CVE-2026-41519 Weblate's API Token Not Invalidated on Password Change
Medium 4.2
Published
Updated
Check this codebase for CVE-2026-41519 and fix it if it is affected.
What it is: CVE-2026-41519 is a medium-severity vulnerability in WeblateOrg weblate, published on 7 May 2026.
Exploitation: There is no known exploitation of CVE-2026-41519 in the wild and no public exploit code.
Affected packages and fixed versions:
- weblate (PyPI): affected all versions; fixed in 5.17.1
- weblate (PyPI): affected all versions; fixed in 5.17.1
- weblate (PyPI): affected all versions; fixed in 5.17.1
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-2026-41519/ (Markdown: https://insights.sbomify.com/CVE-2026-41519/index.md)
- Exploited in the wild
- Not known
- Fix
- Available
What is CVE-2026-41519?
CVE-2026-41519 is a medium-severity vulnerability in WeblateOrg weblate, published on 7 May 2026.
Official description
Weblate is a web based localization tool. Prior to version 5.17.1, when a user changes their password, browser sessions are correctly invalidated via "cycle_session_keys()", but DRF API tokens ("wlu_*" prefix) stored in "authtoken_token" are not revoked. This issue has been patched in version 5.17.1.
Weakness: CWE-613
Which versions are affected by CVE-2026-41519?
3 open source packages ship an affected version, including weblate. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
weblate PyPI | All versions | 5.17.1 |
weblate PyPI | All versions | 5.17.1 |
weblate PyPI | All versions | 5.17.1 |
Products include Weblate Weblate.
How do I fix CVE-2026-41519?
Upgrade weblate to 5.17.1 or later.
Is CVE-2026-41519 being exploited?
There is no known exploitation of CVE-2026-41519 in the wild and no public exploit code.
Other vulnerabilities in WeblateOrg weblate
- CVE-2025-68398 Weblate has git config file overwrite vulnerability that leads to remote code execution
- CVE-2026-34393 Weblate: Privilege escalation in the user API endpoint
- CVE-2026-33435 Weblate: Remote code execution during backup restoration
- CVE-2026-34242 Weblate: Arbitrary File Read via Symlink
- CVE-2025-68279 Weblate has an arbitrary file read via symbolic links
Sources
Also known as GHSA-6j8j-4qp3-36p2, PYSEC-2026-2316.