{"items":[{"id":"NVI-00015263","kind":"vulnerability","title":"Lemur: Unchecked `replaces[]` lets any user silence notifications and hijack auto-rotation for arbitrary certificates","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-cfh6-pv5c-38jv","CVE-2026-71308"],"plain_summary":"GitHub lists this reviewed advisory for lemur. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-1a92c4e4b2e304dc74f5e03450b00a21"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"CVSS","as_of":"2026-08-18T20:51:33.000Z","value":"8.1 high","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-4c68b04e159d0110462f819b3c5b3b94"},{"kind":"EPSS","as_of":"2026-11-04T12:03:12.000Z","value":"0.317%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.24753. Missing scores are unknown.","source_id":"sr-1a92c4e4b2e304dc74f5e03450b00a21"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-4c68b04e159d0110462f819b3c5b3b94","url":"https://github.com/advisories/GHSA-cfh6-pv5c-38jv","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-cfh6-pv5c-38jv","publisher":"GitHub Advisory Database","observed_at":"2026-11-02T20:14:33.912Z"},{"id":"sr-1a92c4e4b2e304dc74f5e03450b00a21","url":"https://www.first.org/epss/data.html","basis":"official_catalog","notes":"FIRST EPSS; probability of exploitation in the next 30 days, not local compromise. Dataset date/model retained; FIRST services terms apply.","title":"CVE-2026-71308","publisher":"FIRST EPSS","observed_at":"2026-11-04T23:33:33.063Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-4c68b04e159d0110462f819b3c5b3b94"],"technology":"lemur","known_exclusions":[],"conditions_summary":"## Summary\n\nRepo under test: https://github.com/Netflix/lemur\n\nThe certificate create and upload endpoints accept a `replaces[]` (alias `replacements`) array that is resolved to live `Certificate` ORM objects with no ownership or `CertificatePermission` check on the referenced certificates. The SQLAlchemy `Certificate.replaces` append listener then immediately sets `victim.notify = False` and populates `victim.replaced`. From that point the victim certificate is excluded from auto-reissue, its expiration notifications are silenced, and the periodic `certificate_rotate` Celery task deploys the attacker's certificate (`endpoint.certificate.replaced[0]`) onto every endpoint serving the victim certificate.\n\nAny authenticated non-read-only user can therefore silently substitute their own certificate onto production load balancers and Kubernetes secrets they hold no role on, while suppressing the legitimate certificate's lifecycle automation.\n\n## Affected route\n\n`POST /api/1/certificates`\n`POST /api/1/certificates/upload`\n`PUT /api/1/certificates/`\n\n## Affected code\n\n- `lemur/certificates/schemas.py:402`","public_affected_ranges":[">= 0.5.0, <= 1.9.2"]}],"null_published_at":"2026-11-08T19:53:44.006Z","source_updated_at":"2026-08-18T20:51:33.000Z","source_disclosed_at":"2026-08-18T20:51:33.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Dated EPSS estimate updated; this is not a new disclosure or proof of exploitation.","null_first_observed_at":"2026-11-02T20:14:33.912Z"},{"id":"NVI-00015263","kind":"vulnerability","title":"Lemur: Unchecked `replaces[]` lets any user silence notifications and hijack auto-rotation for arbitrary certificates","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-cfh6-pv5c-38jv","CVE-2026-71308"],"plain_summary":"GitHub lists this reviewed advisory for lemur. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-4c68b04e159d0110462f819b3c5b3b94"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"CVSS","as_of":"2026-08-18T20:51:33.000Z","value":"8.1 high","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-4c68b04e159d0110462f819b3c5b3b94"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-4c68b04e159d0110462f819b3c5b3b94","url":"https://github.com/advisories/GHSA-cfh6-pv5c-38jv","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-cfh6-pv5c-38jv","publisher":"GitHub Advisory Database","observed_at":"2026-11-02T20:14:33.912Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-4c68b04e159d0110462f819b3c5b3b94"],"technology":"lemur","known_exclusions":[],"conditions_summary":"## Summary\n\nRepo under test: https://github.com/Netflix/lemur\n\nThe certificate create and upload endpoints accept a `replaces[]` (alias `replacements`) array that is resolved to live `Certificate` ORM objects with no ownership or `CertificatePermission` check on the referenced certificates. The SQLAlchemy `Certificate.replaces` append listener then immediately sets `victim.notify = False` and populates `victim.replaced`. From that point the victim certificate is excluded from auto-reissue, its expiration notifications are silenced, and the periodic `certificate_rotate` Celery task deploys the attacker's certificate (`endpoint.certificate.replaced[0]`) onto every endpoint serving the victim certificate.\n\nAny authenticated non-read-only user can therefore silently substitute their own certificate onto production load balancers and Kubernetes secrets they hold no role on, while suppressing the legitimate certificate's lifecycle automation.\n\n## Affected route\n\n`POST /api/1/certificates`\n`POST /api/1/certificates/upload`\n`PUT /api/1/certificates/`\n\n## Affected code\n\n- `lemur/certificates/schemas.py:402`","public_affected_ranges":[">= 0.5.0, <= 1.9.2"]}],"null_published_at":"2026-11-03T10:03:26.565Z","source_updated_at":"2026-08-18T20:51:33.000Z","source_disclosed_at":"2026-08-18T20:51:33.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"First indexed by Null; source disclosure date is shown separately.","null_first_observed_at":"2026-11-02T20:14:33.912Z"}],"next_cursor":null,"snapshot_revision":"42594"}