CVE-2026-105106 Koha - Command Injection

Koha contains a command injection caused by improper validation of the jobid parameter in Task Scheduler deletion path, letting authenticated staff users with schedule_tasks permission execute arbitrary OS commands, exploit requires authenticated staff user privileges.

CVSS base score 8.8 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
1.61% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Command Injection
Impact
Remote Code Execution
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published
14 October 2026
Updated
15 October 2026
Weakness
CWE-78

Vendor fix

Update to versions 24.11.20, 25.05.15, 25.11.09, 26.05.04 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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