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Linux Distros Unpatched Vulnerability : CVE-2026-112937

medium Nessus Plugin ID 368999

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Synopsis

The Linux/Unix host has one or more packages installed with a vulnerability that the vendor indicates will not be patched.

Description

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

 - filelock is a platform-independent file lock for Python. From 4.1.0 until 4.2.1, ReadWriteLock can remove a randomized .filelock-* private-hard-link directory during cleanup, allowing another local user with rename access in a non-sticky parent to observe a live name or forge a dead-owner sweep name and rename a sibling directory onto it for deletion. This issue is fixed in version 4.2.1. (CVE-2026-112937)

Note that Nessus relies on the presence of the package as reported by the vendor.

Solution

There is no known solution at this time.

See Also

https://security-tracker.debian.org/tracker/CVE-2026-112937

Plugin Details

Severity: Medium

ID: 368999

File Name: unpatched_CVE_2026_112937.nasl

Version: 1.2

Type: Local

Agent: unix

Family: Misc.

Published: 10/21/2026

Updated: 10/22/2026

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

Risk Information

VPR

Risk Factor: Low

Score: 3.5

Percentile: 51.45

CVSS v2

Risk Factor: Medium

Base Score: 5.2

Temporal Score: 4.7

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

CVSS Score Source: CVE-2026-112937

CVSS v3

Risk Factor: Medium

Base Score: 6.1

Temporal Score: 5.8

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

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

Vulnerability Information

CPE: cpe:/o:debian:debian_linux:12.0, cpe:/o:debian:debian_linux:13.0, cpe:/o:debian:debian_linux:14.0, p-cpe:/a:debian:debian_linux:python-filelock

Required KB Items: Host/local_checks_enabled, Host/cpu, global_settings/vendor_unpatched, Host/OS/identifier

Exploit Available: true

Exploit Ease: Exploits are available

Vulnerability Publication Date: 10/20/2026

Reference Information

CVE: CVE-2026-112937