CVE-2026-25892

{"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"}}]}}

{"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": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-25892", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-02-10T15:39:30.588522Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-02-10T15:39:31.665Z"}}]}}

{"affected": [{"affectedData": [{"product": "adminer", "vendor": "vrana", "versions": [{"status": "affected", "version": ">= 4.6.2, < 5.4.2"}]}], "source": "security-advisories@github.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:adminer:adminer:*:*:*:*:*:*:*:*", "matchCriteriaId": "0A0A483B-178F-44CC-9EB7-C469C1F8C106", "versionEndExcluding": "5.4.2", "versionStartIncluding": "4.6.2", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "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."}, {"lang": "es", "value": "Adminer es un software de gesti\u00f3n de bases de datos de c\u00f3digo abierto. Adminer v5.4.1 y anteriores tiene un mecanismo de verificaci\u00f3n de versi\u00f3n donde adminer.org env\u00eda informaci\u00f3n de versi\u00f3n firmada a trav\u00e9s de JavaScript postMessage, que el navegador luego env\u00eda por POST a ?script=version. Este endpoint carece de validaci\u00f3n de origen y acepta datos POST de cualquier fuente. Un atacante puede enviar por POST el par\u00e1metro version[] que PHP convierte en un array. En la siguiente carga de p\u00e1gina, openssl_verify() recibe este array en lugar de una cadena y lanza TypeError, devolviendo HTTP 500 a todos los usuarios. Actualice a Adminer 5.4.2."}], "id": "CVE-2026-25892", "lastModified": "2026-06-17T10:25:23.490", "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"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-25892", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-02-10T15:39:30.588522Z", "version": "2.0.3"}}]}, "published": "2026-02-09T22:16:04.023", "references": [{"source": "security-advisories@github.com", "tags": ["Patch"], "url": "https://github.com/vrana/adminer/commit/21d3a3150388677b18647d68aec93b7850e457d3"}, {"source": "security-advisories@github.com", "tags": ["Product", "Release Notes"], "url": "https://github.com/vrana/adminer/releases/tag/v5.4.2"}, {"source": "security-advisories@github.com", "tags": ["Exploit", "Vendor Advisory"], "url": "https://github.com/vrana/adminer/security/advisories/GHSA-q4f2-39gr-45jh"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-20"}], "source": "security-advisories@github.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[4.6.2,5.4.2)"}}], "product": "adminer", "vendor": "vrana"}], "created": "2026-02-10T11:35:01.890607+00:00", "updated": "2026-06-18T11:15:03.266481+00:00", "vendors": ["vrana", "vrana$PRODUCT$adminer"]}