CVE-2026-56282
MediumCVSS 5.3Exploitation Probability (EPSS)
Low risk15th percentile — higher than 15% of all known CVEs
Summary
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.
Risk Assessment
Information disclosure regarding replication may allow attackers to conduct further attacks on the database infrastructure, increasing the risk of system compromise.
Recommendation
It is recommended to update Capgo to version 12.128.2 or later and secure the /replication endpoint against unauthorized access.
Original NVD description (English source)
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.