CVE-2026-29063

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...

UBUNTU-CVE-2026-29063

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...

CVE-2026-29063 Immutable.js: Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution') in immutable

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...

GHSA-WF6X-7X77-MVGW Immutable is vulnerable to Prototype Pollution

Impact What kind of vulnerability is it? Who is impacted? A Prototype Pollution is possible in immutable via the mergeDeep, mergeDeepWith, merge, Map.toJS, and Map.toObject APIs. Affected APIs | API | Notes | | --------------------------------------- |...

PT-2026-23094

Name of the Vulnerable Software and Affected Versions Immutable.js versions prior to 3.8.3 Immutable.js versions prior to 4.3.7 Immutable.js versions prior to 5.1.5 Description A Prototype Pollution issue exists in Immutable.js through versions prior to 3.8.3, 4.3.7, and 5.1.5, specifically withi...