Use After Free vulnerability in Apache HTTP Server with mod_ldap in per-directory configuration This issue affects Apache HTTP Server: from 2.4.0 through 2.4.67. Users are recommended to upgrade to version 2.4.68, which fixes the issue.
Casky was already ahead
This CVE exploits attack patterns that Casky's 255matched 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-2026-29167 is a critical use-after-free vulnerability in Apache HTTP Server's mod_ldap module affecting versions 2.4.0 through 2.4.67. This memory safety issue allows attackers to access freed memory regions when LDAP is configured on a per-directory basis, potentially leading to denial of service or arbitrary code execution. Organizations running vulnerable Apache versions with LDAP authentication enabled—particularly those using directory-level LDAP configurations in .htaccess or virtual host directives—face immediate risk. The 9.8 CVSS severity reflects the ease of exploitation and the potential for complete system compromise without requiring authentication or user interaction.
Casky's 255 mapped security skills help practitioners detect exploitation attempts targeting this vulnerability by analyzing attack patterns across MITRE ATT&CK Execution (TA0002) and Persistence (TA0003) techniques. When attackers exploit this use-after-free flaw, Casky's Claude-powered analysis identifies suspicious memory manipulation patterns, abnormal process behavior following HTTP requests to LDAP-authenticated resources, and indicators of code execution attempts. Practitioners reviewing Casky findings would observe detection of CWE-416 exploitation signatures—memory corruption artifacts, unexpected process termination, or shellcode execution traces—correlated with mod_ldap requests. The platform's extended reasoning capabilities map these technical indicators to adversary tactics, enabling security teams to distinguish legitimate Apache behavior from active exploitation attempts and prioritize patching efforts accordingly.
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-2026-29167.
Casky has 255 skills that investigate the attack patterns behind CVE-2026-29167. Run one and get CVSS-scored findings in 3 minutes.
Run the skill that detects this →analyzing-browser-forensics-with-hindsight
digital forensics · low
analyzing-cobalt-strike-beacon-configuration
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correlating-security-events-in-qradar
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detecting-dcsync-attack-in-active-directory
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detecting-dll-sideloading-attacks
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detecting-email-forwarding-rules-attack
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detecting-evasion-techniques-in-endpoint-logs
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detecting-fileless-attacks-on-endpoints
endpoint security · low
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detecting-lateral-movement-with-splunk
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detecting-mimikatz-execution-patterns
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detecting-ntlm-relay-with-event-correlation
threat hunting · low
detecting-pass-the-hash-attacks
threat hunting · low
detecting-privilege-escalation-attempts
threat hunting · low
detecting-privilege-escalation-in-kubernetes-pods
container security · low
detecting-process-hollowing-technique
threat hunting · low
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red teaming · high
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red teaming · high
exploiting-nopac-cve-2021-42278-42287
red teaming · high
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exploiting-zerologon-vulnerability-cve-2020-1472
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extracting-config-from-agent-tesla-rat
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extracting-credentials-from-memory-dump
digital forensics · low
extracting-iocs-from-malware-samples
malware analysis · medium
extracting-windows-event-logs-artifacts
digital forensics · low
hardening-docker-containers-for-production
container security · low
hardening-docker-daemon-configuration
container security · low
hardening-linux-endpoint-with-cis-benchmark
endpoint security · low
hardening-windows-endpoint-with-cis-benchmark
endpoint security · low
hunting-for-anomalous-powershell-execution
threat hunting · low
hunting-for-beaconing-with-frequency-analysis
threat hunting · low
hunting-for-cobalt-strike-beacons
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hunting-for-command-and-control-beaconing
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hunting-for-data-exfiltration-indicators
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hunting-for-data-staging-before-exfiltration
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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
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hunting-for-domain-fronting-c2-traffic
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hunting-for-lateral-movement-via-wmi
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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
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hunting-for-spearphishing-indicators
threat hunting · low
hunting-for-startup-folder-persistence
threat hunting · low
hunting-for-supply-chain-compromise
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hunting-for-suspicious-scheduled-tasks
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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
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implementing-alert-fatigue-reduction
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implementing-container-network-policies-with-calico
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implementing-endpoint-dlp-controls
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implementing-file-integrity-monitoring-with-aide
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implementing-kubernetes-pod-security-standards
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implementing-memory-protection-with-dep-aslr
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implementing-mitre-attack-coverage-mapping
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implementing-opa-gatekeeper-for-policy-enforcement
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implementing-pod-security-admission-controller
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implementing-runtime-security-with-tetragon
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implementing-siem-use-cases-for-detection
soc operations · low
implementing-soar-automation-with-phantom
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implementing-soar-playbook-with-palo-alto-xsoar
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implementing-supply-chain-security-with-in-toto
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implementing-threat-modeling-with-mitre-attack
soc operations · low
implementing-ticketing-system-for-incidents
soc operations · low
implementing-usb-device-control-policy
endpoint security · low
investigating-insider-threat-indicators
soc operations · low
investigating-phishing-email-incident
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investigating-ransomware-attack-artifacts
digital forensics · low
performing-active-directory-bloodhound-analysis
red teaming · high
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performing-container-escape-detection
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performing-container-security-scanning-with-trivy
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performing-credential-access-with-lazagne
red teaming · high
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soc operations · low
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performing-dynamic-analysis-with-any-run
malware analysis · medium
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performing-initial-access-with-evilginx3
red teaming · high
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performing-kerberoasting-attack
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performing-kubernetes-cis-benchmark-with-kube-bench
container security · low
performing-kubernetes-etcd-security-assessment
container security · low
performing-kubernetes-penetration-testing
container security · low
performing-lateral-movement-detection
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performing-lateral-movement-with-wmiexec
red teaming · high
performing-linux-log-forensics-investigation
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performing-malware-persistence-investigation
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performing-malware-triage-with-yara
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performing-memory-forensics-with-volatility3
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performing-memory-forensics-with-volatility3-plugins
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performing-mobile-device-forensics-with-cellebrite
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performing-network-forensics-with-wireshark
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performing-network-packet-capture-analysis
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red teaming · high
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performing-threat-hunting-with-yara-rules
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performing-timeline-reconstruction-with-plaso
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performing-yara-rule-development-for-detection
malware analysis · medium
recovering-deleted-files-with-photorec
digital forensics · low
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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scanning-container-images-with-grype
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container security · low
securing-container-registry-with-harbor
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securing-helm-chart-deployments
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triaging-security-alerts-in-splunk
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