{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-25892","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","state":"PUBLISHED","assignerShortName":"GitHub_M","dateReserved":"2026-02-06T21:08:39.130Z","datePublished":"2026-02-09T21:26:45.224Z","dateUpdated":"2026-02-10T15:57:46.865Z"},"containers":{"cna":{"title":"Adminer has an Unauthenticated Persistent DoS via Array Injection in ?script=version Endpoint","problemTypes":[{"descriptions":[{"cweId":"CWE-20","lang":"en","description":"CWE-20: Improper Input Validation","type":"CWE"}]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"}}],"references":[{"name":"https://github.com/vrana/adminer/security/advisories/GHSA-q4f2-39gr-45jh","tags":["x_refsource_CONFIRM"],"url":"https://github.com/vrana/adminer/security/advisories/GHSA-q4f2-39gr-45jh"},{"name":"https://github.com/vrana/adminer/commit/21d3a3150388677b18647d68aec93b7850e457d3","tags":["x_refsource_MISC"],"url":"https://github.com/vrana/adminer/commit/21d3a3150388677b18647d68aec93b7850e457d3"},{"name":"https://github.com/vrana/adminer/releases/tag/v5.4.2","tags":["x_refsource_MISC"],"url":"https://github.com/vrana/adminer/releases/tag/v5.4.2"}],"affected":[{"vendor":"vrana","product":"adminer","versions":[{"version":">= 4.6.2, < 5.4.2","status":"affected"}]}],"providerMetadata":{"orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","shortName":"GitHub_M","dateUpdated":"2026-02-09T21:26:45.224Z"},"descriptions":[{"lang":"en","value":"Adminer is open-source database management software. Adminer v5.4.1 and earlier has a version check mechanism where adminer.org sends signed version info via JavaScript postMessage, which the browser then POSTs to ?script=version. This endpoint lacks origin validation and accepts POST data from any source. An attacker can POST version[] parameter which PHP converts to an array. On next page load, openssl_verify() receives this array instead of string and throws TypeError, returning HTTP 500 to all users. Upgrade to Adminer 5.4.2."}],"source":{"advisory":"GHSA-q4f2-39gr-45jh","discovery":"UNKNOWN"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-02-10T15:39:30.588522Z","id":"CVE-2026-25892","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-02-10T15:57:46.865Z"}}]}}