CVE-2026-107466

MEDIUM
MEDIUM Priority: 0.01 BB Relevance: 37/100
Published: 2026-10-08 Modified: 2026-11-05 First seen: 2026-11-05 Status: active

Attack Surface

Low Complexity No Auth Conf. Impact

CVSS Vector Breakdown

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

Description

A flaw was found in flatpak-builder. This vulnerability allows an attacker to cause information disclosure by convincing a user or continuous integration (CI) system to process a crafted build manifest. By specifying local file Uniform Resource Identifiers (URIs) within source download definitions, the builder bypasses directory confinement checks. As a result, sensitive host files accessible to the build process can be read and incorporated into the build artifacts.

Weakness Classification (1)

Bug Bounty Relevance

37 / 100
✓ No authentication
✓ Low complexity

CVSS Score

6.1 / 10.0 v3.1
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N

EPSS — Exploitation Probability

0.19%
Raw Score 0.001910
Percentile 8.9%
Date 2026-11-14

EPSS Trend

2026-11-14
0.00191
2026-11-13
0.00191
2026-11-12
0.00191
2026-11-10
0.00191
2026-11-09
0.00191
2026-11-08
0.00191
2026-11-07
0.00191
2026-11-06
0.00191
2026-11-05
0.00191

Intelligence Sources

mitre ref →
nvd ref →