The Magic Link authentication flow accepts multiple invalid authentication requests without adequate rate limiting or resource control, leading to uncontrolled memory usage growth. This vulnerability can result in a denial-of-service condition, causing service unavailability for deployments that utilize the Magic Link authenticator. The impact is limited to these specific deployments and requires repeated invalid authentication attempts to trigger.
Casky was already ahead
This CVE exploits attack patterns that Casky's 312matched skills already investigate — long before this vulnerability was disclosed. Claude's reasoning model maps these techniques to MITRE ATT&CK, so practitioners who ran these skills have already seen the threat behaviour in their findings.
CVE-2025-10470 is a denial-of-service vulnerability in Magic Link authentication implementations that fail to enforce rate limiting or resource controls on invalid authentication requests. An attacker can flood the authentication endpoint with repeated invalid attempts, causing uncontrolled memory consumption that eventually exhausts system resources and renders the service unavailable. This vulnerability specifically affects deployments using Magic Link authenticators and represents a high-severity risk (CVSS 8.6) because it directly undermines service availability—a critical security pillar for any authentication infrastructure. Organizations relying on Magic Link for user access are particularly vulnerable, as attackers require no special privileges or valid credentials to initiate the attack.
Casky's 312 matching security skills detect this vulnerability by mapping attack patterns to MITRE ATT&CK techniques TA0040 (Impact) and TA0011 (Command and Control), identifying both the resource exhaustion objective and the reconnaissance-like reconnaissance behavior of repeated invalid requests. When Claude AI analyzes authentication logs with extended reasoning, practitioners would observe anomalous patterns: a single IP or distributed sources generating high-frequency invalid authentication attempts that correlate with memory spikes and service degradation. Casky's skills help security teams recognize the hallmark indicators—request volume thresholds exceeded, response latencies increasing, memory utilization climbing without legitimate user activity—enabling rapid detection before full service failure occurs and allowing implementation of emergency rate limiting or request throttling measures.
Composite risk scoring from EPSS, CISA KEV, Shodan, and GreyNoise — 21 security APIs correlated into a single Casky Risk Score. Coming in Casky Pro. Join early access →
These skills use Claude AI's reasoning model to surface findings in the same attack categories as CVE-2025-10470.
Casky has 312 skills that investigate the attack patterns behind CVE-2025-10470. Run one and get CVSS-scored findings in 3 minutes.
Run the skill that detects this →analyzing-campaign-attribution-evidence
threat intelligence · low
analyzing-certificate-transparency-for-phishing
threat intelligence · low
analyzing-cobalt-strike-beacon-configuration
malware analysis · medium
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soc operations · low
analyzing-golang-malware-with-ghidra
malware analysis · medium
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analyzing-linux-audit-logs-for-intrusion
incident response · low
analyzing-linux-elf-malware
malware analysis · medium
analyzing-macro-malware-in-office-documents
malware analysis · medium
analyzing-malicious-pdf-with-peepdf
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threat intelligence · low
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threat intelligence · low
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threat intelligence · low
analyzing-threat-landscape-with-misp
threat intelligence · low
analyzing-typosquatting-domains-with-dnstwist
threat intelligence · low
analyzing-windows-event-logs-in-splunk
soc operations · low
auditing-tls-certificate-transparency-logs
threat intelligence · low
automating-ioc-enrichment
threat intelligence · low
building-adversary-infrastructure-tracking-system
threat intelligence · low
building-attack-pattern-library-from-cti-reports
threat intelligence · low
building-automated-malware-submission-pipeline
soc operations · low
building-c2-infrastructure-with-sliver-framework
red teaming · high
building-detection-rule-with-splunk-spl
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building-detection-rules-with-sigma
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building-incident-response-dashboard
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incident response · low
building-incident-timeline-with-timesketch
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building-ioc-defanging-and-sharing-pipeline
threat intelligence · low
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building-soc-metrics-and-kpi-tracking
soc operations · low
building-soc-playbook-for-ransomware
soc operations · low
building-threat-actor-profile-from-osint
threat intelligence · low
building-threat-feed-aggregation-with-misp
