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2 vulnerabilities found for immutable-js by immutable-js
CVE-2026-29063 (GCVE-0-2026-29063)
Vulnerability from nvd – Published: 2026-03-06 18:25 – Updated: 2026-07-02 12:04
VLAI
Title
Immutable.js: Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution') in immutable
Summary
Immutable.js provides many Persistent Immutable data structures. Prior to versions 3.8.3, 4.3.7, and 5.1.5, Prototype Pollution is possible in immutable via the mergeDeep(), mergeDeepWith(), merge(), Map.toJS(), and Map.toObject() APIs. This issue has been patched in versions 3.8.3, 4.3.7, and 5.1.5.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
59 references
Impacted products
64 products
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CVE-2026-29063 (GCVE-0-2026-29063)
Vulnerability from cvelistv5 – Published: 2026-03-06 18:25 – Updated: 2026-07-02 12:04
VLAI
Title
Immutable.js: Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution') in immutable
Summary
Immutable.js provides many Persistent Immutable data structures. Prior to versions 3.8.3, 4.3.7, and 5.1.5, Prototype Pollution is possible in immutable via the mergeDeep(), mergeDeepWith(), merge(), Map.toJS(), and Map.toObject() APIs. This issue has been patched in versions 3.8.3, 4.3.7, and 5.1.5.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
59 references
Impacted products
64 products
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"references": [
{
"name": "https://github.com/immutable-js/immutable-js/security/advisories/GHSA-wf6x-7x77-mvgw",
"tags": [
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],
"url": "https://github.com/immutable-js/immutable-js/security/advisories/GHSA-wf6x-7x77-mvgw"
},
{
"name": "https://github.com/immutable-js/immutable-js/releases/tag/v3.8.3",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/immutable-js/immutable-js/releases/tag/v3.8.3"
},
{
"name": "https://github.com/immutable-js/immutable-js/releases/tag/v4.3.8",
"tags": [
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],
"url": "https://github.com/immutable-js/immutable-js/releases/tag/v4.3.8"
},
{
"name": "https://github.com/immutable-js/immutable-js/releases/tag/v5.1.5",
"tags": [
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],
"url": "https://github.com/immutable-js/immutable-js/releases/tag/v5.1.5"
}
],
"source": {
"advisory": "GHSA-wf6x-7x77-mvgw",
"discovery": "UNKNOWN"
},
"title": "Immutable.js: Improperly Controlled Modification of Object Prototype Attributes (\u0027Prototype Pollution\u0027) in immutable"
}
},
"cveMetadata": {
"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"assignerShortName": "GitHub_M",
"cveId": "CVE-2026-29063",
"datePublished": "2026-03-06T18:25:22.438Z",
"dateReserved": "2026-03-03T20:51:43.481Z",
"dateUpdated": "2026-07-02T12:04:49.685Z",
"state": "PUBLISHED"
},
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"dataVersion": "5.2"
}