CVE-2026-41242

CriticalCVSS 9.8/10Last modified Sep 9, 2026

Description

protobufjs compiles protobuf definitions into JavaScript (JS) functions. In versions prior to 8.0.1 and 7.5.5, attackers can inject arbitrary code in the "type" fields of protobuf definitions, which will then execute during object decoding using that definition. Versions 8.0.1 and 7.5.5 patch the issue.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Apr 18, 2026
Last modified
Sep 9, 2026
NVD status
Modified

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CVE-2026-41242: Critical severity, CVSS 9.8 | Vulnix