Weblate has IDOR in GroupViewSet that allows authenticated project manager to gain unauthorized read access to any private project
Impact
The API did not properly handle project- and workspace-scoped teams and allowed setting invalid configurations, including granting access to projects the user has no access to.
Patches
References
Parts of this issue were independently reported by four reporters:
Affected software
Click a technology to see all vulnerabilities affecting it.
| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Python (PyPI) | weblate | < 2026.7 | 2026.7 |
References
- https://github.com/WeblateOrg/weblate/security/advisories/GHSA-2q2q-jr9g-v9rf
- https://nvd.nist.gov/vuln/detail/CVE-2026-55228
- https://github.com/WeblateOrg/weblate/pull/19970
- https://github.com/WeblateOrg/weblate/commit/19babc99b05f2cc299b5090f90f79d8181f25d79
- https://github.com/WeblateOrg/weblate
- https://pypi.org/project/weblate
- https://github.com/advisories/GHSA-2q2q-jr9g-v9rf
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N- Weakness (CWE)
CWE-639- Platform
- Python (PyPI)
- Package
weblate- Disclosed
- 28.08.2026
- Updated
- 11.10.2026 15:18
Sources and licenses
OSV / GitHub Advisory Database - PYSEC-2026-3942 - PyPA Advisory Database; CC BY 4.0
OSV / GitHub Advisory Database - GHSA-2q2q-jr9g-v9rf - 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 has IDOR in GroupViewSet that allows authenticated project manager to gain unauthorized read access to any private project this entry
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