Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1336 CNY

100%
Buy Us a Coffee

CVE-2026-65654— temporalio/ringpop-go fails to enforce configured label limits on inbound membership gossip

Quick assessment

Affected
Temporal Technologies, Inc. temporalio/ringpop-go
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

github.com/temporalio/ringpop-go enforces configured LabelOptions limits when an application changes the local node's labels, but affected versions do not apply those limits to label maps received in SWIM membership changes. A network peer that can reach a liv

CVSS 8.7 · High EPSS 0.55% · P45

Affected Version Matrix 1

VendorProduct Version RangeStatus
Temporal Technologies, Inc. temporalio/ringpop-go 0.0.0-20160824133849-d0de5fe13330< 0.0.0-20260724173031-c317effcdc8b affected
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2026-65654

Vulnerability Information

Shenlong is analyzing...

Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
temporalio/ringpop-go fails to enforce configured label limits on inbound membership gossip
Source: CVE Program / CVE List V5
Vulnerability Description
github.com/temporalio/ringpop-go enforces configured LabelOptions limits when an application changes the local node's labels, but affected versions do not apply those limits to label maps received in SWIM membership changes. A network peer that can reach a live Ringpop TChannel listener can repeatedly submit changes for distinct member addresses containing label keys, values, or counts that exceed the receiver's configured limits. Accepted labels are retained in the member list and disseminated to peers, allowing memory and gossip-bandwidth consumption to exceed configured bounds and potentially making the hosting process unavailable. The fix validates peer-supplied label maps before they are retained or disseminated. Availability only; no confidentiality or integrity impact was identified.
Source: 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
Source: CVE Program / CVE List V5
Vulnerability Type
不加限制或调节的资源分配
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Temporal Technologies, Inc. temporalio/ringpop-go 0.0.0-20160824133849-d0de5fe13330 ~ 0.0.0-20260724173031-c317effcdc8b -

II. Public POCs for CVE-2026-65654

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2026-65654

请登录查看更多情报信息。

Patches & Fixes for CVE-2026-65654 (2)

Other References for CVE-2026-65654 (3)

Same Patch Batch · Temporal Technologies, Inc. · 2026-09-21 · 8 CVEs total

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-2026-65652 8.7 HIGH temporalio/tchannel-go malformed checksum type causes process termination
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 vendor: Temporal Technologies, Inc.
Same weakness: CWE-770

V. Comments for CVE-2026-65654

No comments yet

Leave a comment