CVE-2026-91968 — vikunja before 2.6.0 Denial of Service via unbounded filter recursion
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 limit…
Published: 2026-09-15 · CVSS: 7.1 · CVSS 4.0
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7