CVE-2026-56282
MEDIUM
5.3
CVSS 3.1
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.
Metadata
Severity & Metrics
5.3
MEDIUM CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Affected products (1)
| Vendor | Product | Platform | Versions |
|---|---|---|---|
| Capgo | Capgo | — | 0 < 12.128.2, 12.128.2 |
Weakness (CWE)
| CWE | Source | Description |
|---|---|---|
| CWE-200 | cna | Exposure of Sensitive Information to an Unauthorized Actor |
CVSS scores (2)
| Score | Severity | Version | Source | Vector |
|---|---|---|---|---|
| 6.9 | MEDIUM | 4.0 | cna | 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 |
| 5.3 | MEDIUM | 3.1 | cna | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |
References (2)
- GHSA Advisory GHSA-q6gm-xfwr-44f5 https://github.com/Cap-go/capgo/security/advisories/GHSA-q6gm-xfwr-44f5
- VulnCheck Advisory: Capgo - Information Disclosure via Unauthenticated /replication Endpoint https://www.vulncheck.com/advisories/capgo-information-disclosure-via-unauthenticated-replication-endpoint