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CVE-2026-79756— Nuclio: Unauthenticated OS command injection via namespace header in list-all resource path on local platform

Quick assessment

Affected
nuclio nuclio
Exploitation
High exploitation probability; assess promptly
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Nuclio是nuclio组织的一个高性能无服务器计算平台。 Nuclio 1.17.4之前版本存在命令注入漏洞，该漏洞源于list-all资源路径中resourceNamespace参数未加引号拼接至/bin/sh -c shell命令，未经身份验证的攻击者可通过X-Nuclio-Function-Namespace、X-Nuclio-Project-Namespace或X-Nuclio-Function-Event-Namespace HTTP标头注入shell元字符，导致OS命令注入，从而在dash

CVSS 8.7 · High EPSS 7.52% · P94

Affected Version Matrix 1

VendorProduct Version RangeStatus
nuclio nuclio < 1.17.4 affected
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I. Basic Information for CVE-2026-79756

Vulnerability Information
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Vulnerability Title
Nuclio: Unauthenticated OS command injection via namespace header in list-all resource path on local platform
Source: CVE Program / CVE List V5
Vulnerability Description
Nuclio is a "Serverless" framework for Real-Time Events and Data Processing. Prior to version 1.17.4, the fix for unauthenticated OS command injection in the nuclio dashboard on the local/Docker platform is incomplete. The fix added validateFunctionName for function names and common.Quote() for the named-resource shell command path, but the list-all resource path (triggered when no specific resource name is provided) still interpolates the resourceNamespace parameter unquoted into a /bin/sh -c command string. An unauthenticated attacker can inject shell metacharacters via the X-Nuclio-Function-Namespace, X-Nuclio-Project-Namespace, or X-Nuclio-Function-Event-Namespace HTTP headers to achieve arbitrary command execution inside the dashboard container. This issue has been patched in version 1.17.4.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
OS命令中使用的特殊元素转义处理不恰当(OS命令注入)
Source: CVE Program / CVE List V5
Vulnerability Title
Nuclio 命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Nuclio是nuclio组织的一个高性能无服务器计算平台。 Nuclio 1.17.4之前版本存在命令注入漏洞，该漏洞源于list-all资源路径中resourceNamespace参数未加引号拼接至/bin/sh -c shell命令，未经身份验证的攻击者可通过X-Nuclio-Function-Namespace、X-Nuclio-Project-Namespace或X-Nuclio-Function-Event-Namespace HTTP标头注入shell元字符，导致OS命令注入，从而在dash
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
nuclio nuclio < 1.17.4 -

II. Public POCs for CVE-2026-79756

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III. Intelligence Information for CVE-2026-79756

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Patches & Fixes for CVE-2026-79756 (2)

Vendor Advisories for CVE-2026-79756 (1)

Vendor Pages for CVE-2026-79756 (1)

Same Patch Batch · nuclio · 2026-09-02 · 7 CVEs total

CVE-2026-45730 8.3 HIGH Nuclio: Missing authorization on project write paths allows any authenticated user to modi
CVE-2026-52833 8.0 HIGH Nuclio: Unsanitized runtimeAttributes.repositories injected into Groovy build.gradle leads
CVE-2026-52831 8.0 HIGH Nuclio: Unsanitized cron trigger event headers/body injected into CronJob shell command le
CVE-2026-79755 8.0 HIGH Nuclio: Unauthenticated OS command injection via function namespace in docker ps --filter
CVE-2026-79754 7.1 HIGH Nuclio: Kaniko build tempDir command injection
CVE-2026-52832 4.9 MEDIUM Nuclio: Unauthenticated path traversal in spec.handler allows arbitrary file write in Dash

IV. Related Vulnerabilities

Same product: nuclio
Same vendor: nuclio
Same weakness: CWE-78

V. Comments for CVE-2026-79756

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