CVE-2026-94572

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-94572
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-09-21 21:17:22 UTC
Updated2026-09-21 21:17:22 UTC
DescriptionIn 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.

Risk And Classification

Primary CVSS: v4.0 9.4 CRITICAL from [email protected]

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Problem Types: CWE-94 | CWE-94 CWE-94 Improper Control of Generation of Code ('Code Injection')

VersionSourceTypeScoreSeverityVector
4.0[email protected]Secondary9.4CRITICALCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/C...
4.0CNACVSS9.4CRITICALCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

CVSS v4.0 Breakdown

Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
Low
User Interaction
None
Confidentiality
High
Integrity
High
Availability
High
Sub Conf.
High
Sub Integrity
High
Sub Availability
High

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA OpenStack Octavia affected 6.0.0 16.1.0 semver Not specified
CNA OpenStack Octavia affected 17.0.0 17.0.1 semver Not specified
CNA OpenStack Octavia affected 18.0.0 18.0.1 semver Not specified

References

ReferenceSourceLinkTags
bugs.launchpad.net/octavia/+bug/2167565 [email protected] bugs.launchpad.net
security.openstack.org/ossa/OSSA-2026-039.html [email protected] security.openstack.org
bugs.debian.org/1148175 [email protected] bugs.debian.org
bugs.launchpad.net/octavia/+bug/2162101 [email protected] bugs.launchpad.net
opendev.org/openstack/octavia/commit/cad62902e4984a46ad80cbfa943e90006d8d... [email protected] opendev.org
openwall.com/lists/oss-security/2026/09/21/6 [email protected] openwall.com
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