CVE-2026-38973

CVSS 4.4 MEDIUMEPSS 0.2%CWE-125

Vexday Risk Score

13Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 4.4EPSS 0.2%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

06 Jul 2026Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

mrubyc through release3.4.1 was found to contain an out-of-bounds read in builtin missing-method lookup inside mrbc_find_method().

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

Affected products

References