Denial of Service in johnhuang316 code-index-mcp Affected Product
CVE-2026-10692

5.3MEDIUM

Key Information:

Vendor

Johnhuang316

Status
Code-index-mcp
Vendor
CVE Published:
2 June 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-10692?

A vulnerability has been discovered in the johnhuang316 code-index-mcp component that affects the function responsible for safe regex pattern verification. This weakness can be exploited through the remote manipulation of the regex argument, resulting in inefficient regular expression complexity. Such an exploit poses a risk of denial of service. The issue has been made publicly available, and it is recommended that users upgrade to version 2.14.1, which includes a patch addressing this vulnerability.

Affected Version(s)

code-index-mcp 2.0

code-index-mcp 2.1

code-index-mcp 2.2

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-10692 - Proof of Concept

References

https://vuldb.com/vuln/367961
vdb-entrytechnical-description
https://vuldb.com/vuln/367961/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-10692
third-party-advisory

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

skywings (VulDB User)
.