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.
Capgo - Information Disclosure via Unauthenticated /replication Endpoint
Problem type
Affected products
Capgo
< 12.128.2 - AFFECTED
12.128.2 - UNAFFECTED
References
https://github.com/Cap-go/capgo/security/advisories/GHSA-q6gm-xfwr-44f5
https://www.vulncheck.com/advisories/capgo-information-disclosure-via-unauthenticated-replication-endpoint
GitHub Security Advisories
GHSA-6fvp-3fgp-7pvf
Capgo before 12.128.2 contains an information disclosure vulnerability in the unauthenticated ...
https://github.com/advisories/GHSA-6fvp-3fgp-7pvfCapgo 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.
https://github.com/Cap-go/capgo/security/advisories/GHSA-q6gm-xfwr-44f5
https://nvd.nist.gov/vuln/detail/CVE-2026-56282
https://www.vulncheck.com/advisories/capgo-information-disclosure-via-unauthenticated-replication-endpoint
https://github.com/advisories/GHSA-6fvp-3fgp-7pvf
JSON source
https://cveawg.mitre.org/api/cve/CVE-2026-56282Click to expand
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"dateUpdated": "2026-06-20T15:24:44.716Z",
"dateReserved": "2026-06-20T01:51:24.919Z",
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"datePublic": "2026-03-03T00:00:00.000Z",
"title": "Capgo - Information Disclosure via Unauthenticated /replication Endpoint",
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"value": "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."
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