CVE Watch15 oct 2026

CVE-2026-105106

Koha is vulnerable to OS command injection in the Task Scheduler deletion path. The tools/scheduler.pl handler accepts the jobid request par

CVSS

8.8

Alto

EPSS

1.6%

p76

KEV

—

Exploit Today

0-100

Publicado: 14 oct 2026 · Última mod.: 15 oct 2026 · CWE-78

EPSS · 30d

1.6%EPSS · 30 días1.6%

2026-10-142026-10-20

Descripción técnica

Koha is vulnerable to OS command injection in the Task Scheduler deletion path. The tools/scheduler.pl handler accepts the jobid request parameter for op=cud-delete and passes it to C4::Scheduler::remove_at_job without validating it. Schedule::At::remove substitutes the supplied job ID into an atrm command string without quoting or escaping it and executes the command through a single-argument system() call, which invokes the shell. An authenticated staff user with the tools => schedule_tasks permission can therefore execute arbitrary operating-system commands as the Koha web/application user by supplying shell metacharacters in jobid. The issue is fixed in Koha 24.11.20, 25.05.15, 25.11.09, and 26.05.04, and in the 26.11 development branch.

Referencias oficiales

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