{"id":"CVE-2026-116825","revision":"0e327bfb4ef84794b539b72cb26cd359","records":[{"revision":"0e327bfb4ef84794b539b72cb26cd359","observedAt":"2026-10-27T02:23:01.617+00:00","statement":{"source":"cve-program","id":"CVE-2026-116825","aliases":[],"title":"YesWiki from 4.6.2 before 4.7.0 HTTP Signature Replay via ActivityPub Inbox","description":"YesWiki from 4.6.2 before 4.7.0 lacks replay protection in HttpSignatureService::verifySignature(), which never validates the Date header or tracks seen signatures. Attackers who capture a signed request to the /api/forms/{formId}/actor/inbox endpoint can replay it later to re-execute Delete, Update, Follow, or Undo actions.","state":0,"publishedAt":"2026-10-26T23:05:50.597+00:00","modifiedAt":"2026-10-26T23:05:50.597+00:00","affected":[{"ecosystem":"Vendor product","name":"yeswiki","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"YesWiki\",\n                    \"product\": \"yeswiki\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"versions\": [\n                        {\n                            \"version\": \"4.6.2\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\",\n                            \"lessThan\": \"4.7.0\"\n                        },\n                        {\n                            \"version\": \"4.7.0\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:H/VA:L/SC:N/SI:N/SA:N","score":8.3,"severity":"HIGH"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:L","score":6.5,"severity":"MEDIUM"}],"references":["https://github.com/YesWiki/yeswiki/security/advisories/GHSA-7m9j-h553-397x","https://www.vulncheck.com/advisories/yeswiki-from-4.6.2-before-4.7.0-http-signature-replay-via-activitypub-inbox"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-116825","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-116825","identifiers":["CVE-2026-116825"]},"retained":false,"historicalAffected":[]}],"coverage":[]}