Capgo – Information Disclosure via Unauthenticated /replication Endpoint_CVE-2026-56282

6.9 / 10

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

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.

Basic Information

ID CVE-2026-56282

Source VulnCheck

Published Jun 20, 2026 at 15:24

Affected Product

Vendor Capgo

Product Capgo

Affected Versions Capgo Capgo 0

CWE Classification

CWE-200

References

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    "published": "2026-06-20T15:24:44.716Z",
    "modified": "2026-06-20T15:24:44.716Z",
    "type": "cve",
    "title": "Capgo - Information Disclosure via Unauthenticated /replication Endpoint",
    "source": "VulnCheck",
    "references": "https://github.com/Cap-go/capgo/security/advisories/GHSA-q6gm-xfwr-44f5\nhttps://www.vulncheck.com/advisories/capgo-information-disclosure-via-unauthenticated-replication-endpoint",
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