Cloud Vulnerability DB
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Vulnerability DatabaseCVE-2026-27447
CVE-2026-27447:
OpenPrinting CUPS vulnerability analysis and mitigation
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.
Source: NVD
Related OpenPrinting CUPS vulnerabilities:
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