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Vulnerabilities/CVE-2026-19550Public Intelligence Dossier
Source: redhat · Limited verification•Last verified: •Collection Degraded
CVE-2026-19550Unknown / EvaluatingHIGH (raw)CVSS 8.2CWE-863

A flaw was found in FreeIPA

Published: 12 Aug 2026•Last updated: 15 Oct 2026, 11:47 AM IST•Source identifier: secalert@redhat.com
Dossier completeness: source-provided sections 2 / 3 · rule guidance available. Missing source facts count as incomplete.
Official source
CISA KEV catalog
Unknown
KEV status was not determined.
CVSS score
8.2HIGH (raw)
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N
Metric sourcesecalert@redhat.com
EPSS probability
0.4%0.004
Percentile30th
Weakness type
CWE-863
No further CWE recorded
Remediation
Patch status unknown
No fixed version or KB recorded

Why It Matters

Analysis dossier

Why It Matters

A flaw was found in FreeIPA. The trust-fetch-domains command is gated by a read-only permission on the trust object rather than a trust-administration permission, allowing an authenticated, non-privileged IPA user to trigger a privileged Active Directory trust refresh using an attacker-supplied server and credentials, resulting in unauthorized, attacker-controlled modification of trusted-domain and ID-range identity data in the IPA LDAP directory.

SOC priority

High

Actively exploited

Unknown

Publicly disclosed

Unknown

Risk basis: Microsoft or Microsoft-managed product relevance; HIGH severity; No confirmed exploitation signal in current enrichment

Affected Products & Remediation

2 source-backed products
Affected products and versions (source)
  • redhat enterprise linux · 7.0; 8.0; 9.0; 10.0 · NVD CPE · Source
  • freeipa freeipa · < 4.13.3 · 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.

Matched authorization-bypass (CWE-863)

Exposure

  1. Locate affected authorization controls and verify deployed versions.Telemetry: Application inventory · The source must identify the affected control. · Rule authorization-bypass

Exploitation evidence

  1. Review privileged operations performed by unexpected users on affected deployments.Telemetry: Application audit logs · Authorization anomalies can support a targeted hunt. · Rule authorization-bypass

Response

  1. Confirm the vendor mitigation and recheck access decisions.Telemetry: Application audit logs · Access testing verifies the local fix. · Rule authorization-bypass

CISA KEV Record

CISA KEV status was not determined for this record.

Change History & Source Data

— No recorded material change

CNA / source
secalert@redhat.com
Record status · verification
UPDATED · NVD API
CPE
cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*, cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*, cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*, cpe:2.3:o:redhat:enterprise_linux:10.0:*:*:*:*:*:*:*, cpe:2.3:a:freeipa:freeipa:*:*:*:*:*:*:*:*

Evidence & Provenance

3 public sources
access.redhat.comSource recordnvd.nist.govSource recordaccess.redhat.comSource 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-2026-19550
Purpose: Exposure assessment (Category: Exposure Check)Why linked: Query metadata names CVE-2026-19550
DeviceTvmSoftwareVulnerabilities| where CveId == "CVE-2026-19550"| 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.