Code injection in OpenStack Octavia
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Partial Red Hat: 4 without a fix
Attack profile from CVSS 4.0 · CNA. Fix status from CNA and Red Hat. Impact type from CWE-94.
Summary
In OpenStack Octavia before 18.0.1, the Amphora provider driver did not validate the listener and pool tls_ciphers field for control characters. The value is written verbatim into the HAProxy configuration generated on the amphora, and thus an authenticated project member who owns a TLS-enabled load balancer can embed a newline and inject arbitrary HAProxy configuration directives. Only deployments using the Amphora provider are affected.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| OpenStack | Octavia | 6.0.0 to before 16.1.0; 17.0.0 to before 17.0.1; 18.0.0 to before 18.0.1 | 16.1.0, 17.0.1, 18.0.1 | Patch available | CNA |
- Octavia VendorOpenStack Affected 6.0.0 to before 16.1.0; 17.0.0 to before 17.0.1; 18.0.0 to before 18.0.1 Fixed in 16.1.0, 17.0.1, 18.0.1 Patch available CNA
Remediation
- Fix · CNA Octavia (OpenStack) Fixed in 16.1.0, 17.0.1, 18.0.1
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Advisory ·
OpenStack Octavia — security.openstack.org/ossa/OSSA-2026-039.html
2 records Highest priority Priority HIGH 1 HIGH, 1 MEDIUM
Other records, highest priority first
- TI-2026-63466 Code injection in OpenStack OctaviaPriority MEDIUM 43
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat OpenStack Platform 13 (Queens) | Affected | No fix planned: Will not fix |
| Red Hat OpenStack Platform 16.2 | Affected | No fix planned: Will not fix |
| Red Hat OpenStack Platform 17.1 | Affected | No fix yet |
| Red Hat OpenStack Platform 18.0 | Affected | No fix yet |
Timeline
- 2026-10-02 Threatist record created from CVE-2026-94572
- 2026-10-03 Alias added: GHSA-xwpf-r3rp-gx2r
References
More OpenStack vulnerabilities
- TI-2026-78562 Incorrect authorization in OpenStack Manila share operations CVSS 3.1CRITICAL 9.9
- TI-2017-13226 The tcpmss_mangle_packet function in net/netfilter/xt_TCPMSS.c in the Linux kernel before… CVSS 3.1CRITICAL 9.8
- TI-2026-69629 OpenStack Mistral flaw lets users change other projects' resources CVSS 4.0HIGH 7.2
- TI-2026-69623 Command injection in OpenStack Mistral std.ssh_proxied action CVSS 4.0HIGH 8.7
- TI-2022-17779 Improper privilege management in OpenStack CVSS 3.1HIGH 8.8
- TI-2026-37300 Resource allocation without limits in OpenStack Ironic CVSS 3.1HIGH 7.5
Sources
- CVE-2026-94572 · CVE Program
- CVE-2026-94572 · NVD
- FIRST EPSS
- GHSA-xwpf-r3rp-gx2r · GitHub Advisory Database · CC BY 4.0
- CVE-2026-94572 · Red Hat security data · CC BY 4.0
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