Verified

ghsa:GHSA-P2VV-WRH8-X466: code.vikunja.io/api <= 2.5.0

Duplicate Advisory: Vikunja: CalDAV and feeds BasicAuth endpoints have no rate limit, bypassing the anti-brute-force floor on account passwords. Affected range: <= 2.5.0.

Affected technology

code.vikunja.io/api · <= 2.5.0
Vendor not specified by the source

Component: Not specified by the source

Attack conditions (Source advisory, CVSS 3.1): Network (remote) · No privileges required · No user interaction required

What an attacker can do

Remote unauthenticated attackers can issue unbounded credential-guessing requests against /dav, /.well-known, and /feeds routes to bypass the instance's anti-brute-force controls and compromise password-only accounts. Source advisory’s CVSS 3.1 assessment rates confidentiality impact as high; integrity and availability impact as none.

Published 13-Oct-2026 07:59 UTC

Product: code.vikunja.io/api
KEV: no

Provenance

GitHub Advisory Database · Source record · observed 2026-10-09 22:06:25.045838+00:00 UTC

Stable permalink: https://cybercodered.org/item/adv-ghsa-ghsa-p2vv-wrh8-x466.html