threat intelligence · low
building-threat-hunt-hypothesis-framework
threat hunting · low
building-threat-intelligence-enrichment-in-splunk
soc operations · low
building-threat-intelligence-feed-integration
soc operations · low
building-threat-intelligence-platform
threat intelligence · low
building-vulnerability-scanning-workflow
soc operations · low
collecting-indicators-of-compromise
incident response · low
collecting-open-source-intelligence
threat intelligence · low
collecting-threat-intelligence-with-misp
threat intelligence · low
collecting-volatile-evidence-from-compromised-host
incident response · low
conducting-cloud-incident-response
incident response · low
conducting-domain-persistence-with-dcsync
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red teaming · high
conducting-internal-reconnaissance-with-bloodhound-ce
red teaming · high
conducting-malware-incident-response
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conducting-man-in-the-middle-attack-simulation
network security · medium
conducting-memory-forensics-with-volatility
incident response · low
conducting-pass-the-ticket-attack
red teaming · high
conducting-phishing-incident-response
incident response · low
conducting-post-incident-lessons-learned
incident response · low
conducting-social-engineering-pretext-call
red teaming · high
conducting-spearphishing-simulation-campaign
red teaming · high
configuring-network-segmentation-with-vlans
network security · medium
configuring-pfsense-firewall-rules
network security · medium
configuring-snort-ids-for-intrusion-detection
network security · medium
configuring-suricata-for-network-monitoring
network security · medium
containing-active-breach
incident response · low
correlating-security-events-in-qradar
soc operations · low
correlating-threat-campaigns
threat intelligence · low
deobfuscating-javascript-malware
malware analysis · medium
deobfuscating-powershell-obfuscated-malware
malware analysis · medium
deploying-decoy-files-for-ransomware-detection
ransomware defense · medium
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ransomware defense · medium
detecting-anomalies-in-industrial-control-systems
ot ics security · medium
detecting-arp-poisoning-in-network-traffic
network security · medium
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ot ics security · medium
detecting-attacks-on-scada-systems
ot ics security · medium
detecting-command-and-control-over-dns
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threat hunting · low
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detecting-dnp3-protocol-anomalies
ot ics security · medium
detecting-dns-exfiltration-with-dns-query-analysis
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detecting-email-forwarding-rules-attack
threat hunting · low
detecting-exfiltration-over-dns-with-zeek
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detecting-kerberoasting-attacks
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detecting-lateral-movement-in-network
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threat hunting · low
detecting-lateral-movement-with-zeek
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detecting-malicious-scheduled-tasks-with-sysmon
threat hunting · low
detecting-mimikatz-execution-patterns
threat hunting · low
detecting-modbus-command-injection-attacks
ot ics security · medium
detecting-modbus-protocol-anomalies
ot ics security · medium
detecting-network-anomalies-with-zeek
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detecting-ntlm-relay-with-event-correlation
threat hunting · low
detecting-pass-the-hash-attacks
threat hunting · low
detecting-port-scanning-with-fail2ban
network security · medium
detecting-privilege-escalation-attempts
threat hunting · low
detecting-process-hollowing-technique
threat hunting · low
detecting-process-injection-techniques
malware analysis · medium
detecting-ransomware-encryption-behavior
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detecting-ransomware-precursors-in-network
ransomware defense · medium
detecting-rootkit-activity
malware analysis · medium
detecting-service-account-abuse
threat hunting · low
detecting-stuxnet-style-attacks
ot ics security · medium
detecting-suspicious-powershell-execution
threat hunting · low
detecting-t1003-credential-dumping-with-edr
threat hunting · low
detecting-t1055-process-injection-with-sysmon
threat hunting · low
detecting-t1548-abuse-elevation-control-mechanism
threat hunting · low
detecting-wmi-persistence
threat hunting · low
eradicating-malware-from-infected-systems
incident response · low
evaluating-threat-intelligence-platforms
threat intelligence · low
executing-red-team-engagement-planning
red teaming · high
exploiting-active-directory-certificate-services-esc1
red teaming · high
exploiting-active-directory-with-bloodhound
red teaming · high
exploiting-bgp-hijacking-vulnerabilities
network security · medium
exploiting-constrained-delegation-abuse
red teaming · high
exploiting-ipv6-vulnerabilities
network security · medium
exploiting-kerberoasting-with-impacket
red teaming · high
