CVE-2026-56282
Capgo - Information Disclosure via Unauthenticated /replication Endpoint
- State
- Published
- Severity
- 6.9 Medium
- Published
- Jun 20, 2026
- Updated
- Jun 23, 2026
- Reserved
- Jun 20, 2026
Description
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 6.9 Medium | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N | VulnCheck |
| 3.1 | 5.3 Medium | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N | VulnCheck |
Weaknesses
- CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
Affected Products
| Product | Versions |
|---|---|
CapgoCapgo |
|
References
- GHSA Advisory GHSA-q6gm-xfwr-44f5vendor-advisory
- VulnCheck Advisory: Capgo - Information Disclosure via Unauthenticated /replication Endpointthird-party-advisory
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