privilege escalation in StackGres operator allows a low-privilege tenant who owns a database to gain administrator privileges (CVE-2026-78155)
A critical privilege escalation vulnerability exists in the StackGres operator that allows a low-privilege tenant who owns a database to escalate their privileges to administrator level. This vulnerability has a CVSS score of 9.9, indicating a severe impact on confidentiality, integrity, and availability. No affected versions or patch information are currently provided.
AI Analysis
Technical Summary
CVE-2026-78155 is a critical privilege escalation vulnerability in the StackGres operator. It allows a tenant with low privileges who owns a database to gain administrator privileges, potentially compromising the entire system. The vulnerability is classified under CWE-426 (Untrusted Search Path), and has a CVSS v3.1 score of 9.9 with vector AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H, indicating network attack vector, low attack complexity, low privileges required, no user interaction, scope changed, and high impact on confidentiality, integrity, and availability. No patch or remediation information is currently available.
Potential Impact
An attacker with low privileges who owns a database can escalate to administrator privileges, leading to full system compromise including complete control over the StackGres operator environment. This impacts confidentiality, integrity, and availability at a critical level.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, restrict database ownership privileges and monitor for suspicious privilege escalations.
privilege escalation in StackGres operator allows a low-privilege tenant who owns a database to gain administrator privileges (CVE-2026-78155)
Description
A critical privilege escalation vulnerability exists in the StackGres operator that allows a low-privilege tenant who owns a database to escalate their privileges to administrator level. This vulnerability has a CVSS score of 9.9, indicating a severe impact on confidentiality, integrity, and availability. No affected versions or patch information are currently provided.
CVSS v3.1
Score 9.9critical
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-78155 is a critical privilege escalation vulnerability in the StackGres operator. It allows a tenant with low privileges who owns a database to gain administrator privileges, potentially compromising the entire system. The vulnerability is classified under CWE-426 (Untrusted Search Path), and has a CVSS v3.1 score of 9.9 with vector AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H, indicating network attack vector, low attack complexity, low privileges required, no user interaction, scope changed, and high impact on confidentiality, integrity, and availability. No patch or remediation information is currently available.
Potential Impact
An attacker with low privileges who owns a database can escalate to administrator privileges, leading to full system compromise including complete control over the StackGres operator environment. This impacts confidentiality, integrity, and availability at a critical level.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, restrict database ownership privileges and monitor for suspicious privilege escalations.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-gf36-c938-gjrw
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-78155"]
- Ecosystems
- []
- Database Specific Severity
- CRITICAL
- Cvss Version
- 3.1
Threat ID: 6a8af99cacd9273b49f32da3
Added to database: 08/23/2026, 13:46:04 UTC
Last enriched: 08/23/2026, 13:46:37 UTC
Last updated: 08/24/2026, 01:51:58 UTC
Views: 9
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