CVE-2026-52746
HIGHJSONata: Malicious inputs to "$toMillis" function can cause resource exhaustion
Title source: cnaDescription
JSONata is a JSON query and transformation language. Prior to 2.2.0, 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.
References (6)
Core 6
Core References
X_Refsource_Confirm x_refsource_confirm
https://github.com/jsonata-js/jsonata/security/advisories/GHSA-86vw-mfpg-wwv9
X_Refsource_Misc x_refsource_misc
https://github.com/jsonata-js/jsonata/pull/782
X_Refsource_Misc x_refsource_misc
https://github.com/jsonata-js/jsonata/pull/793
X_Refsource_Misc x_refsource_misc
https://github.com/jsonata-js/jsonata/commit/80ba95d170f74e3f20f4f36b8b77d8c85cea7686
X_Refsource_Misc x_refsource_misc
https://github.com/jsonata-js/jsonata/commit/d6ffc17cb16a8e53c222205bd274624e919cce0b
X_Refsource_Misc x_refsource_misc
https://github.com/jsonata-js/jsonata/releases/tag/v2.2.0
Scores
CVSS v3
7.5
EPSS
0.0038
EPSS Percentile
30.3%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
yes
Technical Impact
partial
Details
CWE
CWE-1333
Status
published
Products (2)
jsonata/jsonata
< 2.2.0
jsonata-js/jsonata
< 2.2.0
Published
Jul 17, 2026
Tracked Since
Jul 18, 2026