Alpine: multiple flatpak-builder packages: security update to 1.4.11-r0

high Tenable Self-Hosted Container Security Plugin ID 447993

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

- A flaw was found in flatpak-builder where Git hooks are not disabled when applying patch sources with use-
git-am: true. An attacker who can provide a malicious source containing a Git post-applypatch hook can
cause the hook to execute on the host during the build process, resulting in arbitrary code execution with
the privileges of the user running flatpak-builder. (CVE-2026-86320)

Solution

Update the flatpak-builder library and its related packages to version 1.4.11-r0 or later.

See Also

https://security.alpinelinux.org/vuln/CVE-2026-86320

Plugin Details

Severity: High

ID: 447993

Version: Revision 1.2

Type: Local

Published: 9/15/2026

Updated: 9/17/2026

Supported Sensors: Agentless Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 58.29

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS Score Source: CVE-2026-86320

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.8

Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

Exploit Ease: No known exploits are available

Reference Information

CVE: CVE-2026-86320