3.0
Low
CVE-2026-87876 Two case-insensitive comparisons on request-derived usernames outside the main authorization path in CUPS's scheduler…
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.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Red Hat Enterprise Linux 10 | Versions not published | |
| Red Hat Enterprise Linux 6 | Versions not published | |
| Red Hat Enterprise Linux 7 | Versions not published | |
| Red Hat Enterprise Linux 8 | Versions not published | |
| Red Hat Enterprise Linux 9 | Versions not published | |
| Red Hat Hardened Images 2.4 | earliest → < 2.4.19-4.2.hum1 | 2.4.19-4.2.hum1 |
| Red Hat OpenShift Container Platform 4 | Versions not published |
References
- RHSA-2026:67568 access.redhat.com
- access.redhat.com access.redhat.com
- RHBZ#2530991 bugzilla.redhat.com
- github.com github.com
- github.com github.com
- github.com github.com
Timeline
- Published
- Last modified
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