CVE-2026-87876LowAdjacentRevised 24 Sep
Cups: openprinting cups: remaining case-insensitive username matching in scheduler side paths (cve-2026-27447 follow-up)
Assessment
- Severity
- Low
- CVSS base score
- 3.0CVSS:3.1/
AV:A/ AC:L/ PR:L/ UI:R/ S:U/ C:L/ I:N/ A:N/ E:U - Impact
- Not stated
- EPSS, next 30 days
- Not scored yet
- Public exploit code
- No Nuclei template lists it
- Exploitability
- Not assessed
- Publicly disclosed
- No
- Customer action
- Required: apply the update
- Component
- Mariner
- Weakness
- CWE-178: Improper Handling of Case Sensitivity
- Issued by
- redhat
- Published
- 13 Sep 2026 · September 2026
- Last revised
- 24 Sep 2026Information published.
CVSS 3.1 base metricsRed raises the risk · green lowers it
- Attack vector
- AdjacentAV:A
- Attack complexity
- LowAC:L
- Privileges required
- LowPR:L
- User interaction
- RequiredUI:R
- Scope
- UnchangedS:U
- Confidentiality
- LowC:L
- Integrity
- NoneI:N
- Availability
- NoneA:N
Updates that fix it
0 KBsNo KB listed
MSRC lists no downloadable update, which usually means a service-side fix or a release-notes update. Check the MSRC advisory.
Affected products
1 affected product
- azl3 cups 2.4.19-1 on Azure Linux 3.0
What changed
First observed 14 Oct 2026- 14 Oct 2026 Source coverage: msrc-cvrfIncomplete → Current
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