๐Ÿ” CVE Alert

CVE-2026-56282

MEDIUM 5.3

Capgo - Information Disclosure via Unauthenticated /replication Endpoint

CVSS Score
5.3
EPSS Score
0.0%
EPSS Percentile
0th

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.

CWE CWE-200
Vendor capgo
Product capgo
Published Jun 20, 2026
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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None

Affected Versions

Capgo / Capgo
0 < 12.128.2

References

NVD โ†— CVE.org โ†— EPSS Data โ†—
github.com: https://github.com/Cap-go/capgo/security/advisories/GHSA-q6gm-xfwr-44f5 vulncheck.com: https://www.vulncheck.com/advisories/capgo-information-disclosure-via-unauthenticated-replication-endpoint

Credits

๐Ÿ” Judel777