CVE-2026-28268 — Incomplete Cleanup in Vikunja

CWE-459 — Incomplete CleanupCWE-640 — Weak Password Recovery Mechanism for Forgotten Password5 documents4 sources
Severity
9.8CRITICALNVD
EPSS
0.0%
top 88.36%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
Go-vikunja VikunjaVikunjaCode.vikunja.io API
Timeline
PublishedFeb 27
Latest updateMar 10

Description

Vikunja is an open-source self-hosted task management platform. Versions prior to 2.1.0 have a business logic vulnerability exists in the password reset mechanism of vikunja/api that allows password reset tokens to be reused indefinitely. Due to a failure to invalidate tokens upon use and a critical logic bug in the token cleanup cron job, reset tokens remain valid forever. This allows an attacker who intercepts a single reset token (via logs, browser history, or phishing) to perform a complete,…

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 3.9 | Impact: 5.9

Affected Packages3 packages

▶NVDvikunja/vikunja< 2.1.0
▶CVEListV5go-vikunja/vikunja< 2.1.0

Patches

Patch: github.com ↗

🔴Vulnerability Details

3
OSV
Vikunja Vulnerable to Account Takeover via Password Reset Token Reuse in code.vikunja.io/api↗2026-03-10
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GHSA
Vikunja Vulnerable to Account Takeover via Password Reset Token Reuse↗2026-02-28
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OSV
Vikunja Vulnerable to Account Takeover via Password Reset Token Reuse↗2026-02-28
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🕵️Threat Intelligence

1
Wiz
CVE-2026-28268 Impact, Exploitability, and Mitigation Steps | Wiz↗
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