CVE-2026-87876

lowpriority · track · 12EPSS 0.003 · 26 %ileDEUS
grimoire priorityP3 · Track
Exploitable?
—
no known exploitation
Likely / severe?
0.33% (26th) EPSS
CVSS 3 · low
Is it mine?
4 products
Check your exposure
Who says so?
1 sources
cert_bund

EPSS · scored 2026-10-27

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.

01

cvss

Technical severity, 0–10. One row per scoring source.

3.0
010

base score 0–10 · higher = more severe · hover a vector to decode

v3.13lowCVSS:3.1/AV:A/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:Nprimary · secalert@redhat.com USexploitability 1.5 · impact 1.4
v3.12.8lowCVSS:3.1/AV:A/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N/E:Usecondary · CVSS-BT (t0sche)
02

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: poc · Automatable: no · Technical Impact: partialcoordinatorcisa_ssvcUS
03

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-178US
04

affected products (4)

Products and version ranges known to be affected.

05

advisories (1)

Vendor and ecosystem advisories describing this.

  • WID-SEC-W-2026-3282CUPS: Mehrere Schwachstellen ermöglichen Offenlegung von InformationenDeutsch2026-09-09csaf · cert_bundDE

    Ein Angreifer aus einem angrenzenden Netzwerk kann mehrere Schwachstellen in CUPS ausnutzen, um Informationen offenzulegen.

06

sources

Which sources assert this record, and when.

cert_bundNVDCVE.orgMITRE
published 2026-09-09modified 2026-10-21
07

references (6) nvd

External citations — patches, advisories, analysis.

scry

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