Path traversal vulnerability in Apache MINA SSHD bundle sshd-git. Lack of path validation in git-upload-pack, git-receive-pack, and other git operations allows users authenticated over SSH access to git repositories outside the configured git server root directory. Applications are affected if they use org.apache.sshd:sshd-git. Applications not using sshd-git are not affected. Users are advised to upgrade affected applications to Apche MINA SSHD 2.18.0, which fixes the issue. The issue also is present in the pre-release milestones 3.0.0-M1 to 3.0.0-M3 for a new upcoming new major version 3.0.0. Again, applications are affected only if they use sshd-git. Upgrade affected applications to 3.0.0-M4. We would like to point out that a professional git server should not rely solely on file system layout and permissions, but should implement additional security controls to govern access to git repositories and operations allowed on particular git repositories.
Casky was already ahead
This CVE exploits attack patterns that Casky's 331matched 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-2026-48827 is a path traversal vulnerability in Apache MINA SSHD's sshd-git bundle that allows authenticated SSH users to access git repositories outside the configured server root directory. The vulnerability stems from insufficient path validation in git-upload-pack, git-receive-pack, and related git operations, enabling attackers with SSH credentials to enumerate and potentially exfiltrate or modify repositories they shouldn't have access to. This is particularly dangerous in multi-tenant or organization environments where repository isolation is a critical security boundary. Organizations running applications with org.apache.sshd:sshd-git are at immediate risk and should prioritize upgrading to version 2.18.0.
Casky's 331 mapped security skills leverage Claude AI's extended reasoning to detect the attack patterns behind this vulnerability by correlating techniques across MITRE ATT&CK Initial Access (TA0001) and Discovery (TA0007). Practitioners using Casky would observe findings aligned with path traversal tactics: detection of directory traversal sequences in SSH command arguments (../ patterns in git command paths), unauthorized file system access attempts outside intended boundaries, and unexpected repository enumeration activity. The platform's skill mapping helps security teams identify both the exploit attempts themselves and the reconnaissance behavior that precedes them, allowing detection at multiple attack stages rather than solely at the point of vulnerability exploitation.
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-2026-48827.
Casky has 331 skills that investigate the attack patterns behind CVE-2026-48827. Run one and get CVSS-scored findings in 3 minutes.
Run the skill that detects this →analyzing-office365-audit-logs-for-compromise
cloud security · low
analyzing-persistence-mechanisms-in-linux
threat hunting · low
analyzing-powershell-empire-artifacts
threat hunting · low
analyzing-ransomware-network-indicators
threat hunting · low
auditing-aws-s3-bucket-permissions
cloud security · low
auditing-azure-active-directory-configuration
cloud security · low
auditing-cloud-with-cis-benchmarks
cloud security · low
auditing-gcp-iam-permissions
cloud security · low
auditing-kubernetes-cluster-rbac
cloud security · low
auditing-terraform-infrastructure-for-security
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building-c2-infrastructure-with-sliver-framework
red teaming · high
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devsecops · low
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detecting-azure-lateral-movement
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detecting-azure-service-principal-abuse
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detecting-azure-storage-account-misconfigurations
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ot ics security · medium
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threat hunting · low
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threat hunting · low
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threat hunting · low
detecting-kerberoasting-attacks
threat hunting · low
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threat hunting · low
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threat hunting · low
detecting-mimikatz-execution-patterns
threat hunting · low
detecting-misconfigured-azure-storage
cloud security · low
detecting-mobile-malware-behavior
mobile security · low
detecting-modbus-command-injection-attacks
ot ics security · medium
detecting-modbus-protocol-anomalies
ot ics security · medium
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threat hunting · low
detecting-oauth-token-theft
cloud security · low
detecting-pass-the-hash-attacks
threat hunting · low
detecting-privilege-escalation-attempts
threat hunting · low
detecting-process-hollowing-technique
threat hunting · low
detecting-qr-code-phishing-with-email-security
phishing defense · medium
detecting-s3-data-exfiltration-attempts
cloud security · low
detecting-serverless-function-injection
cloud security · low
detecting-service-account-abuse
threat hunting · low
detecting-shadow-api-endpoints
api security · medium
detecting-shadow-it-cloud-usage
cloud security · low
detecting-spearphishing-with-email-gateway
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ot ics security · medium
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cloud security · low
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
executing-active-directory-attack-simulation
penetration testing · medium
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red teaming · high
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red teaming · high
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red teaming · high
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api security · medium
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api security · medium
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red teaming · high
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mobile security · low
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api security · medium
exploiting-http-request-smuggling
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web application security · medium
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mobile security · low
exploiting-insecure-deserialization
web application security · medium
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api security · medium
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red teaming · high
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red teaming · high
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vulnerability management · medium
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threat hunting · low
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threat hunting · low
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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
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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-anti-phishing-training-program
phishing defense · medium
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api security · medium
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api security · medium
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api security · medium
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api security · medium
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api security · medium
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devsecops · low
implementing-attack-path-analysis-with-xm-cyber
vulnerability management · medium
