{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-56679","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","state":"PUBLISHED","assignerShortName":"GitHub_M","dateReserved":"2026-06-22T16:39:01.044Z","datePublished":"2026-07-15T20:50:30.458Z","dateUpdated":"2026-07-16T13:00:42.944Z"},"containers":{"cna":{"title":"9Router: Mass assignment in PATCH /api/settings allows authenticated authorization downgrade","problemTypes":[{"descriptions":[{"cweId":"CWE-915","lang":"en","description":"CWE-915: Improperly Controlled Modification of Dynamically-Determined Object Attributes","type":"CWE"}]}],"metrics":[{"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"LOW","userInteraction":"NONE","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH","vulnAvailabilityImpact":"LOW","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":8.7,"baseSeverity":"HIGH","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N","version":"4.0"}}],"references":[{"name":"https://github.com/decolua/9router/security/advisories/GHSA-vmjq-hvgq-2wv4","tags":["x_refsource_CONFIRM"],"url":"https://github.com/decolua/9router/security/advisories/GHSA-vmjq-hvgq-2wv4"}],"affected":[{"vendor":"decolua","product":"9router","versions":[{"version":"< 0.5.4","status":"affected"}]}],"providerMetadata":{"orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","shortName":"GitHub_M","dateUpdated":"2026-07-15T20:50:30.458Z"},"descriptions":[{"lang":"en","value":"9Router is an AI router & token saver. Prior to 0.5.4, the PATCH /api/settings endpoint writes the entire request body to persistent settings without a field whitelist, allowing an authenticated user to set security-critical fields such as requireLogin and disable authentication for the whole application, exposing protected routes such as /api/keys and /api/providers to unauthenticated access. This issue is reported as fixed in version 0.5.4."}],"source":{"advisory":"GHSA-vmjq-hvgq-2wv4","discovery":"UNKNOWN"}},"adp":[{"references":[{"url":"https://github.com/decolua/9router/security/advisories/GHSA-vmjq-hvgq-2wv4","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-07-16T13:00:02.844824Z","id":"CVE-2026-56679","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-07-16T13:00:42.944Z"}}]}}