CVE-2026-6471 — PostgreSQL logical decoding can dlopen arbitrary file

CVE-2026-6471

PostgreSQL logical decoding can dlopen arbitrary file PUBLISHED

Description (CNA)

Missing authorization in PostgreSQL logical decoding allows a non-superuser holding REPLICATION privilege to dlopen any file visible to the operating system account running the server, via the choice of logical decoding plugin. This in turn runs arbitrary code as that account. Versions before PostgreSQL 18.6, 17.11, 16.15, 15.19, and 14.24 are affected.

Affected (CNA)

Vendor / product	Versions
n/a / PostgreSQL	affected 18 before 18.6; affected 17 before 17.11; affected 16 before 16.15; affected 15 before 15.19; affected 0 before 14.24

CWE

CWE-862

References

https://www.postgresql.org/support/security/CVE-2026-6471/

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.