What is CVE-2026-27616?

CVE-2026-27616 is a high-severity vulnerability in Go-vikunja Vikunja, classified under Cross-site Scripting. CVSS score: 7.3/10. Published 2026-02-25.

How severe is CVE-2026-27616?

High severity. CVSS v3 base score is 7.3 out of 10.

XSS in Go-vikunja Vikunja

CVE-2026-27616

Vikunja is an open-source self-hosted task management platform. Prior to version 2.0.0, the application allows users to upload SVG files as task attachments. SVG is an XML-based format that supports JavaScript execution through elements su…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.001 (20.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N.

Affected products

Go-vikunja Vikunja — versions < 2.0.0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

https://github.com/go-vikunja/vikunja/security/advisories/GHSA-7jp5-298q-jg98 (x_refsource_CONFIRM)
https://github.com/user-attachments/files/25414870/Stored.XSS.Proof.of.concept.pdf (x_refsource_MISC)
https://vikunja.io/changelog/vikunja-v2.0.0-was-released (x_refsource_MISC)

Frequently asked questions

What is CVE-2026-27616?: CVE-2026-27616 is a high-severity vulnerability in Go-vikunja Vikunja, classified under Cross-site Scripting. CVSS score: 7.3/10. Published 2026-02-25.
How severe is CVE-2026-27616?: High severity. CVSS v3 base score is 7.3 out of 10.