VULNERABILITY INTELLIGENCE
CVE-2025-8396
EPSS probability0.39%
CISA KEVNot currently listed
Published2025-09-15
Last modified2026-06-17
Description
Insufficiently specific bounds checking on authorization header could lead to denial of service in the Temporal server on all platforms due to excessive memory allocation.This issue affects all platforms and versions of OSS Server prior to 1.26.3, 1.27.3, and 1.28.1 (i.e., fixed in 1.26.3, 1.27.3, and 1.28.1 and later). Temporal Cloud services are not impacted.
Weakness classification
- security@temporal.io: CWE-770