What is CVE-2026-35602?

CVE-2026-35602 is a medium-severity vulnerability in Go-vikunja Vikunja, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 5.4/10. Published 2026-04-10.

How severe is CVE-2026-35602?

Medium severity. CVSS v3 base score is 5.4 out of 10.

Resource exhaustion in Go-vikunja Vikunja

CVE-2026-35602

Vikunja is an open-source self-hosted task management platform. Prior to 2.3.0, the Vikunja file import endpoint uses the attacker-controlled Size field from the JSON metadata inside the import zip instead of the actual decompressed file c…

EPSS: 0.000 (15.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L.

Affected products

Go-vikunja Vikunja — versions < 2.3.0

Weakness classification (CWE)

CWE-770 — Allocation of Resources Without Limits or Throttling

References

https://github.com/go-vikunja/vikunja/security/advisories/GHSA-qh78-rvg3-cv54 (x_refsource_CONFIRM)
https://github.com/go-vikunja/vikunja/pull/2575 (x_refsource_MISC)
https://github.com/go-vikunja/vikunja/releases/tag/v2.3.0 (x_refsource_MISC)

Frequently asked questions

What is CVE-2026-35602?: CVE-2026-35602 is a medium-severity vulnerability in Go-vikunja Vikunja, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 5.4/10. Published 2026-04-10.
How severe is CVE-2026-35602?: Medium severity. CVSS v3 base score is 5.4 out of 10.