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Vulnerability record · CVE-2023-45277 · published 19 October 2023

CVE-2023-45277: Spaceapplications yamcs path traversal vulnerability

Spaceapplications · Yamcs

Yamcs 5.8.6 is vulnerable to directory traversal (issue 1 of 2). The vulnerability is in the storage functionality of the API and allows one to escape the base directory of the buckets, freely navigate system directories, and read arbitrary files.

7.5 CVSS 3.1 High EPSS 1.0% · top 38.5% CWE-22 · Path traversal
7.5CVSS 3.1 base score
1.0%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

Yamcs 5.8.6 is vulnerable to directory traversal (issue 1 of 2). The vulnerability is in the storage functionality of the API and allows one to escape the base directory of the buckets, freely navigate system directories, and read arbitrary files.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/yamcs/yamcs/compare/yamcs-5.8.6...yamcs-5.8.7 Patch
https://www.linkedin.com/pulse/yamcs-vulnerability-assessment-visionspace-technologies ExploitThird Party Advisory
https://github.com/yamcs/yamcs/compare/yamcs-5.8.6...yamcs-5.8.7 Patch
https://www.linkedin.com/pulse/yamcs-vulnerability-assessment-visionspace-technologies ExploitThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2023-45277), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.