CVE-2025-14986
CVE-2025-14986 is a low-severity vulnerability with a CVSS 4.0 base score of 1.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-863.
Key facts
- Severity: Low (CVSS 4.0 base score 1.3)
- EPSS exploit prediction: 0% (33rd percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2025-205854
- Weakness: CWE-863
- Published:
- Last modified:
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.
Frequently asked questions
- What is CVE-2025-14986?
- 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.
- How severe is CVE-2025-14986?
- CVE-2025-14986 has a CVSS 4.0 base score of 1.3, rated low severity.
- Is CVE-2025-14986 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (33rd percentile), an estimate of the probability of exploitation in the next 30 days.
- How do I fix CVE-2025-14986?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2025-14986 have an EU (EUVD) identifier?
- Yes. CVE-2025-14986 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-205854.
- When was CVE-2025-14986 published?
- CVE-2025-14986 was published on 2025-12-30 and last updated on 2026-06-17.
References
- https://github.com/temporalio/temporal/releases/tag/v1.27.4
- https://github.com/temporalio/temporal/releases/tag/v1.28.2
- https://github.com/temporalio/temporal/releases/tag/v1.29.2
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