CVE-2026-56282

Capgo before 12.128.2 contains an information disclosure vulnerability in the unauthenticated /replication endpoint that exposes internal PostgreSQL replication telemetry including slot names and WAL LSN positions. Attackers can access this endpoint without authentication to retrieve sensitive infrastructure details such as replication slot names, confirmed_flush_lsn, restart_lsn values, and database error messages for reconnaissance purposes.

CVSS v3 5.3 MEDIUM

5.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 3.9 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://github.com/Cap-go/capgo/security/advisories/GHSA-q6gm-xfwr-44f5
https://www.vulncheck.com/advisories/capgo-information-disclosure-via-unauthenticated-replication-endpoint
https://github.com/Cap-go/capgo/security/advisories/GHSA-q6gm-xfwr-44f5

Configurations

No configuration.

History

No history.

Information

Published : 2026-06-20 16:17

Updated : 2026-06-23 04:17

NVD link : CVE-2026-56282

Mitre link : CVE-2026-56282

CVE.ORG link : CVE-2026-56282

JSON object : View

Products Affected

No product.

CWE

CWE-200

Exposure of Sensitive Information to an Unauthorized Actor

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