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.
Metrics
Affected Vendors & Products
Advisories
No advisories yet.
Fixes
Solution
No solution given by the vendor.
Workaround
No workaround given by the vendor.
References
History
Tue, 25 Aug 2026 02:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| 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. | |
| Title | Adminer before 5.5.0 SSRF via PDO DSN Injection | |
| First Time appeared |
Adminer
Adminer adminer |
|
| Weaknesses | CWE-918 | |
| CPEs | cpe:2.3:a:adminer:adminer:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Adminer
Adminer adminer |
|
| References |
| |
| Metrics |
cvssV3_1
|
Projects
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Status: PUBLISHED
Assigner: VulnCheck
Published:
Updated: 2026-08-25T01:29:58.396Z
Reserved: 2026-03-31T17:58:43.754Z
Link: CVE-2026-34964
No data.
Status : Received
Published: 2026-08-25T02:16:40.553
Modified: 2026-08-25T02:16:40.553
Link: CVE-2026-34964
No data.
OpenCVE Enrichment
Updated: 2026-08-25T03:30:05Z
Weaknesses