CVE-2026-27447 | BDVDB-2026-324645 Detail

Description#

OpenPrinting CUPS is an open source printing system for Linux and other Unix-like operating systems. In versions 2.4.16 and prior, CUPS daemon (cupsd) contains an authorization bypass vulnerability due to case-insensitive username comparison during authorization checks. The vulnerability allows an unprivileged user to gain unauthorized access to restricted operations by using a user with a username that differs only in case from an authorized user. At time of publication, there are no publicly available patches.

Impact#

Weaknesses#

References#

Exploit#

History#

1. Version 12026-04-03Record published in the CVE List.
2. Version 22026-04-06Most recent update recorded in the CVE List.