immutable

Immutable Data Collections

Latest 5.1.9

NPM

92%

Total Score

Maintainer Stability

100

Maturity

100

Supply Chain

Attestations

100

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Health Score Breakdown

Token permissions

Two workflows omit top-level permissions and the release workflow declares write access, leaving workflow privileges broader than ideal; this is a configuration caution, though the separate workflow analysis found no dangerous execution patterns.

Vulnerabilities

Title	Versions	Severity
AIKIDO-2026-281048 immutable is vulnerable to Denial of Service (DoS) in versions 0.0.1 - 4.3.8 and 5.0.0 - 5.1.7.	0.0.1 - 4.3.85.0.0 - 5.1.7	High
AIKIDO-2026-428611 immutable is vulnerable to Denial of Service (DoS) in versions 0.0.1 - 4.3.8 and 5.0.0 - 5.1.7.	0.0.1 - 4.3.85.0.0 - 5.1.7	High
CVE-2026-29063 immutable is vulnerable to Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution') in versions 5.0.0 - 5.1.5, 4.0.0-rc.1 - 4.3.8 and 0.0.0 - 3.8.3.	0.0.0 - 3.8.34.0.0-rc.1 - 4.3.85.0.0 - 5.1.5	Critical