CVE-2026-86716

תיאור (מקור, אנגלית)

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.

מדדים

CVSS 3.1

7.3 (HIGH) מקור הציון: CNA CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

CVSS 4.0

5.5 (MEDIUM) מקור הציון: CNA CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS — סבירות ניצול

1% (אחוזון 000) נכון ל-11/10/2026

CWE

CWE-119, CWE-122

קישורים

• https://github.com/cesanta/mjs/
• https://github.com/cesanta/mjs/issues/324
• https://vuldb.com/cve/CVE-2026-86716
• https://vuldb.com/submit/910881
• https://vuldb.com/submit/910882
• https://vuldb.com/vuln/399773
• https://vuldb.com/vuln/399773/cti