CVE-2026-26379: SSRF
Published Jun 3, 2026
·Updated
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.
Affected Software
2 affected components
Koha Koha<=25.11
Koha Koha<=25.11.00
Event History
Jun 3, 2026
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
Description
Data Sourced
via NVD·07:16 PM
DescriptionSeverityWeaknessAffected Software
Frequently Asked Questions
1
What is the severity of CVE-2026-26379?
The severity of CVE-2026-26379 is classified as medium with a CVSS score of 6.5.
2
How do I fix CVE-2026-26379?
To fix CVE-2026-26379, upgrade the Koha software to the latest version beyond 25.11.
3
What type of vulnerability is CVE-2026-26379?
CVE-2026-26379 is a Server-Side Request Forgery (SSRF) vulnerability.
4
Who can exploit CVE-2026-26379?
Authenticated attackers can exploit CVE-2026-26379 to perform internal network scanning.
5
What potential impact does CVE-2026-26379 have?
CVE-2026-26379 allows attackers to identify running services by analyzing server response times.