CVE-2026-38976
HIGH
7.5
CVSS Score
Published: July 6, 2026 at 12:00 AM UTC
Updated: July 7, 2026 at 05:29 PM UTC
1 product affected across 1 vendorMrubyc
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Severity
HIGH7.5
Exploit prediction
EPSS 0.6%
SSVC
PoC
Description
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.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.
References (3)
Source: cverecord
https://github.com/mrubyc/mrubyc/issues/276Source: cverecord
https://github.com/mrubyc/mrubycSSVC — Action Prioritization
SSVCPoCAutomatablePartial impact
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
7.5HIGHCISA-ADP
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- HIGH
Vector?
Quick Info
StatusDEFERRED
CWE
CWE-476
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