CVE-2026-33677
Webhook BasicAuth Credentials Exposed to Read-Only Project Collaborators via API
MEDIUM 6.5EPSS 0.4%
Vikunja is an open-source self-hosted task management platform. Prior to version 2.2.1, the `GET /api/v1/projects/:project/webhooks` endpoint returns webhook BasicAuth credentials (`basic_auth_user` and `basic_auth_password`) in plaintext to any user with read access to the project. While the existing code correctly masks the HMAC `secret` field, the BasicAuth fields added in a later migration were not given the same treatment. This allows read-only collaborators to steal credentials intended for authenticating against external webhook receivers. Version 2.2.1 patches the issue.
- Affected
- go-vikunja · vikunja
- CVSS v3.1 GITHUB
- 6.5 MEDIUM
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N - EPSS
- 0.41% chance of exploitation in the next 30 days, 34th percentile
- Published
- 2026-03-24
Proof-of-concept exploits (1)
Security advisories
- go-vikunja/vikunja/security/advisories/GHSA-7c2g-p23p-4jg3
- https://vikunja.io/changelog/vikunja-v2.2.2-was-released