CVE-2026-27575

Name: CVE-2026-27575
Creator: NVD / NIST
Published: 2026-02-25T22:16:26.383+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.1/10EPSS 0.43%

Last modified Jun 17, 2026

CVE-2026-27575 is a critical-severity vulnerability rated 9.1/10 on the CVSS scale. Vikunja is an open-source self-hosted task management platform. Prior to version 2.0.0, the application allows users to set weak passwords (e.g., 1234, password) without enforcing minimum strength requirements. EPSS estimates a 0.43% chance of exploitation in the next 30 days.

Description

Vikunja is an open-source self-hosted task management platform. Prior to version 2.0.0, the application allows users to set weak passwords (e.g., 1234, password) without enforcing minimum strength requirements. Additionally, active sessions remain valid after a user changes their password. An attacker who compromises an account (via brute-force or credential stuffing) can maintain persistent access even after the victim resets their password. Version 2.0.0 contains a fix.

Metrics

CVSS 3.1

9.1/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

EPSS Probability

0.43%

34.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Vikunja	Vikunja	< 2.0.0

References

https://github.com/go-vikunja/vikunja/security/advisories/GHSA-3ccg-x393-96v8Exploit, Vendor Advisory
https://vikunja.io/changelog/vikunja-v2.0.0-was-releasedRelease Notes

Timeline

Published: Feb 25, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-27575?

How severe is CVE-2026-27575?

CVE-2026-27575 has a CVSS score of 9.1/10 (CRITICAL severity). The EPSS model estimates a 0.43% probability of exploitation in the next 30 days.

How do I fix CVE-2026-27575?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-27575?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST