Weblate: Missing access control for the AddonViewSet API exposes all addon configurations
Impact
Users were able to obtain add-on configuration via API.
Patches
References
Weblate thanks @lighthousekeeper1212 for responsible disclosure.
Affected software
Click a technology to see all vulnerabilities affecting it.
| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Python (PyPI) | weblate | < 5.16.1 | 5.16.1 |
References
- https://github.com/WeblateOrg/weblate/releases/tag/weblate-5.16.1
- https://github.com/WeblateOrg/weblate/commit/3f58f9a4152bc0cbdd6eff5954f9c7bc4d9f0af9
- https://github.com/WeblateOrg/weblate/commit/7802c9b121eb407c48d4adddd4f2458fb3efef0f
- https://github.com/WeblateOrg/weblate/pull/18107
- https://github.com/WeblateOrg/weblate/pull/18164
- https://github.com/WeblateOrg/weblate/security/advisories/GHSA-wppc-7cq7-cgfv
- https://nvd.nist.gov/vuln/detail/CVE-2026-27457
- https://github.com/WeblateOrg/weblate
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N- Weakness (CWE)
CWE-200, CWE-862- Platform
- Python (PyPI)
- Package
weblate- Disclosed
- 26.02.2026
- Updated
- 11.10.2026 14:17
Sources and licenses
OSV / GitHub Advisory Database - PYSEC-2026-2310 - PyPA Advisory Database; CC BY 4.0
OSV / GitHub Advisory Database - GHSA-wppc-7cq7-cgfv - CC BY 4.0
Vulnerability history: weblate
All published vulnerabilities of this package (Python (PyPI)), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 36
- First → latest
- 03.2017 08.2026
- Without a fix
- 0
- Exploited in attacks
- 0
Severity breakdown
- Critical 1
- High 6
- Medium 22
- Low 7
Disclosures per year
- 2017: 1
- 2018: 0
- 2019: 0
- 2020: 0
- 2021: 0
- 2022: 1
- 2023: 0
- 2024: 1
- 2025: 12
- 2026: 21
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Weblate: Missing access control for the AddonViewSet API exposes all addon configurations this entry
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