🛡️ CVE-2026-41650 on npm (Root.io) — fast-xml-parser

🟡 CVSS 5.0 — Medium ✅ No Known Exploit OSV
5.0
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

CVE-2026-41650 in @rootio/fast-xml-parser - Patched by Root Root has patched CVE-2026-41650 in the @rootio/fast-xml-parser package for Root:npm. Multiple fixed versions available.

Distribution advisory

This page covers CVE-2026-41650 as tracked by npm (Root.io), for the package fast-xml-parser. The fix is available in version 4.5.4-root.io.1; earlier versions remain affected.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs no privileges on the target. A user must be tricked into taking some action. The scope is changed, meaning a successful attack can affect components beyond the vulnerable one. Rated impact: confidentiality low, integrity low, availability none.

Affected software and timeline

Affected software: @rootio/fast-xml-parser (fixed in 4.5.4-root.io.1) and fast-xml-parser (fixed in 4.5.4-aikido.1). Published on 30 June 2026. No public exploit is currently recorded for this entry. Record sourced from OSV.

CVE-2026-41650 on other distributions

Each distribution ships its own build and its own fixed version. Pick the one you run:

Details

Severity MEDIUM
CVSS Score 5.0
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CWE N/A
Public Exploit ✅ No
Source OSV
Published 2026-06-30
Updated 2026-08-12
Modified 2026-06-30
Fix URL N/A

Affected Packages

Software From version Fixed in
@rootio/fast-xml-parser — 4.5.4-root.io.1
fast-xml-parser — 4.5.4-aikido.1

References

N/A

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