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CVE-2026-104949

Quick assessment

Affected
EnterpriseDB WarehousePG
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

WarehousePG (WHPG) 6.27.1 至 6.27.6 以及 7.2.1 至 7.6.0 版本受 函数中缺失授权检查的漏洞影响（CWE-862）。在 WHPG 6 中，该函数名为 ，而 WHPG 7 保留了该名称作为别名。与其他用于添加或移除段（segment）的函数不同，该函数无需超级用户权限即可调用。任何能够建立实用模式（utility-mode）连接的低权限用户，均可利用此函数在尚未配置备用协调器的集群中，向 表添加伪造的备用协调器条目。此后，管理员将无法添加真实的备用协调器，除非由超级用户先移

CVSS 2.3 · Low

Possible ATT&CK Techniques 1 AI

T1068.002

Affected Version Matrix 2

VendorProduct Version RangeStatus
EnterpriseDB WarehousePG 6.27.1< 6.27.7 affected
7.2.1< 7.6.1 affected
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I. Basic Information for CVE-2026-104949

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
EnterpriseDB WarehousePG 6.27.1 ~ 6.27.7 -

II. Public POCs for CVE-2026-104949

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III. Intelligence Information for CVE-2026-104949

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Other References for CVE-2026-104949 (1)

Same Patch Batch · EnterpriseDB · 2026-10-21 · 3 CVEs total

CVE-2026-104948 7.1 HIGH WarehousePG 6.27-7.6 缺失授权漏洞
CVE-2026-104947 5.3 MEDIUM WarehousePG 7.2.1-7.6.0 缺少授权漏洞

IV. Related Vulnerabilities

Same product: WarehousePG
Same vendor: EnterpriseDB
Same weakness: CWE-862

V. Comments for CVE-2026-104949

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