Dashboard / CVE-2026-96279

CVE-2026-96279

MEDIUM
MEDIUM Priority: 0.03 BB Relevance: 63/100
Published: 2026-09-27 Modified: 2026-11-06 First seen: 2026-11-06 Status: active

Attack Surface

Network Low Complexity No Auth Conf. Impact

CVSS Vector Breakdown

AV: Network
AC: Low
PR: None
UI: Required
S: Unchanged
C: High
I: None
A: None

Description

A malicious OCI registry can hardlink arbitrary host files into the extraction directory when a user installs or updates a Flatpak application from an OCI remote, allowing disclosure of arbitrary host file contents. For system-wide installs running as root, this includes sensitive files such as /etc/shadow.

Weakness Classification (1)

References & Advisories (3)

https://bugzilla.redhat.com/show_bug.cgi?id=2539417
issue-tracking x_refsource_REDHAT

Bug Bounty Relevance

63 / 100
✓ Network accessible
✓ No authentication
✓ Low complexity

CVSS Score

6.5 / 10.0 v3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

EPSS — Exploitation Probability

0.43%
Raw Score 0.004250
Percentile 37.3%
Date 2026-11-13

EPSS Trend

2026-11-13
0.00425
2026-11-12
0.00425
2026-11-10
0.00425
2026-11-09
0.00425
2026-11-08
0.00425
2026-11-07
0.00425
2026-11-06
0.00425
2026-11-05
0.00425

Intelligence Sources

mitre ref →
nvd ref →

External Links