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cups: OpenPrinting CUPS: Privilege escalation via arbitrary file overwrite due to coerced authentication

🗓️ 17 Apr 2026 17:04:56Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 4 Views

Unprivileged user coerces cupsd to authenticate to attacker Internet Printing Protocol service, enabling a persistent printer and root file overwrite.

Related
Packages
Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Hardened Imagesanyaarch64cups2.4.17-1.hum1cups-2.4.17-1.hum1.aarch64.rpm
Red Hat Hardened Imagesanyx86_64cups2.4.17-1.hum1cups-2.4.17-1.hum1.x86_64.rpm
Red Hat Hardened Imagesanynoarchcups-filesystem2.4.17-1.hum1cups-filesystem-2.4.17-1.hum1.noarch.rpm

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26 Jul 2026 19:32Current
6.8Medium risk
Vulners AI Score6.8
CVSS 45
CVSS 3.17.8
EPSS0.00289
SSVC
4