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TI-2026-27727 Aliases CVE-2026-35626GHSA-rm59-992w-x2mv

OpenClaw < 2026.3.22 - Unauthenticated Resource Exhaustion via Voice Call Webhook

Priority LOW 37CWE-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 2026.3.22 contains an unauthenticated resource exhaustion vulnerability in voice call webhook handling that buffers request bodies before provider signature checks. Attackers can send large or malicious webhook requests to exhaust server resources without authentication by bypassing signature validation.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00513 43rd percentileScored 2026-11-07
Fix Fixed OpenClaw (OpenClaw): 2026.3.22openclaw (npm): 2026.3.22

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
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 2026.3.222026.3.22Patch availableCNA
—openclaw (npm)before 2026.3.222026.3.22Patch availableGHSA-rm59-992w-x2mv
  • OpenClaw VendorOpenClaw Affected before 2026.3.22 Fixed in 2026.3.22 Patch available CNA
  • openclaw (npm) Vendor— Affected before 2026.3.22 Fixed in 2026.3.22 Patch available GHSA-rm59-992w-x2mv

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:openclaw:openclaw:*:*:*:*:*:node.js:*:*before 2026.3.22VulnerableOpenClaw
  • cpe:2.3:a:openclaw:openclaw:*:*:*:*:*:node.js:*:* Versions before 2026.3.22 Vulnerable ·OpenClaw

Remediation

  • Fix · CNA OpenClaw (OpenClaw) Fixed in 2026.3.22
  • Fix · GHSA-rm59-992w-x2mv openclaw (npm) Fixed in 2026.3.22 Advisory →

Fixed in the same release

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

  • Release ·

    OpenClaw 2026.3.22

    11 records Highest priority Priority MEDIUM 1 MEDIUM, 10 LOW

    Other records, highest priority first

    • TI-2026-27740 OpenClaw < 2026.3.22 - Privilege Escalation via device.pair.approve Scope ValidationPriority MEDIUM 40
    • TI-2026-27739 OpenClaw < 2026.3.22 - Privilege Escalation via Self-Declared Scopes in Trusted-Proxy Control UIPriority LOW 39
    • TI-2026-27734 OpenClaw < 2026.3.22 - Unbounded Memory Allocation via Remote Media Error ResponsesPriority LOW 37
    Show all 11 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-35626
  2. 2026-10-03 Alias added: GHSA-rm59-992w-x2mv
  3. 2026-10-25 EPSS moved to the below the 50th percentile

References

Patch 2

Advisory 2

Other 1

  • 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-2026-27766 OpenClaw < 2026.3.24 - Denial of Service via Feishu Webhook Pre-Auth Body Parsing CVSS 4.0MEDIUM 6.9
  • 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
See all 574 →

Sources

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