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CVE-2025-14986— ExecuteMultiOperation Namespace Policy Bypass

Quick assessment

Affected
Temporal Temporal
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.

Temporal是temporal.io开源的一个持久化执行平台。 Temporal 1.24.0版本至1.29.1版本存在安全漏洞，该漏洞源于命名空间验证不当，可能导致绕过限制或策略。

AI Predicted 7.4 Difficulty: Easy EPSS 0.43% · P35

Possible ATT&CK Techniques 1 AI

T1078 · Valid Accounts
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I. Basic Information for CVE-2025-14986

Vulnerability Information
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Vulnerability Title
ExecuteMultiOperation Namespace Policy Bypass
Source: CVE Program / CVE List V5
Vulnerability Description
When frontend.enableExecuteMultiOperation is enabled, the server can apply namespace-scoped validation and feature gates for the embedded StartWorkflowExecutionRequest using its Namespace field rather than the outer, authorized ExecuteMultiOperationRequest.Namespace. This allows a caller authorized for one namespace to bypass that namespace's limits/policies by setting the embedded start request's namespace to a different namespace. The workflow is still created in the outer (authorized) namespace; only validation/gating is performed under the wrong namespace context. This issue affects Temporal: from 1.24.0 through 1.29.1. Fixed in 1.27.4, 1.28.2, 1.29.2.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/S:N/AU:Y/R:U/RE:L/U:Green
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制不正确
Source: CVE Program / CVE List V5
Vulnerability Title
Temporal 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Temporal是temporal.io开源的一个持久化执行平台。 Temporal 1.24.0版本至1.29.1版本存在安全漏洞，该漏洞源于命名空间验证不当，可能导致绕过限制或策略。
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
Temporal Temporal 1.24.0 ~ 1.29.1 -

II. Public POCs for CVE-2025-14986

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III. Intelligence Information for CVE-2025-14986

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Other References for CVE-2025-14986 (3)

IV. Related Vulnerabilities

Same product: Temporal
Same vendor: Temporal
Same weakness: CWE-863

V. Comments for CVE-2025-14986

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