Insufficient access control for OAuth2 Device Code flow in authentik
Priority MEDIUM 49CWE-284Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-284.
Summary
authentik is an open-source Identity Provider. Access restrictions assigned to an application were not checked when using the OAuth2 Device code flow. This could potentially allow users without the correct authorization to get OAuth tokens for an application and access it. This issue has been patched in version(s) 2024.6.0, 2024.2.4 and 2024.4.3.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0058 47th percentileScored 2026-11-07
Fix Fixed authentik (goauthentik): 2024.6.0, 2024.4.3, 2024.2.4
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| goauthentik | authentik | before 2024.6.0; before 2024.4.3; before 2024.2.4 | 2024.6.0, 2024.4.3, 2024.2.4 | Patch available | CNA |
- authentik Vendorgoauthentik Affected before 2024.6.0; before 2024.4.3; before 2024.2.4 Fixed in 2024.6.0, 2024.4.3, 2024.2.4 Patch available CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:goauthentik:authentik:*:*:*:*:*:*:*:* | before 2024.2.4; 2024.4.0 to before 2024.4.3 | Vulnerable | goauthentik |
- cpe:2.3:a:goauthentik:authentik:*:*:*:*:*:*:*:* Versions before 2024.2.4; 2024.4.0 to before 2024.4.3 Vulnerable ·goauthentik
Remediation
- Fix · CNA authentik (goauthentik) Fixed in 2024.6.0, 2024.4.3, 2024.2.4
Timeline
- 2026-10-02 Threatist record created from CVE-2024-38371
References
More goauthentik Authentik vulnerabilities
- TI-2026-36603 authentik: SourceStage bypass via empty POST CVSS 3.1CRITICAL 9.8
- TI-2022-07608 authentik vulnerable to Improper Authentication via invitation URL token reuse CVSS 3.1CRITICAL 9.4
- TI-2026-36598 authentik: `UserSourceConnection.user` and `GroupSourceConnection.group` are changeable through the API CVSS 3.1HIGH 8.8
- TI-2022-22816 authentik allows existing authenticated users to create arbitrary accounts CVSS 3.1MEDIUM 6.4
- TI-2023-24876 authentik potential installation takeover when default admin user is deleted CVSS 3.1CRITICAL 9.8
- TI-2024-34964 authentik has an insecure default configuration for OAuth2 Redirect URIs CVSS 4.0HIGH 7.9
Sources
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences