CVE-2026-59880
1 advisory.
npm/immutable CVE-2026-59880: high
Immutable: Hash-collision algorithmic complexity denial of service in Immutable.Map/Set
Action: Upgrade immutable to 3.8.4 or later.
npm i immutable@4.3.9npm i immutable@5.1.8npm i immutable@3.8.4Affected
| introduced | fixed | last affected |
|---|---|---|
| 4.0.0-beta.1 | 4.3.9 | - |
| 5.0.0-beta.1 | 5.1.8 | - |
| 0 | 3.8.4 | - |
Fixed versions
| 4.3.9 | 5.1.8 | 3.8.4 |
Sources
- osv: GHSA-xvcm-6775-5m9r
- https://github.com/immutable-js/immutable-js/security/advisories/GHSA-xvcm-6775-5m9r
- https://nvd.nist.gov/vuln/detail/CVE-2026-59880
- https://github.com/immutable-js/immutable-js/commit/3dd7e5655012597a41873e328bf9142a8901527b
- https://github.com/immutable-js/immutable-js/commit/e51d49fc612ded5ec4dfb94ff294d22074269b0f
- https://github.com/immutable-js/immutable-js
- https://github.com/immutable-js/immutable-js/releases/tag/v3.8.4
- https://github.com/immutable-js/immutable-js/releases/tag/v4.3.9
- https://github.com/immutable-js/immutable-js/releases/tag/v5.1.8
CVE-2026-59880 · published · modified · JSON