Directory Traversal The advisory has been revoked - it doesn't affect any version of package flatpak (opens in a new tab)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-RHEL10-FLATPAK-20069654
- published24 Sept 2026
- disclosed11 Aug 2026
Introduced: 11 Aug 2026
CVE-2026-96275 (opens in a new tab)Amendment
The Red Hat security team deemed this advisory irrelevant for RHEL:10.
NVD Description
Note: Versions mentioned in the description apply only to the upstream flatpak package and not the flatpak package as distributed by RHEL.
A malicious or compromised Flatpak repository can write attacker-controlled content to arbitrary locations on the host filesystem via extract_extra_data(). On system installs, the write happens as root. Two issues combine: files/extra is resolved via path operations that follow symlinks, and blob names from xa.extra-data-sources are not sanitized against .. traversal.
References
- https://bugzilla.redhat.com/show_bug.cgi?id=2539416
- https://access.redhat.com/security/cve/CVE-2026-96275
- https://access.redhat.com/errata/RHSA-2026:80498
- https://github.com/flatpak/flatpak/security/advisories/GHSA-fqx6-vh4p-42cg
- https://access.redhat.com/errata/RHSA-2026:80497
- https://access.redhat.com/errata/RHSA-2026:80687