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CVE-2026-105941— Kroxylicious-kms-provider-azure-key-vault-kms: streams for apache kafka kroxylicious: azure key vault ssrf exfiltrates bearer token via untrusted edek vaultname

Quick assessment

Affected
Red Hat streams for Apache Kafka 3
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.

Kroxylicious 中的 Azure Key Vault KMS 提供者会从通过 wire 反序列化的 EDEK 字节中接受未经信任的 ，且未进行格式验证，从而导致 SSRF 漏洞，使攻击者能够将代理的 Azure 承载令牌（bearer token）泄露到其控制的服务器上。攻击者利用该令牌向真实的 Key Vault 进行重放攻击，将彻底破坏整个记录加密的信任模型。

CVSS 8.1 · High
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I. Basic Information for CVE-2026-105941

Vulnerability Information
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Vulnerability Title
Kroxylicious-kms-provider-azure-key-vault-kms: streams for apache kafka kroxylicious: azure key vault ssrf exfiltrates bearer token via untrusted edek vaultname
Source: CVE Program / CVE List V5
Vulnerability Description
The Azure Key Vault KMS provider in Kroxylicious accepts an untrusted vaultName from wire-deserialized EDEK bytes without format validation, enabling SSRF that exfiltrates the proxy's Azure bearer token to an attacker-controlled host. Token replay against the real Key Vault defeats the entire record-encryption trust model.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
服务端请求伪造(SSRF)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Red Hat streams for Apache Kafka 3 - cpe:/a:redhat:amq_streams:3

II. Public POCs for CVE-2026-105941

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III. Intelligence Information for CVE-2026-105941

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Other References for CVE-2026-105941 (4)

Same Patch Batch · Red Hat · 2026-10-20 · 6 CVEs total

CVE-2026-105312 9.9 CRITICAL Console-operator: streams for apache kafka console: tenant-controlled container image on c
CVE-2026-105311 7.7 HIGH Console-operator: streams for apache kafka console: cross-namespace kafkauser secret exfil
CVE-2026-112177 7.3 HIGH Ghostscript: reintroduction of .charkeys -dsafer bypass in rhel 8
CVE-2026-113495 5.0 MEDIUM Cockpit-machines: rhsm access-token disclosure through image helper command-line arguments
CVE-2026-113496 5.0 MEDIUM Cockpit-machines: vnc console password disclosure through virt-xml command-line arguments

IV. Related Vulnerabilities

Same vendor: Red Hat
Same weakness: CWE-918

V. Comments for CVE-2026-105941

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