CVE-2026-87876
Publication date 9 September 2026
Last updated 16 September 2026
Ubuntu priority
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.
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| cups | 26.04 LTS resolute |
Needs evaluation
|
| 24.04 LTS noble |
Needs evaluation
|
|
| 22.04 LTS jammy |
Needs evaluation
|
|
| 20.04 LTS focal |
Needs evaluation
|
|
| 18.04 LTS bionic |
Needs evaluation
|
|
| 16.04 LTS xenial |
Needs evaluation
|
Severity score breakdown
CVSS version: CVSS v3.0
Base score
3.0 · Low
Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N