CVE-2026-87876

3.0 Faible

Publiée le 09/09/2026 à 19:17 · Modifiée le 21/10/2026 à 23:20 · En attente d'analyse NVD · Source : secalert@redhat.com

Description

Two case-insensitive comparisons on request-derived usernames outside the main authorization path in CUPS's scheduler (printer ACL validation and private-attribute filtering) could allow bypass of username-based access controls in certain configurations.

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Produits concernés

Red Hat Hardened Images
Red Hat Enterprise Linux 10
Red Hat Enterprise Linux 6
Red Hat Enterprise Linux 7
Red Hat Enterprise Linux 8
Red Hat Enterprise Linux 9
Red Hat OpenShift Container Platform 4

Scores CVSS

Version	Score	Source	Vecteur
3.1	3.0 Faible	secalert@redhat.com	`CVSS:3.1/AV:A/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N`

Faiblesses (CWE)

CWE-178

Références

https://access.redhat.com/errata/RHSA-2026:67568
https://access.redhat.com/security/cve/CVE-2026-87876
https://bugzilla.redhat.com/show_bug.cgi?id=2530991
https://github.com/OpenPrinting/cups/commit/88e67c00c130a45f3a1edf36686f7a0b2982fef8
https://github.com/OpenPrinting/cups/commit/f56844dbe4a54a9f8e1aeb3b913fbee614156bdb
https://github.com/OpenPrinting/cups/security/advisories/GHSA-r8jp-q6fh-g5r2
https://github.com/OpenPrinting/cups/security/advisories/GHSA-r8jp-q6fh-g5r2

Ailleurs

NVD
CVE.org
CIRCL Vulnerability-Lookup
CERT-FR
GitHub Advisories