[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fMrAftMGrV7k2kcqnLiiXv1mYvILEqW3RvlGwESEWzeI":3},{"lesson":4},{"id":5,"slug":6,"article_id":7,"title":8,"body":9,"prevention":10,"framework_refs":11,"framework_notes":23,"status":24,"created_at":25,"published_at":26,"article":27,"tags":31,"podcasts":50,"controls":51},"c0ab28c8-5e41-48d7-96e5-94dc1257799a","docker-hub-flaw-allowed-cross-user-image-manipulation-for-over-two-years","7f458294-5a27-412c-aa0e-a06fce8176ef","Docker Hub Flaw Allowed Cross-User Image Manipulation for Over Two Years","A critical authentication or authorization flaw in Docker Hub permitted one authenticated user to push, pull, or delete container images belonging to another user, earning a CVSS score of 9.4. The vulnerability went undetected and unpatched for more than two years, representing a significant window of exposure in a widely trusted software supply chain platform. Had the flaw been exploited, adversaries could have silently injected malicious code into legitimate container images, potentially compromising thousands of downstream deployments. This incident highlights the danger of privilege boundary failures in shared, multi-tenant platforms where trust in publisher identity is foundational to security.","**Immediate actions:**\n- Audit all recently pulled Docker Hub images against their expected SHA256 digest to verify integrity and detect any unauthorized modifications.\n- Update Docker Hub integrations, credentials, and CI\u002FCD pipeline configurations to ensure you are operating against the latest patched platform version.\n- Review access logs for anomalous push\u002Fpull\u002Fdelete activity on your organization's repositories for the past two years.\n\n**Supply chain hardening:**\n- Enforce image digest pinning (rather than mutable tags) in all Dockerfiles and deployment manifests to detect tampering.\n- Implement a private, internal container registry as a trusted mirror to reduce reliance on public hub availability and integrity.\n- Integrate container image signing using tools such as Sigstore\u002FCosign or Docker Content Trust to cryptographically verify publisher identity.\n\n**Detection & monitoring:**\n- Enable and centralize audit logging for all container registry operations, alerting on unexpected image mutations or deletions.\n- Deploy software composition analysis (SCA) and container scanning tools in CI\u002FCD pipelines to flag newly introduced vulnerabilities or suspicious layers in pulled images.\n- Establish a process to subscribe to CVE feeds and vendor security advisories for all critical SaaS and platform dependencies.",[12,13,14,15,16,17,18,19,20,21,22],"CIS Control 2: Inventory and Control of Software Assets","CIS Control 7: Continuous Vulnerability Management","CIS Control 16: Application Software Security","NIST SP 800-53 AC-3: Access Enforcement","NIST SP 800-53 AC-6: Least Privilege","NIST SP 800-53 SA-10: Developer Configuration Management","NIST SP 800-161: Supply Chain Risk Management","NIST SSDF PW.4: Reuse Existing, Well-Secured Software","SLSA Supply Chain Levels for Software Artifacts (Level 3+)","GDPR Article 32: Security of Processing (if EU user data involved in affected images)","ITIL Change Management: Emergency Change procedures for critical vendor patches",{},"published","2026-10-13T20:21:33.744904+00:00","2026-10-13T20:21:33.66+00:00",{"id":7,"url":28,"slug":29,"title":30},"https:\u002F\u002Fthehackernews.com\u002F2026\u002F10\u002Fdocker-fixes-critical-two-year-old-hub.html","docker-fixes-critical-two-year-old-hub-flaw-that-let-one-user-push-images-as-ano-f459c5","Docker Fixes Critical Two-Year-Old Hub Flaw That Let One User Push Images as Another",[32,38,44],{"id":33,"name":34,"slug":35,"description":36,"color":37},"1ec88fde-2d0f-4ed8-932a-33f5ccc0fdc7","Access Control","access-control","Excessive privileges, missing MFA, weak auth","#f97316",{"id":39,"name":40,"slug":41,"description":42,"color":43},"af7fce9e-1ce8-4156-93bc-09dcfbfdf29d","Patch Management","patch-management","Unpatched vulnerabilities, delayed updates","#ef4444",{"id":45,"name":46,"slug":47,"description":48,"color":49},"f0c2a0af-58aa-4128-87c9-6acd30f2dc48","Supply Chain","supply-chain","Third-party risk, compromised dependencies","#8b5cf6",[],[52,56,60],{"slug":53,"name":54,"problem":55},"phishing-resistant-mfa","Phishing-resistant MFA","A stolen password, or a user who taps Approve on a push prompt, is no longer enough to log in.",{"slug":57,"name":58,"problem":59},"identity-threat-detection","Identity threat detection and response (ITDR)","Attackers who log in with real, stolen credentials get noticed.",{"slug":61,"name":62,"problem":63},"secrets-management","Secrets management","API keys, tokens and passwords stop leaking from code, chat and configuration files."]