NVD Vulnerability Detail
Search Exploit, PoC
CVE-2026-26379
Summary

Koha versions up to 25.11 contain a Server-Side Request Forgery (SSRF) vulnerability via the Z39.50/SRU server configuration. This allows authenticated attackers to perform internal network scanning and identify running services by analyzing server response times.

Publication Date June 4, 2026, 4:16 a.m.
Registration Date June 5, 2026, 4:10 a.m.
Last Update June 5, 2026, 3:54 a.m.
CVSS3.1 : MEDIUM
スコア 6.5
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
攻撃元区分(AV) ネットワーク
攻撃条件の複雑さ(AC)
攻撃に必要な特権レベル(PR) 不要
利用者の関与(UI) 不要
影響の想定範囲(S) 変更なし
機密性への影響(C)
完全性への影響(I)
可用性への影響(A) なし
Affected software configurations
Configuration1 or higher or less more than less than
cpe:2.3:a:koha:koha:*:*:*:*:*:*:*:* 25.11.00
Related information, measures and tools
Common Vulnerabilities List