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[Security tracking] Feishu Webhook Pre-Authentication Rate-Limit Consumption Enables External Denial of Service (GHSA-jm8j-wwx3-97gc) #29154

@YLChen-007

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@YLChen-007

This issue tracks a private GitHub Security Advisory that is currently in triage.

  • Advisory: GHSA-jm8j-wwx3-97gc
  • Status: triage
  • Summary: Feishu Webhook Pre-Authentication Rate-Limit Consumption Enables External Denial of Service
  • Advisory updated: 2026-05-07T11:15:56Z

Technical details, proof-of-concept material, affected code paths, and exploitability notes are intentionally omitted from this public issue while the advisory remains under triage. Please coordinate remediation and disclosure in the private Security Advisory thread.

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    P2Medium — degraded but workaround existscomp/gatewayGateway runner, session dispatch, deliveryplatform/feishuFeishu / Lark adaptertype/securitySecurity vulnerability or hardening

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