CVE-2026-27457
Weblate: Missing access control for the AddonViewSet API exposes all addon configurations
4.3
MEDIUM
CVSS 3.1
EPSS 0.04%
Description
### Impact Users were able to obtain add-on configuration via API. ### Patches * https://github.com/WeblateOrg/weblate/pull/18107 * https://github.com/WeblateOrg/weblate/pull/18164 ### References Weblate thanks @lighthousekeeper1212 for responsible disclosure.
How to fix CVE-2026-27457
To remediate CVE-2026-27457, upgrade the affected package to a fixed version below.
- —upgrade to 5.16.1 or later
Is CVE-2026-27457 being exploited?
Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 5.16.1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM4.3 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N |