The Bevy Event service through 2025-07-22, as used for eBay Seller Events and other activities, allows account takeover, if SSO is used, when a victim changes the email address that they have configured. To exploit this, an attacker would create their own account and perform an SSO login. The root cause of the issue is SSO misconfiguration.
Conclusion & alert: CVE-2025-54599 is rated Exploit Available (51.1/100): CVSS High severity, with low exploitation likelihood (EPSS 0.06%). Core evidence: 2 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 ↗ | |
| — | 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 | 2026-02-10 | 0.05% | 0.06% | +0.01% |
| 2 | 2026-01-29 | 0.06% | 0.05% | -0.01% |
| 3 | 2025-10-14 | — | 0.06% | — |
Full EPSS history (4 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.5 | 3.1 | HIGH |
|
3.9 | 3.6 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| bevy | events_and_groups | <= 2025-07-22 | cpe:2.3:a:bevy:events_and_groups:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://bevy.com/b/events-and-groups | Product |
| https://gist.github.com/deep1chil/558e8da919690a634bec684e7c4d0ffe | Exploit Third Party Advisory |
| https://www.youtube.com/watch?v=wbmIvA09Ra8 | Exploit |