🛡️ CVE-2026-54466 on npm (Root.io) — websocket-driver

Distribution advisory

This page covers CVE-2026-54466 as tracked by npm (Root.io), for the package websocket-driver. The fix is available in version 0.7.4-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. No user interaction is required. Rated impact: confidentiality none, integrity high, availability none. (rating taken from the base CVE record.)

CVSS metrics in full

The score comes from this vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:H/SA:N

• Attack vector: Network — reachable from anywhere that can route to the service.
• Attack complexity: Low — the attack works reliably, with no preparation.
• Attack requirements: None — no deployment-specific condition has to hold.
• Privileges required: None — an unauthenticated stranger can try it.
• User interaction: None — nobody has to be tricked into anything.
• Confidentiality impact: None.
• Integrity impact: High — total loss, or loss the attacker controls.
• Availability impact: None.

Weakness class

ROOT-APP-NPM-CVE-2026-54466 is classified as CWE-130: Improper Handling of Length Parameter Inconsistency. The product parses a formatted message or structure, but it does not handle or incorrectly handles a length field that is inconsistent with the actual length of the associated data.

Affected software

ROOT-APP-NPM-CVE-2026-54466 is recorded against 2 packages.

• @rootio/websocket-driver (fixed in 0.7.4-root.io.1)
• websocket-driver (fixed in 0.7.4-aikido.1)

Timeline and source

Published on 23 July 2026. No public exploit is currently recorded for this entry. Record sourced from OSV.

Same weakness in other software

These advisories are the same class of weakness (CWE-130: Improper Handling of Length Parameter Inconsistency) in other software:

• CVE-2026-14587 (7.5 High, published 5 Aug 2026)
• CVE-2026-67292 (6.5 Medium, published 1 Aug 2026)
• CVE-2026-62423 (5.5 Medium, published 28 Jul 2026)
• CVE-2026-62424 (5.5 Medium, published 28 Jul 2026)
• CVE-2026-26081 (4.8 Medium, published 20 Jul 2026)
• CVE-2026-60060 (6.3 Medium, published 17 Jul 2026)
• CVE-2026-54466 (9.5 Critical, published 15 Jul 2026)
• CVE-2026-33555 (5.0 Medium, published 30 Jun 2026)

Details

Affected Packages

References