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.
CVE-2025-14986
This low-severity CVE scores 1.3 under NVD CVSS v3. EPSS exploit probability: 0.0%, top 94% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
- Lower severity and no public exploit yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 1.3
- EG Score
- 1.3(medium)
- EG Risk
- —
- EPSS
- 34.0%
- KEV
- Not listed
Published
December 30, 2025
Last Modified
April 15, 2026
References (3)
- security@temporalhttps://github.com/temporalio/temporal/releases/tag/v1.27.4
- security@temporalhttps://github.com/temporalio/temporal/releases/tag/v1.28.2
- security@temporalhttps://github.com/temporalio/temporal/releases/tag/v1.29.2
Affected Packages
(1 across 1 ecosystem)
Go(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| go.temporal.io/server | — | 1.29.2 | — |
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 10× in last 7d / 44× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
Showing the most recent 100 of 119 total refreshes for this CVE.
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Related CVEs(same CWE)
Same CWE
10 shownCWE-863
Frequently asked(5)
What is CVE-2025-14986?
When was CVE-2025-14986 disclosed?
Is CVE-2025-14986 actively exploited?
What is the CVSS score of CVE-2025-14986?
How do I remediate CVE-2025-14986?
Dependency Blast Radius
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