{
"id": "GHSA-2q2q-jr9g-v9rf",
"aliases": [
"CVE-2026-55228"
],
"details": "### Impact\nThe 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.\n\n### Patches\n* https://github.com/WeblateOrg/weblate/pull/19970\n\n\n### References\n\nParts of this issue were independently reported by four reporters:\n * @H3xV0rT3x via GitHub\n * [imhego](https://hackerone.com/imhego) via HackerOne\n * [v01demort](https://hackerone.com/v01demort) via HackerOne\n * [b4nder](https://hackerone.com/b4nder) via HackerOne",
"summary": "Weblate has IDOR in GroupViewSet that allows authenticated project manager to gain unauthorized read access to any private project",
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2026.7"
}
]
}
],
"package": {
"name": "Weblate",
"ecosystem": "PyPI"
}
}
],
"modified": "2026-08-28T18:47:29Z",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N"
}
],
"published": "2026-08-28T18:47:29Z",
"references": [
{
"url": "https://github.com/WeblateOrg/weblate/security/advisories/GHSA-2q2q-jr9g-v9rf",
"type": "WEB"
},
{
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-55228",
"type": "ADVISORY"
},
{
"url": "https://github.com/WeblateOrg/weblate/pull/19970",
"type": "WEB"
},
{
"url": "https://github.com/WeblateOrg/weblate/commit/19babc99b05f2cc299b5090f90f79d8181f25d79",
"type": "WEB"
},
{
"url": "https://github.com/WeblateOrg/weblate",
"type": "PACKAGE"
}
],
"schema_version": "1.4.0",
"database_specific": {
"cwe_ids": [
"CWE-639"
],
"severity": "HIGH",
"github_reviewed": true,
"nvd_published_at": "2026-08-26T21:16:38Z",
"github_reviewed_at": "2026-08-28T18:47:29Z"
}
}