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CVE-2026-52746

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.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:694a1444eab541114036d6529be2e51b3a3620ff357dd1220788346955e9abb0
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"product":"jsonata","vendor":"jsonata-js","versions":[{"status":"affected","version":">= 2.0.0, < 2.2.0"},{"status":"affected","version":"< 1.8.9"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:81cf5617f2ddf54ad06fed4a99fb4a48b65d0f57b76f4dfb950c846201b2c9d2 · sha256:8b4f595d65c85adc… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:81cf5617f2ddf54ad06fed4a99fb4a48b65d0f57b76f4dfb950c846201b2c9d2 · sha256:8b4f595d65c85adc… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-1333","description":"CWE-1333: Inefficient Regular Expression Complexity","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:81cf5617f2ddf54ad06fed4a99fb4a48b65d0f57b76f4dfb950c846201b2c9d2 · sha256:8b4f595d65c85adc… · /containers/cna/problemTypes/0/descriptions/0

Source references

7 source assertions
{"name":"https://github.com/jsonata-js/jsonata/commit/80ba95d170f74e3f20f4f36b8b77d8c85cea7686","tags":["x_refsource_MISC"],"url":"https://github.com/jsonata-js/jsonata/commit/80ba95d170f74e3f20f4f36b8b77d8c85cea7686"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:81cf5617f2ddf54ad06fed4a99fb4a48b65d0f57b76f4dfb950c846201b2c9d2 · sha256:8b4f595d65c85adc… · /containers/cna/references/3
{"name":"https://github.com/jsonata-js/jsonata/commit/d6ffc17cb16a8e53c222205bd274624e919cce0b","tags":["x_refsource_MISC"],"url":"https://github.com/jsonata-js/jsonata/commit/d6ffc17cb16a8e53c222205bd274624e919cce0b"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:81cf5617f2ddf54ad06fed4a99fb4a48b65d0f57b76f4dfb950c846201b2c9d2 · sha256:8b4f595d65c85adc… · /containers/cna/references/4
{"name":"https://github.com/jsonata-js/jsonata/pull/782","tags":["x_refsource_MISC"],"url":"https://github.com/jsonata-js/jsonata/pull/782"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:81cf5617f2ddf54ad06fed4a99fb4a48b65d0f57b76f4dfb950c846201b2c9d2 · sha256:8b4f595d65c85adc… · /containers/cna/references/1
{"name":"https://github.com/jsonata-js/jsonata/pull/793","tags":["x_refsource_MISC"],"url":"https://github.com/jsonata-js/jsonata/pull/793"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:81cf5617f2ddf54ad06fed4a99fb4a48b65d0f57b76f4dfb950c846201b2c9d2 · sha256:8b4f595d65c85adc… · /containers/cna/references/2
{"name":"https://github.com/jsonata-js/jsonata/releases/tag/v1.8.9","tags":["x_refsource_MISC"],"url":"https://github.com/jsonata-js/jsonata/releases/tag/v1.8.9"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:81cf5617f2ddf54ad06fed4a99fb4a48b65d0f57b76f4dfb950c846201b2c9d2 · sha256:8b4f595d65c85adc… · /containers/cna/references/5
{"name":"https://github.com/jsonata-js/jsonata/releases/tag/v2.2.0","tags":["x_refsource_MISC"],"url":"https://github.com/jsonata-js/jsonata/releases/tag/v2.2.0"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:81cf5617f2ddf54ad06fed4a99fb4a48b65d0f57b76f4dfb950c846201b2c9d2 · sha256:8b4f595d65c85adc… · /containers/cna/references/6
{"name":"https://github.com/jsonata-js/jsonata/security/advisories/GHSA-86vw-mfpg-wwv9","tags":["x_refsource_CONFIRM"],"url":"https://github.com/jsonata-js/jsonata/security/advisories/GHSA-86vw-mfpg-wwv9"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:81cf5617f2ddf54ad06fed4a99fb4a48b65d0f57b76f4dfb950c846201b2c9d2 · sha256:8b4f595d65c85adc… · /containers/cna/references/0

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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