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: 0.007 (48.1th 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
Vikunja

Weakness classification (CWE)

References

security-advisories@github.com (x_refsource_CONFIRM, Vendor Advisory)
security-advisories@github.com (Patch, x_refsource_MISC)
security-advisories@github.com (x_refsource_MISC, Release Notes)

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.