Yamcs Path Traversal vulnerability
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.
Affected software
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| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Java / Kotlin (Maven) | org.yamcs:yamcs | < 5.8.7 | 5.8.7 |
References
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N- Weakness (CWE)
CWE-22- Platform
- Java / Kotlin (Maven)
- Package
org.yamcs:yamcs- Disclosed
- 19.10.2023
- Updated
- 11.10.2026 11:22
Sources and licenses
OSV / GitHub Advisory Database - GHSA-w4m2-qmh3-2g8f - CC BY 4.0
Vulnerability history: org.yamcs:yamcs
All published vulnerabilities of this package (Java / Kotlin (Maven)), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 4
- First → latest
- 10.2023 10.2023
- Without a fix
- 0
- Exploited in attacks
- 0
Severity breakdown
- Critical 1
- High 1
- Medium 2
Disclosures per year
- 2023: 4
- 2024: 0
- 2025: 0
- 2026: 0
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Yamcs Path Traversal vulnerability this entry
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