CVE-2026-58045
Last modified
CVE-2026-58045 is a medium-severity vulnerability rated 6.2/10 on the CVSS scale. A flaw in Node.js allows a spoofed `TypedArray` `byteLength` to trigger a reachable assertion in the synchronous `node:zlib` APIs, causing the entire process to crash. All 11 synchronous zlib functions are affected. Repeated exploitation of this condition can result in a denial of service. This vulnerability affects Node.js **22.x**, **24.x**, and **26.x**..
Description
A flaw in Node.js allows a spoofed `TypedArray` `byteLength` to trigger a reachable assertion in the synchronous `node:zlib` APIs, causing the entire process to crash. All 11 synchronous zlib functions are affected. Repeated exploitation of this condition can result in a denial of service. This vulnerability affects Node.js **22.x**, **24.x**, and **26.x**.
Metrics
CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| nodejs | node | >= 26.5.0, <= 26.5.0; >= 24.18.0, <= 24.18.0; >= 22.23.1, <= 22.23.1 |
References
Timeline
- Published
- Last Modified
- Status
- Received
Frequently Asked Questions
What is CVE-2026-58045?
How severe is CVE-2026-58045?
How do I fix CVE-2026-58045?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-5804An improper authentication vulnerability was discovered in t…8.4
- CVE-2026-58040An incomplete fix has been identified in Node.js: HTTPS Agen…6.3
- CVE-2026-58041A flaw in Node.js node:sqlite allows a stale StatementSyncIt…5.3
- CVE-2026-58042A flaw in Node.js can cause dns.resolveAny() Aborts the Node…5.9
- CVE-2026-58043A flaw in Node.js Permission Model enforcement can over-gran…7.5
- CVE-2026-58044A flaw in Node.js HTTP client can cause a request desynchron…3.7
- CVE-2026-58046Improper neutralization in the Plesk XML-RPC API allows a re…9.9
- CVE-2026-58047HTTP Smuggling in cPanel allows potential leak of credential…5.6
- CVE-2026-58048Improper preservation of SQL mode when renaming databases in…9.4
- CVE-2026-58049FFmpeg's RASC video decoder (decode_dlta in libavcodec/rasc.…8.8
- CVE-2026-5805A weakness has been identified in code-projects Easy Blog Si…7.3
- CVE-2026-58050libssh2 through 1.11.1 reads an attacker-controlled 32-bit a…7.5
Are you affected by CVE-2026-58045?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST