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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.

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 pr

CVSS 9.4 · Critical EPSS 0.33% · P27

Affected Version Matrix 3

VendorProduct Version RangeStatus
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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I. Basic Information for CVE-2026-94572

Vulnerability Information

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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

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III. Intelligence Information for CVE-2026-94572

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

Other References for CVE-2026-94572 (5)

IV. Related Vulnerabilities

Same product: Octavia
Same vendor: OpenStack
Same weakness: CWE-94

V. Comments for CVE-2026-94572

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