CVE-2026-5724 Affecting temporal-fips package, versions <1.6.2-r6
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-CHAINGUARDLATEST-TEMPORALFIPS-16097403
- published17 Apr 2026
- disclosed10 Apr 2026
Introduced: 10 Apr 2026
NewCVE-2026-5724 (opens in a new tab)How to fix?
Upgrade Chainguard temporal-fips to version 1.6.2-r6 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream temporal-fips package and not the temporal-fips package as distributed by Chainguard.
See How to fix? for Chainguard relevant fixed versions and status.
The frontend gRPC server's streaming interceptor chain did not include the authorization interceptor. When a ClaimMapper and Authorizer are configured, unary RPCs enforce authentication and authorization, but the streaming AdminService/StreamWorkflowReplicationMessages endpoint accepted requests without credentials. This endpoint is registered on the same port as WorkflowService and cannot be disabled independently. An attacker with network access to the frontend port could open the replication stream without authentication. Data exfiltration is possible, but only when a configured replication target is correctly configured and the attacker has knowledge of the cluster configuration, as the history service validates cluster IDs and peer membership before returning replication data.
Temporal Cloud is not affected.