CVE-2026-71308
- Source
- https://cve.org/CVERecord?id=CVE-2026-71308
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-71308.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2026-71308
- Aliases
- Published
- 2026-08-18T19:00:40Z
- Modified
- 2026-10-28T02:30:43Z
- Severity
-
- 8.1 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H CVSS Calculator
- Summary
- Lemur: Unchecked `replaces[]` lets any user silence notifications and hijack auto-rotation for arbitrary certificates
- Details
-
Lemur manages TLS certificate creation. From 0.5.0 until 1.9.3, certificate create, upload, and edit requests accepted replaces[] or replacements identifiers that AssociatedCertificateSchema resolved with fetch_objects without a CertificatePermission check. Assigning those objects to Certificate.replaces invoked an append listener that disabled the victim certificate notifications and marked it as replaced. The victim was then excluded from get_all_pending_reissue, and certificate_rotate could deploy the attacker certificate to endpoints serving the victim. An authenticated non-read-only user could target certificates for which the user had no ownership or role, suppress lifecycle automation, and cause fleet-wide TLS disruption or unauthorized substitution. The fix authorizes every referenced replacement certificate before mutation. This issue is fixed in version 1.9.3.
- Database specific
{ "cna_assigner": "GitHub_M", "cwe_ids": [ "CWE-639", "CWE-862" ], "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/71xxx/CVE-2026-71308.json" }- References
-
- https://github.com/Netflix/lemur/releases/tag/v1.9.3
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/71xxx/CVE-2026-71308.json
- https://github.com/Netflix/lemur/security/advisories/GHSA-cfh6-pv5c-38jv
- https://nvd.nist.gov/vuln/detail/CVE-2026-71308
- https://github.com/Netflix/lemur/commit/286874535160952143b0afe2d356642669f9d4c6
Affected packages
Git / github.com/netflix/lemur
Affected ranges
- Type
- GIT
- Repo
- https://github.com/netflix/lemur
- Events
- Database specific
-
Show details
{ "extracted_events": [ { "range": [ { "introduced": "0.5.0" }, { "fixed": "1.9.3" } ], "source": "AFFECTED_FIELD", "strategy": "StringRangeExpression" }, { "range": [ { "fixed": "286874535160952143b0afe2d356642669f9d4c6" } ], "source": "REFERENCES_COMMIT" }, { "original_tag": "v1.9.3", "range": [ { "fixed": "726506d15a6da8d9bcf5c39b4dc0c95535cf03c0" } ], "source": "REFERENCES_TAG" } ] }