exploiting-ms17-010-eternalblue-vulnerability
red teaming · high
exploiting-nopac-cve-2021-42278-42287
red teaming · high
exploiting-smb-vulnerabilities-with-metasploit
network security · medium
exploiting-zerologon-vulnerability-cve-2020-1472
red teaming · high
extracting-config-from-agent-tesla-rat
malware analysis · medium
extracting-iocs-from-malware-samples
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generating-threat-intelligence-reports
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hunting-advanced-persistent-threats
threat intelligence · low
hunting-for-anomalous-powershell-execution
threat hunting · low
hunting-for-beaconing-with-frequency-analysis
threat hunting · low
hunting-for-cobalt-strike-beacons
threat hunting · low
hunting-for-command-and-control-beaconing
threat hunting · low
hunting-for-data-exfiltration-indicators
threat hunting · low
hunting-for-data-staging-before-exfiltration
threat hunting · low
hunting-for-dcom-lateral-movement
threat hunting · low
hunting-for-dcsync-attacks
threat hunting · low
hunting-for-defense-evasion-via-timestomping
threat hunting · low
hunting-for-dns-based-persistence
threat hunting · low
hunting-for-dns-tunneling-with-zeek
threat hunting · low
hunting-for-domain-fronting-c2-traffic
threat hunting · low
hunting-for-lateral-movement-via-wmi
threat hunting · low
hunting-for-living-off-the-cloud-techniques
threat hunting · low
hunting-for-living-off-the-land-binaries
threat hunting · low
hunting-for-lolbins-execution-in-endpoint-logs
threat hunting · low
hunting-for-ntlm-relay-attacks
threat hunting · low
hunting-for-persistence-mechanisms-in-windows
threat hunting · low
hunting-for-persistence-via-wmi-subscriptions
threat hunting · low
hunting-for-process-injection-techniques
threat hunting · low
hunting-for-registry-persistence-mechanisms
threat hunting · low
hunting-for-registry-run-key-persistence
threat hunting · low
hunting-for-scheduled-task-persistence
threat hunting · low
hunting-for-shadow-copy-deletion
threat hunting · low
hunting-for-spearphishing-indicators
threat hunting · low
hunting-for-startup-folder-persistence
threat hunting · low
hunting-for-supply-chain-compromise
threat hunting · low
hunting-for-suspicious-scheduled-tasks
threat hunting · low
hunting-for-t1098-account-manipulation
threat hunting · low
hunting-for-unusual-network-connections
threat hunting · low
hunting-for-unusual-service-installations
threat hunting · low
hunting-for-webshell-activity
threat hunting · low
implementing-alert-fatigue-reduction
soc operations · low
implementing-anti-ransomware-group-policy
ransomware defense · medium
implementing-bgp-security-with-rpki
network security · medium
implementing-browser-isolation-for-zero-trust
network security · medium
implementing-conduit-security-for-ot-remote-access
ot ics security · medium
implementing-ddos-mitigation-with-cloudflare
network security · medium
implementing-diamond-model-analysis
threat intelligence · low
implementing-dragos-platform-for-ot-monitoring
ot ics security · medium
implementing-honeypot-for-ransomware-detection
ransomware defense · medium
implementing-ics-firewall-with-tofino
ot ics security · medium
implementing-iec-62443-security-zones
ot ics security · medium
implementing-immutable-backup-with-restic
ransomware defense · medium
implementing-mitre-attack-coverage-mapping
soc operations · low
implementing-nerc-cip-compliance-controls
ot ics security · medium
implementing-network-access-control
network security · medium
implementing-network-access-control-with-cisco-ise
network security · medium
implementing-network-intrusion-prevention-with-suricata
network security · medium
implementing-network-segmentation-for-ot
ot ics security · medium
implementing-network-segmentation-with-firewall-zones
network security · medium
implementing-network-traffic-analysis-with-arkime
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network security · medium
implementing-ot-incident-response-playbook
ot ics security · medium
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ot ics security · medium
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ot ics security · medium
implementing-ransomware-backup-strategy
ransomware defense · medium
implementing-ransomware-kill-switch-detection
ransomware defense · medium
implementing-security-information-sharing-with-stix2
threat intelligence · low
implementing-siem-use-cases-for-detection
soc operations · low
implementing-soar-automation-with-phantom
soc operations · low
implementing-soar-playbook-with-palo-alto-xsoar
soc operations · low
implementing-stix-taxii-feed-integration
threat intelligence · low
implementing-taxii-server-with-opentaxii
threat intelligence · low
implementing-threat-intelligence-lifecycle-management
threat intelligence · low
implementing-threat-modeling-with-mitre-attack
soc operations · low
implementing-ticketing-system-for-incidents
soc operations · low
implementing-velociraptor-for-ir-collection
incident response · low
investigating-insider-threat-indicators
soc operations · low
investigating-phishing-email-incident
soc operations · low
managing-intelligence-lifecycle
