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VulnerabilityPublished Updated

CVE-2026-96281: Red Hat Enterprise Linux 10 · Improper Access Control

Affects Red Hat Enterprise Linux 10Source CVE Database V5

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Not known to be exploited · CVSS 6.2 Medium.

Data as of 10 Nov 2026, 11:37 UTC

CVSS 3.1 base score
6.2Medium
How severe the flaw is on the 0–10 CVSS scale.

Thin evidence

One scorer or none
CVSS scores by source
CNA (redhat)CVSS 3.16.2
EPSS
0.1% chance of exploitation in 30 days – higher than 2% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:P/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 27 Sep 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 10 Nov 2026.

What to do

Affected software

ProductAffectedFixed in
Red Hat Enterprise Linux 10flatpakAffected–Fixed in–
Red Hat Enterprise Linux 7flatpakAffected–Fixed in–
Red Hat Enterprise Linux 8flatpakAffected–Fixed in–
Red Hat Enterprise Linux 9flatpakAffected–Fixed in–

AI-suggested

Red Hat advises ensuring that all system-wide Flatpak applications are fully updated before running them. Monitor the Red Hat advisory for any forthcoming patches or updates.

Description

CVE-2026-96281 is an improper access control vulnerability in Red Hat Enterprise Linux 10 affecting system-wide Flatpak applications. A local user with an active login session can downgrade a Flatpak app to an older version by removing the app's remote reference using an unprivileged system-helper method. This bypasses the anti-downgrade check, potentially exposing other users to vulnerable app versions with unfixed security issues. The vulnerability requires specific conditions and user interaction to exploit. Red Hat recommends ensuring Flatpak apps are fully updated before execution.

References

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