GHSA-6qv6-q77g-7qm6 · Severity: critical · Ecosystem: pip — NVFLARE unsafe deserialization due to Pickle
NVFLARE, versions prior to 2.1.4, contains a vulnerability that deserialization of Untrusted Data due to Pickle usage may allow an unprivileged network attacker to cause Remote Code Execution, Denial Of Service, and Impact to both Confidentiality and Integrity.
Conclusion & alert: CVE-2022-34668 is rated High Exploit Risk (87.5/100): CVSS Critical severity, with high exploitation likelihood (EPSS 8.53%, 94th percentile). 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 |
|---|---|---|---|---|
| 51051 | exploit_db | edb | 2023-03-25 | 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 | 2026-06-29 | 8.23% | 8.53% | +0.30% |
| 2 | 2026-06-15 | 22.45% | 8.23% | -14.22% |
| 3 | 2026-03-26 | — | 22.45% | — |
Full EPSS history (22 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 9.8 | 3.1 | CRITICAL |
|
3.9 | 5.9 | [email protected] |
GHSA-6qv6-q77g-7qm6 · Severity: critical · Ecosystem: pip — NVFLARE unsafe deserialization due to Pickle