CVE WatchOct 30, 2026

CVE-2026-104949

WarehousePG (WHPG) 6.27.1 through 6.27.6 and 7.2.1 through 7.6.0 are affected by a missing authorization vulnerability (CWE-862) in gp_add_c

CVSS

5.4

Medium

EPSS

0.2%

p14

KEV

—

Exploit Today

0-100

Published: Oct 21, 2026 · Last modified: Oct 30, 2026 · CWE-862

EPSS · 30d

0.2%EPSS · 30 days0.2%

2026-10-222026-11-07

Technical description

WarehousePG (WHPG) 6.27.1 through 6.27.6 and 7.2.1 through 7.6.0 are affected by a missing authorization vulnerability (CWE-862) in gp_add_coordinator_standby(). The function is named gp_add_master_standby() in WHPG 6, and WHPG 7 keeps that name as an alias. Unlike the other segment add and remove functions, it does not require superuser privileges. A low-privileged user who can open a utility-mode connection can use it to add a fake standby coordinator entry to gp_segment_configuration on a cluster that has no standby configured. Administrators then cannot add a real standby until a superuser removes the fake entry. User data is not exposed or modified.

Official references

www.enterprisedb.comhttps://www.enterprisedb.com/docs/security/advisories/cve2026104949/

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