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Vulnerabilities/CVE-2026-78155Public Intelligence Dossier
Source: ongres · Limited verification•Last verified: •Collection Degraded
CVE-2026-78155Unknown / EvaluatingCRITICAL (raw)CVSS 9.9CWE-426

privilege escalation in StackGres operator allows a low-privilege tenant who owns a database to gain administrator privileges

Published: 23 Aug 2026•Last updated: 12 Oct 2026, 09:40 PM IST•Source identifier: cve@gitlab.com
Dossier completeness: source-provided sections 2 / 3 · rule guidance not available. Missing source facts count as incomplete.
Official source
CISA KEV catalog
Unknown
KEV status was not determined.
CVSS score
9.9CRITICAL (raw)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Metric sourcecve@gitlab.com
EPSS probability
0.5%0.005
Percentile43rd
Weakness type
CWE-426
No further CWE recorded
Remediation
Patch status unknown
No fixed version or KB recorded

Why It Matters

Analysis dossier

Why It Matters

privilege escalation in StackGres operator allows a low-privilege tenant who owns a database to gain administrator privileges

SOC priority

High Severity / Review

Actively exploited

Unknown

Publicly disclosed

Unknown

Risk basis: SOC ecosystem technology relevance; CRITICAL severity; Critical CVSS without confirmed KEV exploitation

Affected Products & Remediation

1 source-backed product
Affected products and versions (source)
  • ongres stackgres · < 1.19.0 · NVD CPE · Source
Recorded patch / KBNot provided by source

Vendor or catalog guidance (source)

Not provided by source

Known exploitation (source facts)

Only what a source states. Unknown means no source has said either way; it is not "not exploited".

CISA KEV
Unknown
Exploited (source statement)
Unknown
Publicly disclosed (source)
Unknown

Suggested hunting (rule-based inference)

SecOps Signal recommendation (rule-based inference). These steps are hunting hypotheses from the vulnerability class; they do not state or imply that exploitation occurred here or anywhere.

No rule-based guidance for this vulnerability class

CISA KEV Record

CISA KEV status was not determined for this record.

Change History & Source Data

— No recorded material change

CNA / source
cve@gitlab.com
Record status · verification
UPDATED · NVD API
CPE
cpe:2.3:a:ongres:stackgres:*:*:*:*:*:kubernetes:*:*

Evidence & Provenance

2 public sources
gitlab.comSource recordnvd.nist.govSource record

Linked by the query's stored exact CVE association. Review required tables and validation status before use.

Detection Hunting Query
Target: DeviceTvmSoftwareVulnerabilities•Defender XDR
Detect endpoints exposed to CVE-2026-78155
Purpose: Exposure assessment (Category: Exposure Check)Why linked: Query metadata names CVE-2026-78155
DeviceTvmSoftwareVulnerabilities| where CveId == "CVE-2026-78155"| project DeviceId, DeviceName, OSPlatform, OSVersion, SoftwareVendor, SoftwareName, SoftwareVersion, CveId, VulnerabilitySeverityLevel, RecommendedSecurityUpdate, RecommendedSecurityUpdateId| sort by VulnerabilitySeverityLevel desc
Schema Checked · Not runtime validatedSource: SecOps Signal deterministic template · Limited verificationStatic screening: Passed structure and schema checks; tenant execution is not verified.
Open KQL Library

Correlated briefings

— No published briefing references this CVE

SecOps Signal surfaces public advisory facts only. A missing value means the source has not published it, not that your environment is unaffected. No tenant inventory is connected.