CVE-2026-72610
A stored SQL injection vulnerability in Koha through 24.11.17, 25.05.12, 25.11.06, and 26.05.01 allows authenticated staff with the borrowers => edit_borrowers permission to cause a time-based denial of service by storing a SQL payload in a patron lang field. The value is concatenated raw into a subquery in Koha::AdditionalContents->search_for_display when an issue slip is printed for the affected patron. The 25-character column length limits exploitation to timing attacks; data extraction is not practical. The stored payload executes on each subsequent issue-slip print, scaling linearly with the SLEEP value and the number of slip-news rows.
- Score
- CVSS 3.1 4.3 Medium
- Status
- Awaiting Analysis - 309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c
- Published
- 2026-08-11
- Last modified
- 2026-10-24
- Weaknesses
- CWE-89
Affected products
References
- https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=42866
- https://koha-community.org/
