GHSA-43fw-536j-w37j · Severity: critical · Ecosystem: maven — Yamcs API Directory Traversal vulnerability
Directory Traversal vulnerability in the storage functionality of the API in Yamcs 5.8.6 allows attackers to delete arbitrary files via crafted HTTP DELETE request.
Conclusion & alert: CVE-2023-45278 is rated High Exploit Risk (80.4/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 2.02%). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-05-30 | 2.44% | 2.02% | -0.42% |
| 2 | 2026-05-20 | 3.16% | 2.44% | -0.72% |
| 3 | 2026-05-12 | — | 3.16% | — |
Full EPSS history (19 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 9.1 | 3.1 | CRITICAL |
|
3.9 | 5.2 | [email protected] |
GHSA-43fw-536j-w37j · Severity: critical · Ecosystem: maven — Yamcs API Directory Traversal vulnerability
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| spaceapplications | yamcs | 5.8.6 | cpe:2.3:a:spaceapplications:yamcs:5.8.6:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| 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 | Exploit Third Party Advisory |