{"id":"CVE-2026-46714","state":"PUBLISHED","title":"Misskey: Denial of Service via Uncontrolled Recursion in Theme Compilation","description":"Misskey is an open source, federated social media platform. IVersions 8.63.0 and later, but prior to 2026.5.4, contain a vulnerability that can cause the Misskey web client to slow down or crash when it applies a malformed theme. This issue has been fixed in version 2026.5.4.","publishedAt":"2026-08-03T21:58:36.825Z","updatedAt":"2026-08-05T14:27:42.341Z","severity":{"score":5.1,"label":"Medium","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:N/SI:N/SA:L","source":"GitHub_M"},"assigner":"GitHub_M","products":["misskey-dev misskey"],"affected":[{"vendor":"misskey-dev","product":"misskey","versions":[{"version":">= 8.63.0, < 2026.5.4","status":"affected"}]}],"references":["https://github.com/misskey-dev/misskey/security/advisories/GHSA-wmhf-m93m-rgmj","https://github.com/misskey-dev/misskey/releases/tag/2026.5.4"],"weaknesses":["CWE-674"],"ingestedAt":"2026-10-29T20:12:07.131Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/46xxx/CVE-2026-46714.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-46714","state":"PUBLISHED","datePublished":"2026-08-03T21:58:36.825Z","dateUpdated":"2026-08-05T14:27:42.341Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-05-15T23:26:58.309Z"},"containers":{"cna":{"title":"Misskey: Denial of Service via Uncontrolled Recursion in Theme Compilation","descriptions":[{"lang":"en","value":"Misskey is an open source, federated social media platform. IVersions 8.63.0 and later, but prior to 2026.5.4, contain a vulnerability that can cause the Misskey web client to slow down or crash when it applies a malformed theme. This issue has been fixed in version 2026.5.4."}],"affected":[{"vendor":"misskey-dev","product":"misskey","versions":[{"version":">= 8.63.0, < 2026.5.4","status":"affected"}]}],"references":[{"url":"https://github.com/misskey-dev/misskey/security/advisories/GHSA-wmhf-m93m-rgmj","name":"https://github.com/misskey-dev/misskey/security/advisories/GHSA-wmhf-m93m-rgmj","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/misskey-dev/misskey/releases/tag/2026.5.4","name":"https://github.com/misskey-dev/misskey/releases/tag/2026.5.4","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"ACTIVE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","vulnAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"LOW","baseScore":5.1,"baseSeverity":"MEDIUM","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:N/SI:N/SA:L","version":"4.0"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-674","lang":"en","description":"CWE-674: Uncontrolled Recursion","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-08-03T21:58:36.825Z"},"source":{"advisory":"GHSA-wmhf-m93m-rgmj","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-08-05T14:27:31.131192Z","id":"CVE-2026-46714","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-08-05T14:27:42.341Z"}}]}}}