What is CVE-2026-28268?

CVE-2026-28268 is a critical-severity vulnerability in Go-vikunja Vikunja, classified under Incomplete Cleanup. CVSS score: 9.8/10. Published 2026-02-27.

How severe is CVE-2026-28268?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Vulnerability in Go-vikunja Vikunja

CVE-2026-28268

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…

EPSS: 0.000 (12.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Go-vikunja Vikunja — versions < 2.1.0

Weakness classification (CWE)

References

https://github.com/go-vikunja/vikunja/security/advisories/GHSA-rfjg-6m84-crj2 (x_refsource_CONFIRM)
https://github.com/go-vikunja/vikunja/commit/5c2195f9fca9ad208477e865e6009c37889f87b2 (x_refsource_MISC)
https://vikunja.io/changelog/vikunja-v2.1.0-was-released (x_refsource_MISC)

Frequently asked questions

What is CVE-2026-28268?: CVE-2026-28268 is a critical-severity vulnerability in Go-vikunja Vikunja, classified under Incomplete Cleanup. CVSS score: 9.8/10. Published 2026-02-27.
How severe is CVE-2026-28268?: Critical severity. CVSS v3 base score is 9.8 out of 10.