CVE-2026-38976

CVSS 7.5 HIGHCWE-476

Vexday Risk Score

18Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 7.5EPSS —KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

06 Jul 2026Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

mrubyc through 3.4.1 was found to contain a NULL pointer dereference in src/vm.c in op_super() / OP_SUPER due to a missing runtime guard for top-level super.

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

Affected products

n/a · n/a

References

https://github.com/hayat01sh1da/mrubyc/commit/c4aa2a06bfdd13a0f1ae5165c5760a2530314a42 https://github.com/mrubyc/mrubyc https://github.com/mrubyc/mrubyc/issues/276