CVE-2026-86716High· 7.3▾ MidnightPoC availableA 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. …
▾ Midnight zone — Critical, or high with PoC / in-the-wild
impact 40.2 · likelihood 0.1 · exploitation 12
A public proof-of-concept already exists for this vulnerability — see Exploit availability below.
Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake.
Exploit-prediction probability, daily snapshots since Sep 10.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via NVD
Exploit / PoC code exists
0.3%
0.3% → 0.6%
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.
Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Field changes observed since this record was first indexed.
Connected by shared product, vendor, weakness, or advisory.
CVE-2023-7104Medium· 5.5A vulnerability was found in SQLite SQLite3 up to 3.43.0 and classified as critical
CVE-2026-63626High· 8.8Mongoose is an embedded web server and network library
CVE-2025-11083Medium· 5.3A vulnerability has been found in GNU Binutils 2.45
CVE-2025-11495Low· 3.3A vulnerability was determined in GNU Binutils 2.45
CVE-2026-101003Medium· 5.3A weakness has been identified in Cesanta Mongoose up to 7.21
CVE-2026-73260High· 7.5Mongoose is an embedded web server and network library