CVE-2025-8396 Affecting temporal package, versions <1.4.1-r3
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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- published17 Sept 2025
- disclosed15 Sept 2025
Introduced: 15 Sep 2025
NewCVE-2025-8396 (opens in a new tab)How to fix?
Upgrade Chainguard temporal to version 1.4.1-r3 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream temporal package and not the temporal package as distributed by Chainguard.
See How to fix? for Chainguard relevant fixed versions and status.
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.