{"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": "2026-02-09T21:26:45.224Z"}, "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"}}}}

{}

{"cveTags": [], "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."}], "id": "CVE-2026-25892", "lastModified": "2026-02-09T22:16:04.023", "metrics": {"cvssMetricV31": [{"cvssData": {"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"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-02-09T22:16:04.023", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/vrana/adminer/commit/21d3a3150388677b18647d68aec93b7850e457d3"}, {"source": "security-advisories@github.com", "url": "https://github.com/vrana/adminer/releases/tag/v5.4.2"}, {"source": "security-advisories@github.com", "url": "https://github.com/vrana/adminer/security/advisories/GHSA-q4f2-39gr-45jh"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-20"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}

{}