CVE-2026-7645 ruvnet sublinear-time-solver MCP server.js export_state path traversal
Remote attackers can exploit a path traversal flaw in the export_state function of the sublinear-time-solver MCP server to read or modify arbitrary files.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-7645?
CVE-2026-7645 is a medium-severity path traversal vulnerability in ruvnet sublinear-time-solver, published on 2 May 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-22
Which versions are affected by CVE-2026-7645?
2 open source packages ship an affected version, including sublinear-time-solver.
| Package | Affected | Fixed in |
|---|---|---|
sublinear-time-solver npm | All versions to 1.5.0 | None |
sublinear-time-solver npm | All versions to 1.5.0 | None |
How do I fix CVE-2026-7645?
No fix has been published for CVE-2026-7645 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2026-7645 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-7645 exists.
Sources
Also known as GHSA-gc2j-wpjv-jhrw.