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CVE-2026-22822— External Secrets Operator insecurely retrieves secrets through the getSecretKey templating function

Quick assessment

Affected
external-secrets external-secrets
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.

External Secrets是External Secrets开源的一个 Kubernetes 相关应用程序。 External Secrets 0.20.2版本至1.2.0之前版本存在安全漏洞，该漏洞源于getSecretKey模板函数能够跨命名空间获取密钥并绕过安全机制，可能导致权限提升。

AI Predicted 7.5 Difficulty: Easy EPSS 0.19% · P8

Affected Version Matrix 1

VendorProduct Version RangeStatus
external-secrets external-secrets >= 0.20.2, < 1.2.0 affected
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I. Basic Information for CVE-2026-22822

Vulnerability Information
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Vulnerability Title
External Secrets Operator insecurely retrieves secrets through the getSecretKey templating function
Source: CVE Program / CVE List V5
Vulnerability Description
External Secrets Operator reads information from a third-party service and automatically injects the values as Kubernetes Secrets. Starting in version 0.20.2 and prior to version 1.2.0, the `getSecretKey` template function, while introduced for senhasegura Devops Secrets Management (DSM) provider, has the ability to fetch secrets cross-namespaces with the roleBinding of the external-secrets controller, bypassing our security mechanisms. This function was completely removed in version 1.2.0, as everything done with that templating function can be done in a different way while respecting External Secrets Operator's safeguards As a workaround, use a policy engine such as Kubernetes, Kyverno, Kubewarden, or OPA to prevent the usage of `getSecretKey` in any ExternalSecret resource.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:L/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
授权机制不正确
Source: CVE Program / CVE List V5
Vulnerability Title
External Secrets 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
External Secrets是External Secrets开源的一个 Kubernetes 相关应用程序。 External Secrets 0.20.2版本至1.2.0之前版本存在安全漏洞，该漏洞源于getSecretKey模板函数能够跨命名空间获取密钥并绕过安全机制，可能导致权限提升。
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
external-secrets external-secrets >= 0.20.2, < 1.2.0 -

II. Public POCs for CVE-2026-22822

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III. Intelligence Information for CVE-2026-22822

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Vendor Advisories for CVE-2026-22822 (1)

IV. Related Vulnerabilities

Same product: external-secrets
Same vendor: external-secrets
Same weakness: CWE-863

V. Comments for CVE-2026-22822

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