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CVE-2026-90458

Vulnerability in OpenStack Ironic

CVSS score

5.4

EPSS probability

—

Risk score

0.5

Published

3 h ago

OverviewPublic Exploits (0)NewsroomVulnerability Timeline
Patch status has not yet been verified

Resmî kaynaklarda yeterli kanıt bulunamadı. Bu sonuç “yama yok” anlamına gelmez.

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Vulnerability description

DayBreach AI Explanation

Verified against sources

OpenStack Ironic vendor_passthru DELETE/GET vulnerability (CVE-2026-90458)

Sources read

1

Source agreement

Tam uyum

Evidence confidence

%53

Short explanation

OpenStack Ironic versions before 39.0.1 permit DELETE and GET operations through the vendor_passthru interface, enabling removal of accounts from a BMC’s Redfish service. The issue has a CVSS 5.4 (medium) score and is not listed in CISA’s KEV program.

Why does it matter?

Compromised BMC accounts can disrupt server management and affect infrastructure availability.

What should be done?

  • Monitor OpenStack security advisories for a fix
  • Apply vendor patches when released
  • Restrict or disable vendor_passthru functionality
  • Enforce network segmentation for Ironic endpoints
  • Implement strict authentication/authorization for API calls
Note on uncertainty

The sources give limited detail on some technical conditions. Review the chain of evidence below before deciding how to act.

Chain of evidence and sources2 verified claims

OpenStack Ironic 39.0.1 öncesi sürümler, vendor_passthru aracılığıyla DELETE ve GET isteklerine izin veriyor; bu, BMC Redfish hizmetindeki hesapların silinmesini mümkün kılıyor.

S0 · daybreach-canonicalS1 · cvelist

Yama durumu UNKNOWN olarak raporlanmış; CISA KEV listesinde aktif istismar bulunmamaktadır.

S0 · daybreach-canonical
Show the technical text from the sources

OpenStack Ironic before 39.0.1 allows DELETE and GET via vendor_passthru, e.g., to delete accounts from the BMC's Redfish service.

CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

CWE: CWE-1287

This explanation was compiled automatically from the source records. Scores, active exploitation, patch and exploit status come straight from the sources.

IMPACT: Affected Products and Software

Affected Products

The following products are affected by CVE-2026-90458 vulnerability. Where our threat engine knows the exact affected versions, they are listed below.

IDVENDORPRODUCTACTION
1openstackironic View
Total affected vendors: 1|Products: 1

RED HAT CSAF/VEX: Product Impact Check

Red Hat has not yet published a CSAF/VEX impact record for this CVE. This does not mean “not affected”.

SCORING: CVSS from Multiple Sources

CVSS Scores

The Common Vulnerability Scoring System is a standardised framework for assessing the severity of vulnerabilities in software and systems. We collect and display CVSS scores from several sources for each CVE.

SCOREVERSIONSEVERITYVECTORSOURCE
5.4CVSS V3_1MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:NCVE CNA
5.4CVSS V31MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:NNVD

Patch and Remediation Guide

Solution & Remediation Advisory

Patch status unknown

İncelenen resmî kaynaklarda yama durumu doğrulanamadı. Bu sonuç “yama yok” anlamına gelmez.

Confirm the affected product and version against the source evidence above.
Restrict access to internet-facing services and apply network segmentation.
Until a patch is confirmed, follow the vendor advisory; do not read an unknown status as “no patch”.
Monitor server logs and network endpoints for signs of anomalous execution.

Public exploit and active exploitation status

Verified exploit intelligence

No verified public PoC, exploit repository or Metasploit module has been found for this CVE yet.

Weakness Classification and Attack Patterns (CWE & CAPEC)

CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorises the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-90458 is associated with the following CWEs:

CWE-1287: Common Weakness Enumeration Entry CWE-1287

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-90458 weaknesses.

CAPEC-66: SQL InjectionCAPEC-126: Path TraversalCAPEC-28: OS Command Injection

Attack Vector and Accessibility

ExposureAğ üzerinden
PermissionsLow
UserGerekmiyor

Official Sources and Advisories

https://bugs.launchpad.net/ironic/+bug/2166507vendor-advisoryhttps://security.openstack.org/ossa/OSSA-2026-047.htmlvendor-advisoryhttp://www.openwall.com/lists/oss-security/2026/10/22/6nvd

CVSS Vector Radar Chart

5.4 / 10
Attack VectorNetworkComplexityLowPrivilegesLowUser Interact.NoneConfidentialityLowIntegrityNoneAvailabilityNone

Vulnerability Scoring Details

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredLow privileges
User InteractionNone required
Confidentiality (Gizlilik)Low
Integrity (Bütünlük)None
Availability (Erişilebilirlik)None

Yama durumu bilinmiyor

İncelenen resmî kaynaklarda yama durumu doğrulanamadı. Bu sonuç “yama yok” anlamına gelmez.

Follow the vendor

O
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Weakness Type (CWE & CAPEC)

CWE-1287

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CVE-2026-90458 · Vulnerability in OpenStack Ironic · DayBreach