CVE-2026-55609sublinear-time-solver: Arbitrary file write in consciousness-explorer / sublinear-time-solver MCP export_state
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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sublinear-time-solver is a Rust and WebAssembly library for solving asymmetric diagonally dominant systems in sublinear time. Prior to consciousness-explorer 1.1.2 and sublinear-time-solver 1.6.0, the export_state and import_state tools in src/consciousness-explorer/mcp/server.js pass the attacker-controlled filepath parameter to filesystem operations in src/consciousness-explorer/index.js without restricting the destination or rejecting traversal. The saveVectorToFile and loadVectorFromFile tools in src/mcp/server.ts contain the same sink class through the file_path parameter. An attacker able to invoke the MCP tools can read, write, or overwrite any file accessible to the server process, causing confidentiality and integrity loss and possible service disruption. This issue is fixed in consciousness-explorer 1.1.2 and sublinear-time-solver 1.6.0.
- CVSS
- 7.1 HIGH (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
- Weakness (CWE)
- CWE-73
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- GitHub_M
- NVD analysis
- Deferred
- Record last updated
- Aug 26, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
ruvnet sublinear-time-solver ruvnet:sublinear_time_solver (from the name) | before 1.6.0 | CNA record |
References
- https://github.com/ruvnet/sublinear-time-solver/security/advisories/GHSA-xc9g-j69q-37xwx-refsource-confirm
- https://github.com/BruceJqs/public_exp/issues/32x-refsource-misc
- https://github.com/ruvnet/sublinear-time-solver/issues/19x-refsource-misc
- https://github.com/ruvnet/sublinear-time-solver/pull/20x-refsource-misc
- https://github.com/ruvnet/sublinear-time-solver/commit/a701296e363192be863e79d788fa268095e3d229x-refsource-misc
- https://github.com/ruvnet/sublinear-time-solver/commit/ea9a212b69e4449ec443fe088a7aec7546f70b4ax-refsource-misc
- https://github.com/ruvnet/sublinear-time-solver/releases/tag/v1.6.0x-refsource-misc
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.