{"items":[{"id":"NVI-00006602","kind":"vulnerability","title":"Duplicate Advisory: Grav: Non constant time nonce comparison in Utils::verifyNonce() used for CSRF protection","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"withdrawn","identifiers":["GHSA-px9v-979x-qmh9"],"plain_summary":"GitHub lists this reviewed advisory for getgrav/grav. 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-bb58346c6a9a43646de70a5429da41db"],"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":"2026-09-17T20:24:50.000Z","value":"3.7 medium","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-065ca1d7f2f191efdabca3a1ab58840e"}],"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-065ca1d7f2f191efdabca3a1ab58840e","url":"https://github.com/advisories/GHSA-px9v-979x-qmh9","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-px9v-979x-qmh9","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T14:29:49.409Z"},{"id":"sr-bb58346c6a9a43646de70a5429da41db","url":"https://github.com/advisories/GHSA-px9v-979x-qmh9","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-px9v-979x-qmh9","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:30.996Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-065ca1d7f2f191efdabca3a1ab58840e"],"technology":"getgrav/grav","known_exclusions":[],"conditions_summary":"### Duplicate Advisory\nThis advisory has been withdrawn because it is a duplicate of GHSA-38p6-h87p-r4cg. This link is maintained to preserve external references.\n\n### Original Description\nGrav CMS before 2.0.16 contains a timing vulnerability in Utils::verifyNonce() that uses non-constant-time string comparison with the === operator instead of hash_equals() for CSRF nonce validation. Attackers can measure response timing differences to recover valid nonce values byte-by-byte through multiple requests, weakening CSRF protection below its intended security margin.","public_affected_ranges":["< 2.0.16"]},{"certainty":"source_listed","source_ids":["sr-bb58346c6a9a43646de70a5429da41db"],"technology":"getgrav/grav","known_exclusions":[],"conditions_summary":"### Duplicate Advisory\nThis advisory has been withdrawn because it is a duplicate of GHSA-38p6-h87p-r4cg. This link is maintained to preserve external references.\n\n### Original Description\nGrav CMS before 2.0.16 contains a timing vulnerability in Utils::verifyNonce() that uses non-constant-time string comparison with the === operator instead of hash_equals() for CSRF nonce validation. Attackers can measure response timing differences to recover valid nonce values byte-by-byte through multiple requests, weakening CSRF protection below its intended security margin.","public_affected_ranges":["ECOSYSTEM: introduced 0"]}],"null_published_at":"2026-11-02T10:00:37.152Z","source_updated_at":"2026-09-17T20:24:50.000Z","source_disclosed_at":"2026-08-25T03:32:09.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-10-31T21:42:30.996Z"},{"id":"NVI-00006602","kind":"vulnerability","title":"Duplicate Advisory: Grav: Non constant time nonce comparison in Utils::verifyNonce() used for CSRF protection","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"withdrawn","identifiers":["GHSA-px9v-979x-qmh9"],"plain_summary":"OSV carries this publisher advisory for getgrav/grav. This is an aggregated source copy; consult the original publisher and compare update dates.","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-bb58346c6a9a43646de70a5429da41db"],"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":[],"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-bb58346c6a9a43646de70a5429da41db","url":"https://github.com/advisories/GHSA-px9v-979x-qmh9","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-px9v-979x-qmh9","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:30.996Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-bb58346c6a9a43646de70a5429da41db"],"technology":"getgrav/grav","known_exclusions":[],"conditions_summary":"### Duplicate Advisory\nThis advisory has been withdrawn because it is a duplicate of GHSA-38p6-h87p-r4cg. This link is maintained to preserve external references.\n\n### Original Description\nGrav CMS before 2.0.16 contains a timing vulnerability in Utils::verifyNonce() that uses non-constant-time string comparison with the === operator instead of hash_equals() for CSRF nonce validation. Attackers can measure response timing differences to recover valid nonce values byte-by-byte through multiple requests, weakening CSRF protection below its intended security margin.","public_affected_ranges":["ECOSYSTEM: introduced 0"]}],"null_published_at":"2026-10-31T22:13:10.064Z","source_updated_at":"2026-09-17T20:45:05.076Z","source_disclosed_at":"2026-08-25T03:32:09.000Z","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":"2026-10-31T21:42:30.996Z"}],"next_cursor":null,"snapshot_revision":"42594"}