What is the CVSS score of CVE-2025-46619?

CVE-2025-46619 has a CVSS 3.1 base score of 7.6 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:L. EPSS exploitation probability: 0.5%.

Which versions of Couchbase Server are affected by CVE-2025-46619?

Organizations using Couchbase Server face notable risk from CVE-2025-46619, a improper access control vulnerability rated CVSS 7.6. Exploitation could compromise the security of affected deployments.

How to fix or mitigate CVE-2025-46619?

Within 7 days: Identify all affected systems running Couchbase Server and apply vendor patches promptly. Monitor vendor channels for patch availability.

Couchbase Server CVE-2025-46619

HIGH

Improper Access Control (CWE-284)

2025-04-30 cve@mitre.org

Microsoft Authentication Bypass Couchbase Server Windows

7.6

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.6 HIGH

AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:L

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:L

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

Low

Availability

Low

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 18:39 vuln.today

CVE Published

Apr 30, 2025 - 18:15 nvd

HIGH 7.6

DescriptionCVE.org

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.

AnalysisAI

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. Rated high severity (CVSS 7.6), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-284. 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. Affected products include: Couchbase Couchbase Server. Version information: before 7.6.4.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.