CVE-2026-86716

HighCVSS 7.3/10Last modified Sep 8, 2026

Description

A vulnerability was determined in Cesanta mJS up to 1.26. Affected is the function skip_spaces_and_comments of the file src/mjs_tok.c. Executing a manipulation can lead to heap-based buffer overflow. The attack can be launched remotely. The exploit has been publicly disclosed and may be utilized. The project was informed of the problem early through an issue report but has not responded yet.

Metrics

CVSS 3.1 7.3/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Sep 8, 2026
Last modified
Sep 8, 2026
NVD status
Deferred

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CVE-2026-86716: High severity, CVSS 7.3 | Vulnix