{"items":[{"id":"NVI-00010656","kind":"vulnerability","title":"Duplicate Advisory: Authlib: empty signatures validation in JWS JSON deserialization","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"withdrawn","identifiers":["GHSA-6m87-8wg6-hh8w"],"plain_summary":"GitHub lists this reviewed advisory for authlib. 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-8ce76e3d2ed4371db6f40155e2876450"],"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":"2026-10-27T14:50:09.000Z","value":"9.8 critical","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-8ce76e3d2ed4371db6f40155e2876450"}],"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-8ce76e3d2ed4371db6f40155e2876450","url":"https://github.com/advisories/GHSA-6m87-8wg6-hh8w","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-6m87-8wg6-hh8w","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T22:06:46.371Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-8ce76e3d2ed4371db6f40155e2876450"],"technology":"authlib","known_exclusions":[],"conditions_summary":"## Duplicate Advisory\n\nThis advisory has been withdrawn because it is a duplicate of GHSA-6v38-4h7w-rj9h. This link is maintained to preserve external references.\n\n## Original Description\nAuthlib (v1.7.2 and below) contains a signature verification bypass vulnerability. The JsonWebSignature.deserialize_json() method accepts a JSON Serialization JWS object and returns the payload as successfully verified without checking for a signature and without requiring a cryptographic key.","public_affected_ranges":["< 1.9.0"]}],"null_published_at":"2026-10-31T22:27:09.627Z","source_updated_at":"2026-10-27T14:50:09.000Z","source_disclosed_at":"2026-09-28T21:31:18.000Z","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":"2026-10-31T22:06:46.371Z"}],"next_cursor":null,"snapshot_revision":"42594"}