CVE-2026-61821 pg_partman - Broken Access Control

pg_partman prior to 5.5.0 contains a broken access control vulnerability caused by improper schema privilege checks in drop_partition_id() and drop_partition_time(), letting roles with partman_user access relocate child tables between schemas without proper authorization, exploit requires partman_user role access.

CVSS base score 8.5 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
0.38% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Broken Access Control
Impact
Broken Access Control
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N
Published
18 September 2026
Updated
15 October 2026
Weakness
CWE-862

Vendor fix

Upgrade to version 5.5.0 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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