vulnti.work

An issue was discovered in OpenStack Keystone before 29.0.2. POST /v3/credentials did not validate that the caller-supplied project_id for an EC2-type credential matched the project of the authentica…

High CVSS 7.9
CVECVE-2026-43001
First seen2026-07-15 16:15 UTC
Disclosed2026-05-01 09:16 UTC
Last updated2026-07-15 16:15 UTC
Channel statusauto

Summary

An issue was discovered in OpenStack Keystone before 29.0.2. POST /v3/credentials did not validate that the caller-supplied project_id for an EC2-type credential matched the project of the authenticating application credential. This allowed an attacker holding an unrestricted application credential for project A to create an EC2 credential targeting project B; a subsequent /v3/ec2tokens exchange would then issue a Keystone token scoped to project B while still carrying the original app_cred_id,…

In-depth triage · Auto channel

No in-depth report has been generated yet (DR-003 v2 AI pipeline is under construction).

Affected products

  • :
Lint boundary warnings (2)

The following non-blocking warnings were raised during the lint phase of this triage (e.g. reference URLs not yet on the allowlist). They do not affect entry usability and are disclosed for transparency (see DR-002).

  • REF_URL_NOT_ALLOWLISTED url not in allowlist: https://review.opendev.org/c/openstack/keystone/+/985804
  • REF_URL_NOT_ALLOWLISTED url not in allowlist: https://security.openstack.org/ossa/OSSA-2026-015.html

Sources

  • NVD DATABASE

Original Links

Timeline

  1. nvd_ingest NVD