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Threatist priority CRITICAL 0 HIGH 0 MEDIUM 2 LOW 0

Signals Exploited in the wild (KEV) 0 Patch available 2 No fix listed 0 Has CVE 2

Fix status Fixed 0 Partial 2 Will not fix 0 Deferred 0 No fix listed 0

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Weakness (CWE) CWE-129 Improper Validation of Array Index 2

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Release: Temporal Technologies temporalio/tchannel-go 1.22.1-0.20260720194454-0cb017f6870a × Clear all filters

TI-2026-46800 CVE-2026-65653 · GHSA-vg3p-fxfm-m684

temporalio/tchannel-go zero-chunk call fragment causes process termination

Priority MEDIUM 45

github.com/temporalio/tchannel-go did not reject TChannel call fragments containing checksum metadata but no length-prefixed argument chunks.

CVSS 4.0HIGH 8.7· Network · No auth · No interaction · EPSS 0.0071 · Published 2026-09-21 · Partial fix · 1.22.1-0.20260720194454-0cb017f6870a CWE-129

TI-2026-46799 CVE-2026-65652 · GHSA-2mhp-wpjp-pjr8

temporalio/tchannel-go malformed checksum type causes process termination

Priority MEDIUM 45

github.com/temporalio/tchannel-go did not validate the one-byte checksum-type field in inbound TChannel call frames.

CVSS 4.0HIGH 8.7· Network · No auth · No interaction · EPSS 0.0071 · Published 2026-09-21 · Partial fix · 1.22.1-0.20260720194454-0cb017f6870a CWE-129

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