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TI-2026-27766 Aliases CVE-2026-35665GHSA-w6m8-cqvj-pg5v

OpenClaw < 2026.3.24 - Denial of Service via Feishu Webhook Pre-Auth Body Parsing

Priority HIGH 70CWE-405Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · Low
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA and GitHub. Impact type from CWE-400.

Summary

OpenClaw before 2026.3.24 contains an incomplete fix for CVE-2026-32011 where the Feishu webhook handler accepts request bodies with permissive limits of 1MB and 30-second timeout before signature verification. An unauthenticated attacker can exhaust server connection resources by sending concurrent slow HTTP POST requests to the Feishu webhook endpoint, blocking legitimate webhook deliveries.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00333 26th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed OpenClaw (OpenClaw): 2026.3.24openclaw (npm): 2026.3.24

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
OpenClawOpenClawbefore 2026.3.242026.3.24Patch availableCNA
—openclaw (npm)before 2026.3.242026.3.24Patch availableGHSA-w6m8-cqvj-pg5v
  • OpenClaw VendorOpenClaw Affected before 2026.3.24 Fixed in 2026.3.24 Patch available CNA
  • openclaw (npm) Vendor— Affected before 2026.3.24 Fixed in 2026.3.24 Patch available GHSA-w6m8-cqvj-pg5v

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:openclaw:openclaw:*:*:*:*:*:node.js:*:*before 2026.3.24VulnerableOpenClaw
  • cpe:2.3:a:openclaw:openclaw:*:*:*:*:*:node.js:*:* Versions before 2026.3.24 Vulnerable ·OpenClaw

Remediation

  • Fix · CNA OpenClaw (OpenClaw) Fixed in 2026.3.24
  • Fix · GHSA-w6m8-cqvj-pg5v openclaw (npm) Fixed in 2026.3.24 Advisory →

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    OpenClaw 2026.3.24

    8 records Highest priority Priority HIGH 3 HIGH, 1 MEDIUM, 4 LOW

    Other records, highest priority first

    • TI-2026-27742 OpenClaw < 2026.3.24 - Arbitrary Code Execution via .npmrc in Local Plugin/Hook InstallationPriority HIGH 72
    • TI-2026-27754 OpenClaw < 2026.3.24 - Incorrect Authorization in POST /reset-profile via browser.requestPriority HIGH 67
    • TI-2026-27769 OpenClaw < 2026.3.24 - Sandbox Media Root Bypass via Unnormalized mediaUrl and fileUrl ParametersPriority MEDIUM 64
    Show all 8 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-35665
  2. 2026-10-03 Alias added: GHSA-w6m8-cqvj-pg5v

References

Exploit 1

Advisory 1

Other 2

  • TI-2026-25309 OpenClaw < 2026.3.28 Media Parsing Path Traversal to Arbitrary File Read CVSS 4.0HIGH 8.7
  • TI-2026-20394 Exposure of resource to wrong sphere in OpenClaw CVSS 3.1HIGH 8.8
  • TI-2026-27742 OpenClaw < 2026.3.24 - Arbitrary Code Execution via .npmrc in Local Plugin/Hook Installation CVSS 4.0HIGH 8.4
  • TI-2026-07315 OpenClaw bluebubbles Webhook monitor.ts handleBlueBubblesWebhookRequest improper authentication CVSS 4.0MEDIUM 6.9
  • TI-2026-17789 OpenClaw < 2026.2.22 - Allowlist Bypass via Command Substitution in system.run CVSS 4.0HIGH 7.5
  • TI-2026-27754 OpenClaw < 2026.3.24 - Incorrect Authorization in POST /reset-profile via browser.request CVSS 4.0HIGH 7.2
See all 574 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences