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CVE-2026-65652— temporalio/tchannel-go malformed checksum type causes process termination

一分钟漏洞结论

影响对象
Temporal Technologies, Inc. temporalio/tchannel-go
利用判断
尚无明确在野利用证据，仍需结合暴露面评估
建议动作
优先检查厂商安全公告和参考链接中的修复版本；无法立即升级时，限制受影响服务暴露并加强监测。

github.com/temporalio/tchannel-go did not validate the one-byte checksum-type field in inbound TChannel call frames. A network peer that can reach a listener can complete the standard initialization handshake and send a call request with an unsupported checksu

CVSS 8.7 · High EPSS 0.52% · P43

影响版本矩阵 1

厂商产品 版本范围状态
Temporal Technologies, Inc. temporalio/tchannel-go 0.0.0-20160105034737-a6904155f628< 1.22.1-0.20260720194454-0cb017f6870a affected
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一、 漏洞 CVE-2026-65652 基础信息

漏洞信息

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Vulnerability Title
temporalio/tchannel-go malformed checksum type causes process termination
来源: CVE Program / CVE List V5
Vulnerability Description
github.com/temporalio/tchannel-go did not validate the one-byte checksum-type field in inbound TChannel call frames. A network peer that can reach a listener can complete the standard initialization handshake and send a call request with an unsupported checksum type. The parser uses that value as an index into a four-entry checksum pool, causing an unrecovered Go panic on the connection read goroutine and terminating the hosting process. This allows remote denial of service against applications that expose the listener to untrusted peers. The impact is limited to availability; no confidentiality or integrity impact was identified.
来源: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
来源: CVE Program / CVE List V5
Vulnerability Type
对数组索引的验证不恰当
来源: CVE Program / CVE List V5

受影响产品

厂商 产品 影响版本 CPE 订阅
Temporal Technologies, Inc. temporalio/tchannel-go 0.0.0-20160105034737-a6904155f628 ~ 1.22.1-0.20260720194454-0cb017f6870a -

二、漏洞 CVE-2026-65652 的公开POC

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三、漏洞 CVE-2026-65652 的情报信息

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CVE-2026-65652 补丁与修复 (3)

CVE-2026-65652 其他参考 (3)

同批安全公告 · Temporal Technologies, Inc. · 2026-09-21 · 共 8 条

CVE-2026-89139 8.7 HIGH Temporal Server worker deployment compute provider executes a caller-supplied command on t
CVE-2026-65653 8.7 HIGH temporalio/tchannel-go zero-chunk call fragment causes process termination
CVE-2026-65654 8.7 HIGH temporalio/ringpop-go fails to enforce configured label limits on inbound membership gossi
CVE-2026-87858 7.2 HIGH Temporal Server completion callback source header can direct attacker-chosen requests to t
CVE-2026-16652 7.1 HIGH Temporal Server Schedule exclusion search can cause excessive CPU consumption
CVE-2026-16651 7.1 HIGH temporalio/sqlparser malformed MySQL version comments can cause a panic
CVE-2026-65651 6.0 MEDIUM temporalio/sqlparser deeply nested unary expressions can cause a fatal stack overflow duri

IV. Related Vulnerabilities

Same product: temporalio/tchannel-go
Same vendor: Temporal Technologies, Inc.
Same weakness: CWE-129

V. Comments for CVE-2026-65652

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