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TI-2026-25963 Aliases CVE-2026-33580GHSA-9528-x887-j2fp

OpenClaw < 2026.3.28 - Brute Force Attack via Missing Rate Limiting on Webhook Shared Secret Authentication

Priority LOW 36CWE-307Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
Present
Impact type
Security bypass
Confidentiality · integrity · availability
Low · Low · None
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA and GitHub. Impact type from CWE-307.

Summary

OpenClaw before 2026.3.28 contains a missing rate limiting vulnerability in the Nextcloud Talk webhook authentication that allows attackers to brute-force weak shared secrets. Attackers who can reach the webhook endpoint can exploit this to forge inbound webhook events by repeatedly attempting authentication without throttling.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00371 31st percentileScored 2026-11-07
Fix Fixed OpenClaw (OpenClaw): 2026.3.28openclaw (npm): 2026.3.28

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Total

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 2026.3.282026.3.28Patch availableCNA
—openclaw (npm)before 2026.3.282026.3.28Patch availableGHSA-9528-x887-j2fp
  • OpenClaw VendorOpenClaw Affected before 2026.3.28 Fixed in 2026.3.28 Patch available CNA
  • openclaw (npm) Vendor— Affected before 2026.3.28 Fixed in 2026.3.28 Patch available GHSA-9528-x887-j2fp

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:openclaw:openclaw:*:*:*:*:*:node.js:*:*before 2026.3.28VulnerableOpenClaw
  • cpe:2.3:a:openclaw:openclaw:*:*:*:*:*:node.js:*:* Versions before 2026.3.28 Vulnerable ·OpenClaw

Remediation

  • Fix · CNA OpenClaw (OpenClaw) Fixed in 2026.3.28
  • Fix · GHSA-9528-x887-j2fp openclaw (npm) Fixed in 2026.3.28 Advisory →

Fixed in the same release

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

  • Release ·

    OpenClaw 2026.3.28

    7 records Highest priority Priority MEDIUM 1 MEDIUM, 6 LOW

    Other records, highest priority first

    • TI-2026-25962 OpenClaw < 2026.3.28 - Privilege Escalation via Missing Caller Scope Validation in Device Pair ApprovalPriority MEDIUM 44
    • TI-2026-26755 OpenClaw < 2026.3.28 - Incomplete WebSocket Session Termination on Device Removal and Token RevocationPriority LOW 39
    • TI-2026-25960 OpenClaw < 2026.3.28 - Insufficient Scope Validation in node.pair.approvePriority LOW 39
    Show all 7 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-33580
  2. 2026-10-03 Alias added: GHSA-9528-x887-j2fp

References

Patch 1

Advisory 2

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-2026-27766 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