CVE-2026-81491: boxpositron with-context-mcp index.ts project_folder path traversal

Severity: high (CVSS 7.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-08-27 · updated 2026-08-28
Weakness: CWE-22

Description

A flaw has been found in boxpositron with-context-mcp up to 3.0.7. This affects the function ingest_notes/teleport_notes/sync_notes/project_folder of the file src/index.ts. Executing a manipulation can lead to path traversal. It is possible to launch the attack remotely. The exploit has been published and may be used. The project was informed of the problem early through an issue report but has not responded yet.

Affected products

boxpositron with-context-mcp: 3.0.0, 3.0.1, 3.0.2, 3.0.3, 3.0.4, 3.0.5 (+2)

References

http://github.com/boxpositron/with-context-mcp/issues/2
https://vuldb.com/cve/CVE-2026-81491
https://vuldb.com/submit/887138
https://vuldb.com/vuln/395981
https://vuldb.com/vuln/395981/cti

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