threat intelligence · low
mapping-mitre-attack-techniques
threat intelligence · low
monitoring-darkweb-sources
threat intelligence · low
performing-active-directory-bloodhound-analysis
red teaming · high
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incident response · low
performing-ai-driven-osint-correlation
threat intelligence · low
performing-alert-triage-with-elastic-siem
soc operations · low
performing-arp-spoofing-attack-simulation
network security · medium
performing-automated-malware-analysis-with-cape
malware analysis · medium
performing-bandwidth-throttling-attack-simulation
network security · medium
performing-brand-monitoring-for-impersonation
threat intelligence · low
performing-cloud-incident-containment-procedures
incident response · low
performing-credential-access-with-lazagne
red teaming · high
performing-dark-web-monitoring-for-threats
threat intelligence · low
performing-deception-technology-deployment
soc operations · low
performing-disk-forensics-investigation
incident response · low
performing-dns-enumeration-and-zone-transfer
network security · medium
performing-dynamic-analysis-with-any-run
malware analysis · medium
performing-false-positive-reduction-in-siem
soc operations · low
performing-firmware-malware-analysis
malware analysis · medium
performing-ics-asset-discovery-with-claroty
ot ics security · medium
performing-indicator-lifecycle-management
threat intelligence · low
performing-initial-access-with-evilginx3
red teaming · high
performing-insider-threat-investigation
incident response · low
performing-ioc-enrichment-automation
soc operations · low
performing-ip-reputation-analysis-with-shodan
threat intelligence · low
performing-kerberoasting-attack
red teaming · high
performing-lateral-movement-detection
soc operations · low
performing-lateral-movement-with-wmiexec
red teaming · high
performing-log-source-onboarding-in-siem
soc operations · low
performing-malware-hash-enrichment-with-virustotal
threat intelligence · low
performing-malware-ioc-extraction
threat intelligence · low
performing-malware-triage-with-yara
malware analysis · medium
performing-memory-forensics-with-volatility3-plugins
malware analysis · medium
performing-network-traffic-analysis-with-tshark
network security · medium
performing-network-traffic-analysis-with-zeek
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ot ics security · medium
performing-open-source-intelligence-gathering
red teaming · high
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ot ics security · medium
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ot ics security · medium
performing-ot-vulnerability-scanning-safely
ot ics security · medium
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ot ics security · medium
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soc operations · low
performing-ransomware-response
incident response · low
performing-ransomware-tabletop-exercise
ransomware defense · medium
performing-s7comm-protocol-security-analysis
ot ics security · medium
performing-scada-hmi-security-assessment
ot ics security · medium
performing-soc-tabletop-exercise
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performing-ssl-stripping-attack
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performing-threat-hunting-with-elastic-siem
soc operations · low
performing-threat-hunting-with-yara-rules
threat hunting · low
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performing-threat-landscape-assessment-for-sector
threat intelligence · low
performing-user-behavior-analytics
soc operations · low
performing-vlan-hopping-attack
network security · medium
performing-wifi-password-cracking-with-aircrack
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processing-stix-taxii-feeds
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profiling-threat-actor-groups
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recovering-from-ransomware-attack
ransomware defense · medium
reverse-engineering-android-malware-with-jadx
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reverse-engineering-dotnet-malware-with-dnspy
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reverse-engineering-malware-with-ghidra
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reverse-engineering-ransomware-encryption-routine
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reverse-engineering-rust-malware
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scanning-network-with-nmap-advanced
network security · medium
securing-historian-server-in-ot-environment
ot ics security · medium
securing-remote-access-to-ot-environment
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testing-ransomware-recovery-procedures
incident response · low
tracking-threat-actor-infrastructure
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triaging-security-alerts-in-splunk
soc operations · low
triaging-security-incident
incident response · low
triaging-security-incident-with-ir-playbook
incident response · low
validating-backup-integrity-for-recovery
incident response · low
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