CVE-2026-104948 WarehousePG - Broken Access Control

WarehousePG (WHPG) 6.27.1 through 6.27.6 and 7.2.1 through 7.6.0 contain a broken access control caused by missing authorization checks in cluster expansion functions gp_expand_lock_catalog() and gp_expand_bump_version(), letting authenticated low-privileged users block catalog changes and disconnect sessions, exploit requires authenticated database role.

CVSS base score 7.1 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
View the NVD record ↗

Details

Type
Broken Access Control
Impact
Denial Of Service
CVSS vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Published
21 October 2026
Updated
22 October 2026
Weakness
CWE-862

Vendor fix

Update to the latest version beyond 7.6.0 where authorization checks are enforced.

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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