Path Traversal Vulnerability in MCP Interface of Ruvnet Sublinear-Time-Solver
CVE-2026-7645

6.9MEDIUM

Key Information:

Vendor

Ruvnet

Status
Sublinear-time-solver
Vendor
CVE Published:
2 May 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-7645?

A path traversal vulnerability exists in the Ruvnet Sublinear-Time-Solver product, specifically within the MCP Interface. This issue arises from inadequate validation in the export_state function located in the src/consciousness-explorer/mcp/server.js file. Attackers can exploit this vulnerability remotely, leading to unauthorized file access within the affected system. The exploit has been made public, raising concerns about potential impacts. Despite early notification of the issue through a report, the project maintainers have yet to respond effectively.

Affected Version(s)

sublinear-time-solver 1.5.0

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-2026-7645 - Proof of Concept

References

https://vuldb.com/vuln/360757
vdb-entrytechnical-description
https://vuldb.com/vuln/360757/cti
signaturepermissions-required
https://vuldb.com/submit/806895
third-party-advisory

CVSS V4

Score:
6.9
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
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

BruceJqs (VulDB User)
VulDB CNA Team
.