GHSA-2Q2Q-JR9G-V9RF
Vulnerability from github – Published: 2026-08-28 18:47 – Updated: 2026-08-28 18:47
VLAI
Summary
Weblate has IDOR in GroupViewSet that allows authenticated project manager to gain unauthorized read access to any private project
Details
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
- https://github.com/WeblateOrg/weblate/pull/19970
References
Parts of this issue were independently reported by four reporters: * @H3xV0rT3x via GitHub * imhego via HackerOne * v01demort via HackerOne * b4nder via HackerOne
Severity
8.1 (High)
{
"affected": [
{
"package": {
"ecosystem": "PyPI",
"name": "Weblate"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "2026.7"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"aliases": [
"CVE-2026-55228"
],
"database_specific": {
"cwe_ids": [
"CWE-639"
],
"github_reviewed": true,
"github_reviewed_at": "2026-08-28T18:47:29Z",
"nvd_published_at": "2026-08-26T21:16:38Z",
"severity": "HIGH"
},
"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",
"id": "GHSA-2q2q-jr9g-v9rf",
"modified": "2026-08-28T18:47:29Z",
"published": "2026-08-28T18:47:29Z",
"references": [
{
"type": "WEB",
"url": "https://github.com/WeblateOrg/weblate/security/advisories/GHSA-2q2q-jr9g-v9rf"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-55228"
},
{
"type": "WEB",
"url": "https://github.com/WeblateOrg/weblate/pull/19970"
},
{
"type": "WEB",
"url": "https://github.com/WeblateOrg/weblate/commit/19babc99b05f2cc299b5090f90f79d8181f25d79"
},
{
"type": "PACKAGE",
"url": "https://github.com/WeblateOrg/weblate"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N",
"type": "CVSS_V3"
}
],
"summary": "Weblate has IDOR in GroupViewSet that allows authenticated project manager to gain unauthorized read access to any private project"
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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