WeblateOrg wlc up to 1.17.1 path traversal

CVSS Meta Temp Score
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CTI Interest Score
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6.4$0-$5k0.00

Summaryinfo

A vulnerability was found in WeblateOrg wlc up to 1.17.1. It has been classified as critical. This impacts an unknown function. This manipulation causes path traversal. This vulnerability is tracked as CVE-2026-23535. The attack is possible to be carried out remotely. No exploit exists. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in WeblateOrg wlc up to 1.17.1. It has been declared as critical. Affected by this vulnerability is an unknown code block. The manipulation with an unknown input leads to a path traversal vulnerability. The CWE definition for the vulnerability is CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

wlc is a Weblate command-line client using Weblate's REST API. Prior to 1.17.2, the multi-translation download could write to an arbitrary location when instructed by a crafted server. This vulnerability is fixed in 1.17.2.

It is possible to read the advisory at github.com. This vulnerability is known as CVE-2026-23535 since 01/13/2026. The exploitation appears to be difficult. The attack can be launched remotely. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1006 according to MITRE ATT&CK.

The vulnerability scanner Nessus provides a plugin with the ID 291278 (Linux Distros Unpatched Vulnerability : CVE-2026-23535), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 1.17.2 eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying the patch 216e691c6e50abae97fe2e4e4f21501bf49a585f is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the vulnerability database at Tenable (291278). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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Version

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.4

VulDB Base Score: 5.0
VulDB Temp Score: 4.8
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 8.0
CNA Vector (GitHub_M): 🔒

CVSSv2info

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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Path traversal
CWE: CWE-22
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Nessus ID: 291278
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2026-23535

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: wlc 1.17.2
Patch: 216e691c6e50abae97fe2e4e4f21501bf49a585f

Timelineinfo

01/13/2026 CVE reserved
01/16/2026 +3 days Advisory disclosed
01/16/2026 +0 days VulDB entry created
01/17/2026 +1 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: GHSA-mmwx-79f6-67jg
Status: Confirmed

CVE: CVE-2026-23535 (🔒)
GCVE (CVE): GCVE-0-2026-23535
GCVE (VulDB): GCVE-100-341647

Entryinfo

Created: 01/16/2026 20:31
Updated: 01/17/2026 16:50
Changes: 01/16/2026 20:31 (67), 01/17/2026 16:50 (2)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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