# CVE-2026-23535: PYSEC-2026-2053 - Weblate wlc path traversal vulnerability: Unsanitized API slugs in download command

Source: https://junglewise.ai/threats/cve-2026-23535-weblate-wlc-path-traversal-vulnerability-unsanitized-api-slugs-in  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-07-07  
License: CC BY 4.0 with a link back

CVE-2026-23535 · Severity: low · CVSS 3.1 · Published 2026-07-07

Weblate wlc path traversal vulnerability: Unsanitized API slugs in download command

Technologies: [wlc (PyPI)](https://junglewise.ai/threats/technologies/wlc). Vendors: [PyPI](https://junglewise.ai/threats/vendors/pypi).

## Quick answers

**Is CVE-2026-23535 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-23535 being exploited in the wild.

**How severe is CVE-2026-23535?** Low severity, with a CVSS score of 3.1, published 7 July 2026.

**Which products and versions are affected?** wlc (PyPI) ECOSYSTEM:introduced=0,fixed=1.17.2.

**Is there a fix for CVE-2026-23535?** Yes. wlc (PyPI): upgrade to 1.17.2 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**Am I affected by CVE-2026-23535?** Check whether you run wlc (PyPI) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## How to fix

- wlc (PyPI): upgrade to 1.17.2 or later

  ```sh
  pip install "wlc>=1.17.2"
  ```


## Affected products

- wlc (PyPI) ECOSYSTEM:introduced=0,fixed=1.17.2

## Identifiers

- CVE-2026-23535
- GHSA-mmwx-79f6-67jg
- PYSEC-2026-2053

## Related threats

- [Weblate wlc API token disclosure in project configuration](https://junglewise.ai/threats/cve-2026-62364-weblate-wlc-api-token-disclosure-in-project-configuration)
- [PYSEC-2026-2052 - Weblate wlc has insecure API key configuration](https://junglewise.ai/threats/cve-2026-22251-weblate-wlc-has-insecure-api-key-configuration)
- [PYSEC-2026-2051 - Weblate command-line client susceptible to SSL verification skip](https://junglewise.ai/threats/cve-2026-22250-weblate-command-line-client-ssl-verification-skip)
- [Weblate wlc cross-site scripting in HTML output format](https://junglewise.ai/threats/cve-2026-42150-weblate-wlc-cross-site-scripting-in-print-html)