CVE-2026-56850
4.1
CVSS:3.0/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:N
Summary
A flaw in Node.js HTTPS Agent connection reuse can cause PFX object-array key collisions, allowing mutual TLS (mTLS) client identities to be reused across requests configured with different client certificates.
This vulnerability affects Node.js 26.x, 24.x, and 22.x.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| nodejs | node | 26.5.0 <= 26.5.0 | affected |
| nodejs | node | 24.18.0 <= 24.18.0 | affected |
| nodejs | node | 22.23.1 <= 22.23.1 | affected |
Weaknesses
- CWE-287: CWE-287 Improper Authentication - Generic
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: partial
References
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