CVE-2026-58043

HighCVSS 8.4/10Last modified Oct 23, 2026

Description

A flaw in Node.js Permission Model enforcement can over-grant filesystem access across radix-tree prefix boundaries. Under `--permission`, an attacker who is granted access to one path can abuse boundary handling to read from or write to paths outside the intended filesystem allowlist. This vulnerability affects Node.js **main**, **22.x**, **24.x**, and **26.x**.

Metrics

CVSS 3.1 8.4/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Jul 30, 2026
Last modified
Oct 23, 2026
NVD status
Analyzed

Related CVEs from 2026

CVE-2026-580443.7A flaw in Node.js HTTP client can cause a request desynchronization for Node.js-based forwarding proxies that rebuild outbound headers from CVE-2026-580456.2A flaw in Node.js allows a spoofed `TypedArray` `byteLength` to trigger a reachable assertion in the synchronous `node:zlib` APIs, causing tCVE-2026-580469.9Improper neutralization in the Plesk XML-RPC API allows a remote authenticated low-privileged user to perform SQL injection and read arbitraCVE-2026-580475.6HTTP Smuggling in cPanel allows potential leak of credentials.CVE-2026-580489.4Improper preservation of SQL mode when renaming databases in cPanel allows execution of SQL in root context.CVE-2026-580498.6FFmpeg's RASC video decoder (decode_dlta in libavcodec/rasc.c) performs 32-bit reads and writes at the row cursor before the NEXT_LINE row-bCVE-2026-58057.3A weakness has been identified in code-projects Easy Blog Site up to 1.0. The impacted element is an unknown function of the file /users/conCVE-2026-580507.5libssh2 through 1.11.1 reads an attacker-controlled 32-bit attribute count from a publickey-subsystem response and uses it in the allocationCVE-2026-580516.5libssh2 through 1.11.1 grows its publickey list with SSH2_REALLOC but does not zero-initialize new entries before parsing populates them, soCVE-2026-580523.37-Zip for Windows through 26.01 fails to preserve the Mark-of-the-Web when extracting a crafted RAR5 archive, because its guard that suppresCVE-2026-580539.9Gitea act_runner with the Docker backend (through act 0.262.0) passes a workflow's container.options string to the Docker job container's HoCVE-2026-580555.4nghttp2's nghttpx proxy through 1.69.0 forwards an HTTP/1.1 Upgrade request that also carries a Content-Length header and body onto reusable
CVE-2026-58043: High severity, CVSS 8.4 | Vulnix