A security issue has been discovered in Couchbase Server before 7.6.4 and fixed in v.7.6.4 and v.7.2.7 for Windows that could allow unauthorized access to sensitive files. Depending on the level of privileges, this vulnerability may grant access to files such as /etc/passwd or /etc/shadow.
Conclusion & alert: CVE-2025-46619 is rated Moderate Risk (53.5/100): CVSS High severity, with medium exploitation likelihood (EPSS 0.49%). Mandatory action: Review affected assets and schedule remediation.
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 | 2026-02-24 | 0.15% | 0.49% | +0.33% |
| 2 | 2026-01-14 | 0.06% | 0.15% | +0.09% |
| 3 | 2025-10-01 | — | 0.06% | — |
Full EPSS history (6 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.6 | 3.1 | HIGH |
|
2.8 | 4.7 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| couchbase | couchbase_server | >= 2.0.0, < 7.2.7 | cpe:2.3:a:couchbase:couchbase_server:*:*:*:*:*:*:*:* |
| couchbase | couchbase_server | >= 7.6.0, < 7.6.4 | cpe:2.3:a:couchbase:couchbase_server:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://docs.couchbase.com/server/current/release-notes/relnotes.html | Release Notes |
| https://forums.couchbase.com/tags/security | Vendor Advisory |
| https://www.couchbase.com/alerts/ | Vendor Advisory |