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Intelligence for Africa and the Gulf

AEGLIX vulnerability intelligence

CVE-2026-43000

MEDIUM · CVSS 6.0 · Modified

Published: 2026-05-28 · Updated: 2026-10-26 · Source: NVD

Stored catalog record

Source record retrieved 2026-10-28T10:25:21.493608+00:00. Scheduled imports handle updates; this page does not assert that the provider was queried just now.

Vulnerability overview

An issue was discovered in OpenStack Keystone before 29.0.2. When combined with an application credential impersonation vulnerability, an attacker with the member role on a project can escalate to admin by chaining unrestricted application credentials with Keystone trusts. The impersonated token carries the victim's identity, which passes the trustor validation check. Keystone then validates the delegated roles against the victim's actual role assignments in the database, not the roles on the requesting token. This allows the attacker to create a trust delegating the victim's admin role to themselves. The trust persists independently, and additional trusts and application credentials can be created to maintain access. All actions are logged under the victim's identity.

Patch review priority

Assess exposure and vendor guidance

  • No higher-priority signal is available in the current stored evidence.

FIRST EPSS: 0.33% · percentile 25.7 · score date 2026-10-27.

EPSS estimates probability of exploitation in the next 30 days. It does not measure your exposure or prove exploitation. The elevated threshold is 10%; CISA KEV takes precedence. About FIRST EPSS ↗

Severity and scoring

CVSS score
6.0 · MEDIUM
CVSS version
3.1
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:L
Weaknesses
CWE-266, CWE-863

CVSS measures technical severity; it does not establish whether this vulnerability is being exploited in your environment.

Known exploitation and remediation

Not listed in the CISA catalog retrieved for this record. This does not establish that exploitation has not occurred.

Verify affected versions and patch availability in the vendor advisory before making changes.

Affected products and versions

  • cpe:2.3:a:openstack:keystone:*:*:*:*:*:*:*:*

    From (inclusive): 14.0.0

    Before (exclusive): 27.0.2

  • cpe:2.3:a:openstack:keystone:*:*:*:*:*:*:*:*

    From (inclusive): 28.0.0

    Before (exclusive): 28.0.2

  • cpe:2.3:a:openstack:keystone:*:*:*:*:*:*:*:*

    From (inclusive): 29.0.0

    Before (exclusive): 29.0.2

These are NVD CPE applicability entries. Some products depend on configuration conditions; consult the official record to confirm applicability.

Advisories and references

Explore official sources

Read the official NVD record ↗

Explore the CISA catalog ↗

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