A vulnerability was found in the Quay web application. Sessions in the Quay web application never expire. An attacker, able to gain access to a session, could use it to control or delete a user's container repository. Red Hat Quay 2 and 3 are vulnerable to this issue.
Conclusion & alert: CVE-2019-3867 is rated Low Risk (23.9/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.29%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
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 | 2026-06-15 | 0.11% | 0.29% | +0.19% |
| 2 | 2025-11-21 | 0.04% | 0.11% | +0.07% |
| 3 | 2025-11-18 | — | 0.04% | — |
Full EPSS history (8 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 4.1 | 3.1 | MEDIUM |
|
0.7 | 3.4 | [email protected] |
| 4.4 | 2.0 | MEDIUM |
|
3.4 | 6.4 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
redhat
|
low | — | https://access.redhat.com/security/cve/CVE-2019-3867 |
| URL | Tags |
|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=1772704 | Issue Tracking Mitigation Third Party Advisory |