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CVE-2026-94572

Quick assessment

Affected

OpenStack Octavia

Exploitation

No confirmed in-the-wild exploitation; assess based on exposure

Recommended action

Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

在 OpenStack Octavia 18.0.1 版本之前，Amphora 提供程序驱动程序未对监听器（listener）和池（pool）的字段进行控制字符验证。该字段的值会被原样写入到在 Amphora 上生成的 HAProxy 配置文件中，因此，拥有启用 TLS 的负载均衡器的已认证项目成员可以嵌入换行符，从而注入任意的 HAProxy 配置指令。只有使用 Amphora 提供程序的部署环境会受到此漏洞影响。

CVSS 9.4 · Critical EPSS 0.53% · P46 Updated Sep 28, 2026

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 3

Vendor	Product	Version Range	Status
OpenStack	Octavia	`6.0.0< 16.1.0`	affected
		`17.0.0< 17.0.1`	affected
		`18.0.0< 18.0.1`	affected

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Vulnerability Information

Have questions about the vulnerability? See if Shenlong's analysis helps!

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Vulnerability Title

N/A

Source: CVE Program / CVE List V5

Vulnerability Description

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.

Source: CVE Program / CVE List V5

CVSS Information

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

Source: CVE Program / CVE List V5

Vulnerability Type

对生成代码的控制不恰当(代码注入)

Source: CVE Program / CVE List V5

Affected Products

Vendor	Product	Affected Versions	CPE	Subscribe
OpenStack	Octavia	6.0.0 ~ 16.1.0	-

II. Public POCs for CVE-2026-94572

#	POC Description	Source Link	Shenlong Link

AI-Generated POC Premium

No public POC found.

III. Intelligence Information for CVE-2026-94572

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Mailing List Discussions for CVE-2026-94572 (1)

🔗 oss-security - [OSSA-2026-039] OpenStack Octavia: HAProxy configuration injection leading to remote code execution in Octavia (CVE-2026-pending) Read full article mailing-list

Other References for CVE-2026-94572 (5)

🔗 403 Forbidden patch
🔗 Bug #2167565 “[OSSA-2026-039] Command Injection (RCE) on Octavia...” : Bugs : octavia Read full article issue-tracking
🔗 Bug #2162101 “[OSSA-2026-039] Octavia Pool tls_ciphers Permits H...” : Bugs : octavia Read full article issue-tracking
🔗 403 Forbidden vendor-advisory
🔗 #1148175 - Command Injection (RCE) on Octavia amphora via API (CVE-2026-94571, CVE-2026-94572) - Debian Bug report logs issue-tracking

https://www.cve.org/CVERecord?id=CVE-2026-94572

IV. Related Vulnerabilities

Same product: Octavia

Same vendor: OpenStack

Same weakness: CWE-94