GHSA-G4R8-MP7G-85FQ
Vulnerability from github – Published: 2025-05-06 16:51 – Updated: 2025-05-06 19:57
VLAI?
Summary
ZITADEL Allows IdP Intent Token Reuse
Details
Impact
ZITADEL offers developers the ability to manage user sessions using the Session API. This API enables the use of IdPs for authentication, known as idp intents.
Following a successful idp intent, the client receives an id and token on a predefined URI. These id and token can then be used to authenticate the user or their session.
However, it was possible to exploit this feature by repeatedly using intents. This allowed an attacker with access to the application’s URI to retrieve the id and token, enabling them to authenticate on behalf of the user.
It’s important to note that the use of additional factors (MFA) prevents a complete authentication process and, consequently, access to the ZITADEL API.
Patches
3.x versions are fixed on >=3.0.0 2.71.x versions are fixed on >=2.71.9 2.x versions are fixed on >=2.70.10
Workarounds
The recommended solution is to update ZITADEL to a patched version.
Questions
If you have any questions or comments about this advisory, please email us at security@zitadel.com
Credits
Thanks to Józef Chraplewski from Nedap for reporting this vulnerability.
Severity ?
8.0 (High)
{
"affected": [
{
"database_specific": {
"last_known_affected_version_range": "\u003c= 3.0.0-rc.3"
},
"package": {
"ecosystem": "Go",
"name": "github.com/zitadel/zitadel"
},
"ranges": [
{
"events": [
{
"introduced": "3.0.0-rc.1"
},
{
"fixed": "3.0.0"
}
],
"type": "ECOSYSTEM"
}
]
},
{
"package": {
"ecosystem": "Go",
"name": "github.com/zitadel/zitadel"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "2.70.10"
}
],
"type": "ECOSYSTEM"
}
]
},
{
"database_specific": {
"last_known_affected_version_range": "\u003c= 2.71.8"
},
"package": {
"ecosystem": "Go",
"name": "github.com/zitadel/zitadel"
},
"ranges": [
{
"events": [
{
"introduced": "2.71.0"
},
{
"fixed": "2.71.9"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"aliases": [
"CVE-2025-46815"
],
"database_specific": {
"cwe_ids": [
"CWE-294",
"CWE-384",
"CWE-613"
],
"github_reviewed": true,
"github_reviewed_at": "2025-05-06T16:51:16Z",
"nvd_published_at": "2025-05-06T18:15:38Z",
"severity": "HIGH"
},
"details": "### Impact\n\nZITADEL offers developers the ability to manage user sessions using the [Session API](https://zitadel.com/docs/category/apis/resources/session_service_v2/session-service). This API enables the use of IdPs for authentication, known as idp intents.\n\nFollowing a successful idp intent, the client receives an id and token on a predefined URI. These id and token can then be used to authenticate the user or their session.\n\nHowever, it was possible to exploit this feature by repeatedly using intents. This allowed an attacker with access to the application\u2019s URI to retrieve the id and token, enabling them to authenticate on behalf of the user.\n\nIt\u2019s important to note that the use of additional factors (MFA) prevents a complete authentication process and, consequently, access to the ZITADEL API.\n\n### Patches\n\n3.x versions are fixed on \u003e=[3.0.0](https://github.com/zitadel/zitadel/releases/tag/v3.0.0)\n2.71.x versions are fixed on \u003e=[2.71.9](https://github.com/zitadel/zitadel/releases/tag/v2.71.9)\n2.x versions are fixed on \u003e=[2.70.10](https://github.com/zitadel/zitadel/releases/tag/v2.70.10)\n\n### Workarounds\n\nThe recommended solution is to update ZITADEL to a patched version.\n\n### Questions\n\nIf you have any questions or comments about this advisory, please email us at [security@zitadel.com](mailto:security@zitadel.com)\n\n### Credits\n\nThanks to J\u00f3zef Chraplewski from Nedap for reporting this vulnerability.",
"id": "GHSA-g4r8-mp7g-85fq",
"modified": "2025-05-06T19:57:17Z",
"published": "2025-05-06T16:51:16Z",
"references": [
{
"type": "WEB",
"url": "https://github.com/zitadel/zitadel/security/advisories/GHSA-g4r8-mp7g-85fq"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-46815"
},
{
"type": "WEB",
"url": "https://github.com/zitadel/zitadel/commit/b1e60e7398d677f08b06fd7715227f70b7ca1162"
},
{
"type": "PACKAGE",
"url": "https://github.com/zitadel/zitadel"
},
{
"type": "WEB",
"url": "https://github.com/zitadel/zitadel/releases/tag/v2.70.10"
},
{
"type": "WEB",
"url": "https://github.com/zitadel/zitadel/releases/tag/v2.71.9"
},
{
"type": "WEB",
"url": "https://github.com/zitadel/zitadel/releases/tag/v3.0.0"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:N",
"type": "CVSS_V3"
}
],
"summary": "ZITADEL Allows IdP Intent Token Reuse"
}
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Sightings
| Author | Source | Type | Date |
|---|
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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