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CVE-2026-34964: adminer 0 to before 5.5.0
CVE-2026-34964. CVSS 3.1 base score 5.8 (MEDIUM, Vendor/CNA). EPSS 0.00434 (percentile 0.35816), scored 11-Oct-2026.
Affected technology
adminer · 0 to before 5.5.0
vrana
Description’s affected range: before 5.5.0
Component: Not specified by the source
Attack conditions (Vendor/CNA, CVSS 4.0): Network (remote) · No privileges required · No user interaction required
What an attacker can do
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. Vendor/CNA’s CVSS 4.0 assessment (base score 6.9/10) rates confidentiality impact as low; integrity and availability impact as none.
- CWE
- CWE-918
- CCR priority
- 23.3 /100 (P4)
- CVSS 3.1
- 5.8 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N · Vendor/CNA
- EPSS
- 0.00434 · percentile 0.35816 · 2026-10-11
- KEV
- no
Provenance
- NVD CVE API 2.0 · Source record · observed 2026-10-12 16:54:24.294989+00:00 UTC
Stable permalink: https://cybercodered.org/item/cve-cve-2026-34964.html