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CVE-2026-78155— Untrusted Search Path in StackGres

Quick assessment

Affected
OnGres StackGres
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.

OnGres StackGres是OnGres公司的一款数据库管理系统。 OnGres StackGres 1.18.8及之前版本存在权限许可和访问控制问题漏洞，该漏洞源于StackGres operator存在权限提升问题，可能导致拥有数据库的低权限租户获取管理员权限。

CVSS 9.9 · Critical EPSS 0.52% · P42

Possible ATT&CK Techniques 1 AI

T1068 · Exploitation for Privilege Escalation

Affected Version Matrix 1

VendorProduct Version RangeStatus
OnGres StackGres ≤ 1.18.8 affected
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I. Basic Information for CVE-2026-78155

Vulnerability Information
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Vulnerability Title
Untrusted Search Path in StackGres
Source: CVE Program / CVE List V5
Vulnerability Description
privilege escalation in StackGres operator allows a low-privilege tenant who owns a database to gain administrator privileges
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
不可信的搜索路径
Source: CVE Program / CVE List V5
Vulnerability Title
OnGres StackGres 权限许可和访问控制问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
OnGres StackGres是OnGres公司的一款数据库管理系统。 OnGres StackGres 1.18.8及之前版本存在权限许可和访问控制问题漏洞，该漏洞源于StackGres operator存在权限提升问题，可能导致拥有数据库的低权限租户获取管理员权限。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
OnGres StackGres 0 ~ 1.18.8 -

II. Public POCs for CVE-2026-78155

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III. Intelligence Information for CVE-2026-78155

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News Coverage for CVE-2026-78155 (1)

IV. Related Vulnerabilities

Same vendor: OnGres
Same weakness: CWE-426

V. Comments for CVE-2026-78155

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