CVE-2026-34990 | OpenPrinting CUPS up to 2.4.16 on Linux IPP Service /admin/ improper authentication

A vulnerability was found in OpenPrinting CUPS up to 2.4.16 on Linux. It has been classified as critical. Affected by this issue is some unknown functionality of the file /admin/ of the component IPP Service. This manipulation causes improper authentication.

This vulnerability appears as CVE-2026-34990. The attack requires local access. There is no available exploit.