medium · CVSS v3 5.9 · CVSS v4 6

CVE-2026-123521

Vikunja before 2.7.1 contains an improper restriction of excessive authentication attempts vulnerability that allows ses…

Description

Vikunja before 2.7.1 contains an improper restriction of excessive authentication attempts vulnerability that allows session holders to brute-force account passwords via unthrottled re-authentication endpoints. Attackers with a stolen session can guess the password via /user/settings/totp/disable without lockout, then disable TOTP without a code for persistent account takeover.

Scores

Severity
medium
CVSS v2
5.6
CVSS v3
5.9
CVSS v4
6
EPSS
—

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