{"id":"CVE-2026-34964","state":"PUBLISHED","title":"Adminer before 5.5.0 SSRF via PDO DSN Injection","description":"Adminer before 5.5.0 contains a server-side request forgery vulnerability in the login form's server field validator, which only inspects leading integers for privileged ports and fails to reject non-numeric port values. Attackers can inject PDO DSN keys like host= and port= into the server parameter to bypass the privileged-port restriction and establish TCP connections to arbitrary internal hosts and ports before authentication.","publishedAt":"2026-08-25T01:29:58.396Z","updatedAt":"2026-08-26T16:13:06.384Z","severity":{"score":6.9,"label":"Medium","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N","source":"VulnCheck"},"assigner":"VulnCheck","products":["vrana adminer"],"affected":[{"vendor":"vrana","product":"adminer","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"5.5.0","versionType":"semver"},{"version":"5.5.0","status":"unaffected","versionType":"semver"}]}],"references":["https://github.com/vrana/adminer/security/advisories/GHSA-58cq-mgw2-38m5","https://www.vulncheck.com/advisories/adminer-before-ssrf-via-pdo-dsn-injection"],"weaknesses":["CWE-918"],"ingestedAt":"2026-10-29T20:11:40.391Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/34xxx/CVE-2026-34964.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-34964","state":"PUBLISHED","datePublished":"2026-08-25T01:29:58.396Z","dateUpdated":"2026-08-26T16:13:06.384Z","assignerShortName":"VulnCheck","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateReserved":"2026-03-31T17:58:43.754Z"},"containers":{"cna":{"title":"Adminer before 5.5.0 SSRF via PDO DSN Injection","descriptions":[{"lang":"en","value":"Adminer before 5.5.0 contains a server-side request forgery vulnerability in the login form's server field validator, which only inspects leading integers for privileged ports and fails to reject non-numeric port values. Attackers can inject PDO DSN keys like host= and port= into the server parameter to bypass the privileged-port restriction and establish TCP connections to arbitrary internal hosts and ports before authentication."}],"affected":[{"vendor":"vrana","product":"adminer","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"5.5.0","versionType":"semver"},{"version":"5.5.0","status":"unaffected","versionType":"semver"}]}],"references":[{"url":"https://github.com/vrana/adminer/security/advisories/GHSA-58cq-mgw2-38m5","tags":["vendor-advisory"],"name":"GitHub Security Advisory (GHSA-58cq-mgw2-38m5)"},{"url":"https://www.vulncheck.com/advisories/adminer-before-ssrf-via-pdo-dsn-injection","name":"VulnCheck Advisory: Adminer before 5.5.0 SSRF via PDO DSN Injection","tags":["third-party-advisory"]}],"metrics":[{"format":"CVSS","cvssV4_0":{"version":"4.0","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N","attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"LOW","vulnIntegrityImpact":"NONE","vulnAvailabilityImpact":"NONE","subConfidentialityImpact":"LOW","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":6.9,"baseSeverity":"MEDIUM"}},{"format":"CVSS","cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"CHANGED","confidentialityImpact":"LOW","integrityImpact":"NONE","availabilityImpact":"NONE","baseScore":5.8,"baseSeverity":"MEDIUM"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-918","lang":"en","description":"Server-Side Request Forgery (SSRF)","type":"CWE"}]}],"providerMetadata":{"shortName":"VulnCheck","orgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateUpdated":"2026-08-25T01:29:58.396Z"},"datePublic":"2026-07-17T00:00:00.000Z","cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:adminer:adminer:*:*:*:*:*:*:*:*","versionEndExcluding":"5.5.0"}]}]}],"credits":[{"lang":"en","value":"Infinit3i","type":"reporter"}],"x_generator":{"engine":"vulncheck-endgame"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-08-26T15:58:27.282749Z","id":"CVE-2026-34964","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-08-26T16:13:06.384Z"}}]}}}