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Medium severityOSV Advisory· Published Sep 15, 2025· Updated Jun 17, 2026

CVE-2025-8396

CVE-2025-8396

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected packages

Versions sourced from the GitHub Security Advisory.

PackageAffected versionsPatched versions
go.temporal.io/serverGo
< 1.26.31.26.3
go.temporal.io/serverGo
>= 1.27.0-126.0, < 1.27.31.27.3
go.temporal.io/serverGo
>= 1.28.0-129.0, < 1.28.11.28.1

Affected products

15

Patches

Vulnerability mechanics

References

5

News mentions

0

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