Code Injection in Koha Library Software - CVE-2026-19780
Published: September 9, 2026
Vulnerability identifier: #VU148482
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-19780
CWE-ID: CWE-94
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to improper input validation within the web service. A remote user can execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Affected software
Koha Library Software
How to mitigate CVE-2026-19780
Install updates from vendor's website.
Koha Library Software - addressed in versions 24.11.18, 25.05.13, 25.11.07, 26.05.02, 26.11.00