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9.9

StackGres lets database user gain admin rights

CVE-2026-78155 · published 11 days ago
Summary

The StackGres management component can be tricked by a regular database user into obtaining full administrator access. This means a low‑level tenant could control the entire system and access data beyond their permission. Apply the latest StackGres update and follow the vendor’s guidance to tighten user privilege checks.

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software
VendorProductAffected versions
ongres stackgres <= 1.18.8
Original advisory text
privilege escalation in StackGres operator allows a low-privilege tenant who owns a database to gain administrator privileges
privilege escalation in StackGres operator allows a low-privilege tenant who owns a database to gain administrator privileges
References
Severity
9.9 Critical
CVSS 3.1: 9.9 (MITRE)
Exploitation
EPSS <1%
Type
CWE-426Untrusted Search Path
Timeline
Published23 Aug 2026
Updated29 Aug 2026
First seen23 Aug 2026
Sources
CVE-2026-78155 · NVD
CVE-2026-78155 · MITRE
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