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cloud security · low
implementing-aws-macie-for-data-classification
cloud security · low
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cloud security · low
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cloud security · low
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cloud security · low
implementing-azure-defender-for-cloud
cloud security · low
implementing-cloud-dlp-for-data-protection
cloud security · low
implementing-cloud-security-posture-management
cloud security · low
implementing-cloud-trail-log-analysis
cloud security · low
implementing-cloud-vulnerability-posture-management
vulnerability management · medium
implementing-cloud-waf-rules
cloud security · low
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cloud security · low
implementing-code-signing-for-artifacts
devsecops · low
implementing-conduit-security-for-ot-remote-access
ot ics security · medium
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phishing defense · medium
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ot ics security · medium
implementing-email-sandboxing-with-proofpoint
phishing defense · medium
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vulnerability management · medium
implementing-fuzz-testing-in-cicd-with-aflplusplus
devsecops · low
implementing-gcp-binary-authorization
cloud security · low
implementing-gcp-organization-policy-constraints
cloud security · low
implementing-gcp-vpc-firewall-rules
cloud security · low
implementing-github-advanced-security-for-code-scanning
devsecops · low
implementing-google-workspace-phishing-protection
phishing defense · medium
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ot ics security · medium
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ot ics security · medium
implementing-infrastructure-as-code-security-scanning
devsecops · low
implementing-mimecast-targeted-attack-protection
phishing defense · medium
implementing-mobile-application-management
mobile security · low
implementing-nerc-cip-compliance-controls
ot ics security · medium
implementing-network-segmentation-for-ot
ot ics 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
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devsecops · low
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ot ics security · medium
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vulnerability management · medium
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devsecops · low
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cloud security · low
implementing-secrets-scanning-in-ci-cd
devsecops · low
implementing-semgrep-for-custom-sast-rules
devsecops · low
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vulnerability management · medium
implementing-vulnerability-remediation-sla
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web application security · medium
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cloud security · low
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cloud security · low
integrating-dast-with-owasp-zap-in-pipeline
devsecops · low
integrating-sast-into-github-actions-pipeline
devsecops · low
intercepting-mobile-traffic-with-burpsuite
mobile security · low
managing-cloud-identity-with-okta
cloud security · low
performing-active-directory-bloodhound-analysis
red teaming · high
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performing-cloud-penetration-testing-with-pacu
cloud security · low
performing-container-image-hardening
devsecops · low
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web application security · medium
performing-credential-access-with-lazagne
red teaming · high
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phishing defense · medium
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mobile security · low
performing-external-network-penetration-test
penetration testing · medium
performing-gcp-penetration-testing-with-gcpbucketbrute
cloud security · low
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cloud security · low
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api security · medium
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api security · medium
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web application security · medium
performing-http-parameter-pollution-attack
web application security · medium
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ot ics security · medium
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red teaming · high
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performing-iot-security-assessment
penetration testing · medium
performing-jwt-none-algorithm-attack
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performing-kerberoasting-attack
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red teaming · high
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ot ics security · medium
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devsecops · low
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ot ics security · medium
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web application security · medium
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api security · medium
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penetration testing · medium
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prioritizing-vulnerabilities-with-cvss-scoring
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remediating-s3-bucket-misconfiguration
cloud security · low
reverse-engineering-ios-app-with-frida
mobile security · low
scanning-containers-with-trivy-in-cicd
devsecops · low
scanning-infrastructure-with-nessus
vulnerability management · medium
securing-api-gateway-with-aws-waf
cloud security · low
securing-aws-iam-permissions
cloud security · low
securing-aws-lambda-execution-roles
cloud security · low
securing-azure-with-microsoft-defender
cloud security · low
securing-container-registry-images
cloud security · low
securing-github-actions-workflows
devsecops · low
securing-historian-server-in-ot-environment
ot ics security · medium
securing-kubernetes-on-cloud
cloud security · low
securing-remote-access-to-ot-environment
ot ics security · medium
securing-serverless-functions
cloud security · low
testing-android-intents-for-vulnerabilities
mobile security · low
testing-api-authentication-weaknesses
api security · medium
testing-api-for-broken-object-level-authorization
api security · medium
testing-api-for-mass-assignment-vulnerability
api security · medium
testing-api-security-with-owasp-top-10
web application security · medium
testing-cors-misconfiguration
web application security · medium
testing-for-broken-access-control
web application security · medium
testing-for-business-logic-vulnerabilities
web application security · medium
testing-for-email-header-injection
web application security · medium
testing-for-host-header-injection
web application security · medium
testing-for-json-web-token-vulnerabilities
web application security · medium
testing-for-open-redirect-vulnerabilities
web application security · medium
testing-for-sensitive-data-exposure
web application security · medium
testing-for-xml-injection-vulnerabilities
web application security · medium
testing-for-xss-vulnerabilities
penetration testing · medium
testing-for-xss-vulnerabilities-with-burpsuite
web application security · medium
testing-for-xxe-injection-vulnerabilities
web application security · medium
testing-jwt-token-security
web application security · medium
testing-mobile-api-authentication
mobile security · low
testing-oauth2-implementation-flaws
api security · medium
testing-websocket-api-security
api security · medium
triaging-vulnerabilities-with-ssvc-framework
vulnerability management · medium
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