CVE-2026-33677

low-risk
Published 2026-03-24

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.

Do I need to act?

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0.04% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
6
CVSS 6.5/10 Medium
NETWORK / LOW complexity

Affected Products (1)

Affected Vendors

Vikunja

References (2)

Exploit https://github.com/go-vikunja/vikunja/security/advisories/GHSA-7c2g-p23p-4jg3
Release Notes https://vikunja.io/changelog/vikunja-v2.2.2-was-released
29
/ 100
low-risk
Severity 24/34 · High
Exploitability 0/34 · Minimal
Exposure 5/34 · Minimal