{"id":"CVE-2026-52777","state":"PUBLISHED","title":"YesWiki: Authenticated PHP Object Injection in BazarImportAction via unserialize","description":"YesWiki is a wiki system written in PHP. Prior to version 4.6.6, there is an authenticated PHP object injection vulnerability in BazarImportAction via unserialize. This issue has been patched in version 4.6.6.","publishedAt":"2026-09-04T23:51:46.992Z","updatedAt":"2026-09-08T18:43:27.485Z","severity":{"score":9.4,"label":"Critical","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H","source":"GitHub_M"},"assigner":"GitHub_M","products":["YesWiki yeswiki"],"affected":[{"vendor":"YesWiki","product":"yeswiki","versions":[{"version":"< 4.6.6","status":"affected"}]}],"references":["https://github.com/YesWiki/yeswiki/security/advisories/GHSA-9369-69wj-7m2f","https://github.com/YesWiki/yeswiki/commit/8f70a8d6b8befa0e644d03c785701dbbc55b8fd0","https://github.com/YesWiki/yeswiki/releases/tag/v4.6.6"],"weaknesses":["CWE-352","CWE-502"],"ingestedAt":"2026-10-29T20:12:16.098Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/52xxx/CVE-2026-52777.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-52777","state":"PUBLISHED","datePublished":"2026-09-04T23:51:46.992Z","dateUpdated":"2026-09-08T18:43:27.485Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-06-08T17:13:43.065Z"},"containers":{"cna":{"title":"YesWiki: Authenticated PHP Object Injection in BazarImportAction via unserialize","descriptions":[{"lang":"en","value":"YesWiki is a wiki system written in PHP. Prior to version 4.6.6, there is an authenticated PHP object injection vulnerability in BazarImportAction via unserialize. This issue has been patched in version 4.6.6."}],"affected":[{"vendor":"YesWiki","product":"yeswiki","versions":[{"version":"< 4.6.6","status":"affected"}]}],"references":[{"url":"https://github.com/YesWiki/yeswiki/security/advisories/GHSA-9369-69wj-7m2f","name":"https://github.com/YesWiki/yeswiki/security/advisories/GHSA-9369-69wj-7m2f","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/YesWiki/yeswiki/commit/8f70a8d6b8befa0e644d03c785701dbbc55b8fd0","name":"https://github.com/YesWiki/yeswiki/commit/8f70a8d6b8befa0e644d03c785701dbbc55b8fd0","tags":["x_refsource_MISC"]},{"url":"https://github.com/YesWiki/yeswiki/releases/tag/v4.6.6","name":"https://github.com/YesWiki/yeswiki/releases/tag/v4.6.6","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"ACTIVE","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH","vulnAvailabilityImpact":"HIGH","subConfidentialityImpact":"HIGH","subIntegrityImpact":"HIGH","subAvailabilityImpact":"HIGH","baseScore":9.4,"baseSeverity":"CRITICAL","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H","version":"4.0"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-352","lang":"en","description":"CWE-352: Cross-Site Request Forgery (CSRF)","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-502","lang":"en","description":"CWE-502: Deserialization of Untrusted Data","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-09-04T23:51:46.992Z"},"source":{"advisory":"GHSA-9369-69wj-7m2f","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-09-08T18:10:44.676857Z","id":"CVE-2026-52777","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-09-08T18:43:27.485Z"}}]}}}