CVE-2026-66920
- Source
- https://cve.org/CVERecord?id=CVE-2026-66920
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-66920.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2026-66920
- Published
- 2026-07-28T12:57:21.098Z
- Modified
- 2026-07-30T04:03:32.500719028Z
- Severity
-
- 8.2 (High) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H CVSS Calculator
- Summary
- Pivotick - Stack Exhaustion Denial of Service via Deep or Cyclic Graph Data
- Details
-
Pivotick contains an uncontrolled-recursion vulnerability when processing caller-supplied graph and node data. The affected graph algorithms recursively traversed graph edges, while the JSON viewer recursively processed each level of a node’s data structure. A specially crafted graph containing an excessively long path, deeply nested properties, or circular object references could therefore exhaust the JavaScript call stack when Pivotick calculates a layout or displays a node in the inspection modal.
Successful exploitation may cause an uncaught exception, freeze the affected page, or crash the browser tab, resulting in a client-side denial of service. No confidentiality or integrity impact has been identified.
The patch replaces the recursive graph traversals with iterative stack-based implementations and limits the reachability calculation to 1,000,000 edge traversals. It also limits JSON rendering to 64 levels and detects circular references before descending further into an object.
- Database specific
{ "cna_assigner": "CIRCL", "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/66xxx/CVE-2026-66920.json", "cwe_ids": [ "CWE-400", "CWE-674" ] }- References