PT-2026-88293 · Cesanta · Mjs

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CVE-2026-86716

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Published

2026-09-08

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Updated

2026-09-08

CVSS v3.1

7.3

High

VectorAV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
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.

Exploit

Fix

Heap Based Buffer Overflow

Buffer Overflow

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Weakness Enumeration

Related Identifiers

CVE-2026-86716

Affected Products

Mjs