{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-116825","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","state":"PUBLISHED","assignerShortName":"VulnCheck","dateReserved":"2026-10-26T22:14:57.233Z","datePublished":"2026-10-26T23:05:50.597Z","dateUpdated":"2026-10-26T23:05:50.597Z"},"containers":{"cna":{"providerMetadata":{"orgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","shortName":"VulnCheck","dateUpdated":"2026-10-26T23:05:50.597Z"},"datePublic":"2026-10-12T00:00:00.000Z","title":"YesWiki from 4.6.2 before 4.7.0 HTTP Signature Replay via ActivityPub Inbox","descriptions":[{"lang":"en","value":"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."}],"problemTypes":[{"descriptions":[{"lang":"en","description":"Authentication Bypass by Capture-replay","cweId":"CWE-294","type":"CWE"}]}],"affected":[{"vendor":"YesWiki","product":"yeswiki","defaultStatus":"unaffected","versions":[{"version":"4.6.2","status":"affected","versionType":"semver","lessThan":"4.7.0"},{"version":"4.7.0","status":"unaffected","versionType":"semver"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:yeswiki:yeswiki:*:*:*:*:*:*:*:*","versionStartIncluding":"4.6.2","versionEndExcluding":"4.7.0"}]}]}],"metrics":[{"format":"CVSS","cvssV4_0":{"version":"4.0","vectorString":"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","attackVector":"NETWORK","attackComplexity":"HIGH","attackRequirements":"PRESENT","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"HIGH","vulnAvailabilityImpact":"LOW","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":8.3,"baseSeverity":"HIGH"}},{"format":"CVSS","cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:L","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"HIGH","availabilityImpact":"LOW","baseScore":6.5,"baseSeverity":"MEDIUM"}}],"references":[{"url":"https://github.com/YesWiki/yeswiki/security/advisories/GHSA-7m9j-h553-397x","tags":["vendor-advisory"],"name":"GitHub Security Advisory (GHSA-7m9j-h553-397x)"},{"name":"VulnCheck Advisory: YesWiki from 4.6.2 before 4.7.0 HTTP Signature Replay via ActivityPub Inbox","tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/yeswiki-from-4.6.2-before-4.7.0-http-signature-replay-via-activitypub-inbox"}],"credits":[{"lang":"en","value":"manus-pi","type":"reporter"},{"lang":"en","value":"manus-use","type":"reporter"}],"x_generator":{"engine":"vulncheck-endgame"}}}}