Detections
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SCA: security update for filelock (GHSA-rfpc-qcw5-3pc4)

medium Tenable Cloud Security Plugin ID 477786

Description

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

 - filelock is a platform-independent file lock for Python. From 3.22.0 until 4.2.1, SoftFileLock can trust a
 forged process identifier in a marker that an attacker can modify but cannot remove, allowing an
 authorized contender such as another process of the holder's account or root to act as a confused deputy,
 remove the live marker, and admit another holder. This issue is fixed in version 4.2.1. (CVE-2026-112939)

Solution

Update the filelock library and its related packages to version 4.2.1 or later.

See Also

https://github.com/advisories/GHSA-rfpc-qcw5-3pc4

Plugin Details

Severity: Medium

ID: 477786

Version: Revision 1.1

Type: Local

Family: SCA Checks

Published: 10/29/2026

Updated: 10/29/2026

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.71

Vendor

Vendor Severity: Medium

CVSS v2

Risk Factor: Low

Base Score: 3.8

Temporal Score: 3

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

CVSS Score Source: CVE-2026-112939

CVSS v3

Risk Factor: Medium

Base Score: 4.7

Temporal Score: 4.2

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

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

Vulnerability Information

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 10/28/2026

Vulnerability Publication Date: 10/20/2026

Reference Information

CVE: CVE-2026-112939

cwe: CWE-345