What is CVE-2026-96275?

CVE-2026-96275 is a high-severity vulnerability in Red Hat Enterprise Linux 10, classified under Path Traversal. CVSS score: 8.8/10. Published 2026-09-23.

How severe is CVE-2026-96275?

High severity. CVSS v3 base score is 8.8 out of 10.

Path Traversal in Red Hat Enterprise Linux 10

CVE-2026-96275

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.

Vulnerability class: Path Traversal (Directory Traversal)

Published 2026-09-23 · last modified 2026-09-23.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Weakness classification (CWE)

CWE-22 — Path Traversal

References

access.redhat.com/security/cve/CVE-2026-96275 (vdb-entry)
bugzilla.redhat.com/show_bug.cgi (issue-tracking)
github.com/flatpak/flatpak/security/advisories/GHSA-fqx6-vh4p-42cg

Frequently asked questions

What is CVE-2026-96275?: CVE-2026-96275 is a high-severity vulnerability in Red Hat Enterprise Linux 10, classified under Path Traversal. CVSS score: 8.8/10. Published 2026-09-23.
How severe is CVE-2026-96275?: High severity. CVSS v3 base score is 8.8 out of 10.