MEDIUM

CVE-2026-91968

2026-09-15 CVSS v3.1

CVSS

6.5

Description

vikunja versions before 2.6.0 contain a resource exhaustion vulnerability in the task-filter endpoint that accepts deeply nested filter expressions without recursion depth limits. Authenticated attackers can supply thousands of nested parentheses in the filter query parameter to exhaust memory and terminate the API process.

Weakness (CWE)

CWE-674

EPSS Score

0.37%

Probability of exploitation in next 30 days

30.6th percentile

References

https://github.com/go-vikunja/vikunja/security/advisories/GHSA-xxc3-xpmc-vmvr https://www.vulncheck.com/advisories/vikunja-before-2.6.0-denial-of-service-via-unbounded-filter-recursion

View on dbcve.org

Base CVE data derived from NVD (public domain). Enrichment by dbcve.org (CC-BY-4.0). Fetched via API.

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