CVE-2026-22251 wlc may leak API keys due to an insecure API key configuration
Medium 5.3
Published
Updated
Check this codebase for CVE-2026-22251 and fix it if it is affected.
What it is: CVE-2026-22251 is a medium-severity vulnerability in WeblateOrg wlc, published on 12 Jan 2026.
Exploitation: There is no known exploitation of CVE-2026-22251 in the wild and no public exploit code.
Affected packages and fixed versions:
- wlc (PyPI): affected all versions; fixed in 1.17.0
- wlc (PyPI): affected all versions; fixed in 1.17.0
- wlc (PyPI): affected all versions; fixed in 1.17.0
Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.
Reference: https://insights.sbomify.com/CVE-2026-22251/ (Markdown: https://insights.sbomify.com/CVE-2026-22251/index.md)
- Exploited in the wild
- Not known
- Fix
- Available
What is CVE-2026-22251?
CVE-2026-22251 is a medium-severity vulnerability in WeblateOrg wlc, published on 12 Jan 2026.
Official description
wlc is a Weblate command-line client using Weblate's REST API. Prior to 1.17.0, wlc supported providing unscoped API keys in the setting. This practice was discouraged for years, but the code was never removed. This might cause the API key to be leaked to different servers.
Weakness: CWE-200
Which versions are affected by CVE-2026-22251?
3 open source packages ship an affected version, including wlc. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
wlc PyPI | All versions | 1.17.0 |
wlc PyPI | All versions | 1.17.0 |
wlc PyPI | All versions | 1.17.0 |
Products include Weblate Wlc.
How do I fix CVE-2026-22251?
Upgrade wlc to 1.17.0 or later.
Is CVE-2026-22251 being exploited?
There is no known exploitation of CVE-2026-22251 in the wild and no public exploit code.
Other vulnerabilities in WeblateOrg wlc
Sources
Also known as DEBIAN-CVE-2026-22251, GHSA-9rp8-h4g8-8766, PYSEC-2026-2052, UBUNTU-CVE-2026-22251.