Path Traversal in Lspace-Io Lspace-Server

CVE-2026-19054

A vulnerability was detected in Lspace-io lspace-server up to 79f02fe5aa8970b210a6a05cf097155f8d9ffd71. This issue affects the function fileExists/readFile/writeFile/deleteFile of the file src/core/repository.ts of the component Repositories File API. Performing a manipulation of the argument filePath results in path traversal. The attack is only possible with local access. Continious delivery with rolling releases is used by this product. Therefore, no version details of affected nor updated releases are available. The project was informed of the problem early through an issue report but has not responded yet.

Vulnerability class: Path Traversal (Directory Traversal)

EPSS: 0.001 (3.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-19054?
CVE-2026-19054 is a medium-severity vulnerability in Lspace-Io Lspace-Server, classified under Path Traversal. CVSS score: 5.3/10. Published 2026-08-06.
How severe is CVE-2026-19054?
Medium severity. CVSS v3 base score is 5.3 out of 10.