# CVE-2026-94571

Auth'd tenant can inject HAProxy directives via Octavia Amphora L7 redirect, enabling RCE.

- Page: https://www.vulneraibility.com/cve/CVE-2026-94571
- CVSS: 9.4
- Known exploited: not in CISA KEV as of our last sync
- EPSS: 0.53% (percentile 45.3)
- CISA SSVC: exploitation none, automatable no, technical impact total (assessed 2026-09-22)
- Weakness: CWE-94
- Published: 2026-09-21

## Affected versions

- OpenStack Octavia: affected >= 0.8.0 and < 16.1.0; >= 17.0.0 and < 17.0.1; >= 18.0.0 and < 18.0.1

A version outside these ranges is not a statement that it is unaffected.

## Impact

Authenticated project member can inject arbitrary HAProxy directives via redirect_url/redirect_prefix, leading to remote code execution on Amphora load balancers.

## Action

Immediate action required

## Recommendation

Upgrade Octavia to 18.0.1+, restrict tenant privileges, audit LB configs

## References

- [other] https://bugs.launchpad.net/octavia/+bug/2162103
- [other] https://bugs.launchpad.net/octavia/+bug/2167565
- [other] https://bugs.debian.org/1148175
- [patch] https://opendev.org/openstack/octavia/commit/bad7074621562d90a38be4639c1ab3e245f5bf39
- [advisory] https://security.openstack.org/ossa/OSSA-2026-039.html
- [other] https://openwall.com/lists/oss-security/2026/09/21/6

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Summary, impact and action are written by the vulneraibility.com AI analysis pipeline from the CVE record, NVD, CISA and FIRST data; verify against the references.