CVEvulnerability
CVE-2026-52746
7.5 HIGH
Official page ↗
- Status
- Modified
- Published
- 2026-07-17
- Last modified
- 2026-10-24
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Weaknesses
- CWE-1333
Description
JSONata is a JSON query and transformation language. Prior to 2.2.0 and 1.8.9, malicious non-matching inputs to the $toMillis function can cause superlinear backtracking in the ISO-8601 validation regex, leading to denial of service in applications that evaluate user-provided JSONata expressions. This issue is fixed in version 2.2.0 and 1.8.9.
Affected configurations
• jsonata jsonata (< 2.2.0)
Related
Weakness · CWE (1)
- CWE-1333 Inefficient Regular Expression Complexity weakness
References
- https://github.com/jsonata-js/jsonata/commit/80ba95d170f74e3f20f4f36b8b77d8c85cea7686 Patch
- https://github.com/jsonata-js/jsonata/commit/d6ffc17cb16a8e53c222205bd274624e919cce0b Patch
- https://github.com/jsonata-js/jsonata/pull/782 Issue Tracking, Patch
- https://github.com/jsonata-js/jsonata/pull/793 Issue Tracking, Patch
- https://github.com/jsonata-js/jsonata/releases/tag/v1.8.9 github.com
- https://github.com/jsonata-js/jsonata/releases/tag/v2.2.0 Product, Release Notes
- https://github.com/jsonata-js/jsonata/security/advisories/GHSA-86vw-mfpg-wwv9 Patch, Vendor Advisory