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CVE-2026-26378

Medium

Description

Cross Site Scripting vulnerability in Koha 25.11 and before allows a remote attacker to execute arbitrary code via file upload function in Invoice features

SeverityMedium
CVSS5.4
Exploit probability—
ProductKoha
PublishedJun 3, 2026
First seenJun 3, 2026
Weakness typeCWE-79Cross-site scripting (XSS)

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
koha kohav ≤ 25.11.00—

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