Vulnerability · Published Aug 26, 2026 · Assigned by GitHub_M
CVE-2026-55227Observable object existence disclosure in private Weblate projects via globally scoped object lookups
Medium 4.3
In plain English
A medium-severity security flaw in weblate from WeblateOrg. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 26% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Official description
Weblate is a web-based localization tool. In versions prior to 2026.7, several endpoints look up objects in a globally scoped manner rather than restricting the lookup to projects the user can access, so they return HTTP 403 (Forbidden) instead of 404 (Not Found) when a user requests an object they are not authorized to see. This difference lets unauthorized users infer whether a given object exists in a private Weblate project. The issue has been fixed in version 2026.7.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| PyPI | weblate | 2026.7 | GHSA-2p9g-x3cv-5hh4 |
| PyPI | weblate | 2026.7 | PYSEC-2026-3941 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| WeblateOrg | weblate | < 2026.7 |
Weakness: CWE-203 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N