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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: 2026-03-06 19:33
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 ?
8.7 (High)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
CWE
  • CWE-1321 - Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')
Assigner
References
Impacted products
Vendor Product Version
immutable-js immutable-js Affected: < 3.8.3
Affected: < 4.3.7
Affected: < 5.1.5
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2026-29063 (GCVE-0-2026-29063)

Vulnerability from cvelistv5 – Published: 2026-03-06 18:25 – Updated: 2026-03-06 19:33
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 ?
8.7 (High)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
CWE
  • CWE-1321 - Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')
Assigner
References
Impacted products
Vendor Product Version
immutable-js immutable-js Affected: < 3.8.3
Affected: < 4.3.7
Affected: < 5.1.5
Create a notification for this product.
Show details on NVD website
To clipboard 

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