CVE-2026-123516 — MEDIUM (4.3)

Vulnerability Description

Vikunja before 2.7.1 contains a resource exhaustion vulnerability in the vikunja-file ZIP importer that allows authenticated users to consume CPU and memory by uploading archives with excessive entries. Attackers can upload export ZIPs containing many empty or non-files/ entries that bypass the per-entry caps, forcing scanArchive to process every entry twice.

CVSS Score

4.3

MEDIUM

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

LOW

Related Weaknesses (CWE)

CWE-770

References

FAQ

What is CVE-2026-123516?

CVE-2026-123516 is a vulnerability with a CVSS score of 4.3 (MEDIUM). Vikunja before 2.7.1 contains a resource exhaustion vulnerability in the vikunja-file ZIP importer that allows authenticated users to consume CPU and memory by uploading archives with excessive entrie...

How severe is CVE-2026-123516?

CVE-2026-123516 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-123516?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.