mrubyc

Records1All Threatist records

Exploited (KEV)0None in CISA KEV

CVSS critical0CVSS 9.0–10.0

CVSS high0CVSS 7.0–8.9

Exploited now

mrubyc records in CISA KEV

No mrubyc vulnerabilities are listed in CISA KEV.

1 record

TI-2026-59222 CVE-2026-86547 · GHSA-42q4-rvcw-q7wc

LOW 30

mrubyc through 4.0.0 contains a null pointer dereference vulnerability in the op_enter() handler in src/vm.c when processing untrusted bytecode.

CVSS 4.0MEDIUM 6.9 Local No auth No interaction EPSS 0.00184 Published 2026-09-09 No fix listed CWE-476