Brute Force Affecting code.vikunja.io/api/pkg/user package, versions <2.3.0
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-GOLANG-CODEVIKUNJAIOAPIPKGUSER-16321439
- published2 May 2026
- disclosed10 Apr 2026
- creditadrgs
Introduced: 10 Apr 2026
CVE-2026-35597 Â (opens in a new tab)How to fix?
Upgrade code.vikunja.io/api/pkg/user to version 2.3.0 or higher.
Overview
Affected versions of this package are vulnerable to Brute Force due to improper enforcement of authentication lockout in the login process. An attacker can gain unauthorized access to accounts protected by two-factor authentication by repeatedly submitting incorrect TOTP codes without triggering an account lockout, especially when using multiple source IPs to bypass rate limiting.