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

Goal: 1000 CNY · Raised: 1000 CNY

100.0%
Buy Us a Coffee

CVE-2026-33580— OpenClaw < 2026.3.28 - Brute Force Attack via Missing Rate Limiting on Webhook Shared Secret Authentication

CVSS 6.5 · Medium EPSS 0.08% · P24
Get alerts for future matching vulnerabilitiesLog in to subscribe

I. Basic Information for CVE-2026-33580

Vulnerability Information
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Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.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
OpenClaw < 2026.3.28 - Brute Force Attack via Missing Rate Limiting on Webhook Shared Secret Authentication
Source: NVD (National Vulnerability Database)
Vulnerability Description
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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
过多认证尝试的限制不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
OpenClaw 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
OpenClaw是OpenClaw开源的一个智能人工助理。 OpenClaw 2026.3.28之前版本存在安全漏洞，该漏洞源于Nextcloud Talk webhook身份验证缺少速率限制，可能导致攻击者对弱共享密钥进行暴力破解。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
OpenClawOpenClaw 0 ~ 2026.3.28 -

II. Public POCs for CVE-2026-33580

#POC DescriptionSource LinkShenlong Link
AI-Generated POCPremium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2026-33580

请登录查看更多情报信息。

Same Patch Batch · OpenClaw · 2026-03-31 · 20 CVEs total

CVE-2026-335799.9 CRITICALOpenClaw < 2026.3.28 - Privilege Escalation via Missing Caller Scope Validation in Device
CVE-2026-329179.8 CRITICALOpenClaw < 2026.3.13 - Remote Command Injection via Unsanitized iMessage Attachment Paths
CVE-2026-329169.4 CRITICALOpenClaw 2026.3.7 < 2026.3.11 - Authorization Bypass in Plugin Subagent Routes via Synthet
CVE-2026-329208.4 HIGHOpenClaw < 2026.3.12 - Arbitrary Code Execution via Auto-Discovery of Workspace Plugins
CVE-2026-345048.3 HIGHOpenClaw < 2026.3.28 - Server-Side Request Forgery via Unguarded Image Download in fal Pro
CVE-2026-335778.1 HIGHOpenClaw < 2026.3.28 - Insufficient Scope Validation in node.pair.approve
CVE-2026-345038.1 HIGHOpenClaw < 2026.3.28 - Incomplete WebSocket Session Termination on Device Removal and Toke
CVE-2026-329827.5 HIGHOpenClaw < 2026.3.13 - Telegram Bot Token Exposure in Media Fetch Error Logs
CVE-2026-329887.5 HIGHOpenClaw < 2026.3.11 - Sandbox Boundary Bypass via Unvalidated Temporary File Creation
CVE-2026-329717.1 HIGHOpenClaw < 2026.3.11 - Node-Host Approval UI Mismatch Allows Execution of Unintended Comma
CVE-2026-329766.5 MEDIUMOpenClaw < 2026.3.11 - Account-Scoped configWrites Policy Bypass via Channel Commands
CVE-2026-345056.5 MEDIUMOpenClaw < 2026.3.12 - Webhook Rate Limiting Bypass via Pre-Authentication Secret Validati
CVE-2026-335766.5 MEDIUMOpenClaw < 2026.3.28 - Unauthorized Media Download via Zalo Channel
CVE-2026-335816.5 MEDIUMOpenClaw < 2026.3.24 - Arbitrary File Read via mediaUrl and fileUrl Parameters
CVE-2026-329776.3 MEDIUMOpenClaw < 2026.3.11 - Sandbox Boundary Bypass via Unanchored writeFile Commit Path
CVE-2026-329216.3 MEDIUMOpenClaw < 2026.3.8 - Script Content Modification via Mutable Operand Binding in system.ru
CVE-2026-345064.3 MEDIUMOpenClaw < 2026.3.8 - Sender Allowlist Bypass in Microsoft Teams Plugin via Route Allowlis
CVE-2026-335784.3 MEDIUMOpenClaw < 2026.3.28 - Sender Policy Allowlist Bypass via Policy Downgrade in Google Chat
CVE-2026-329702.5 LOWOpenClaw < 2026.3.11 - Credential Fallback Logic Bypass via Unavailable Local Auth SecretR

IV. Related Vulnerabilities

Same product: OpenClaw
Same vendor: OpenClaw
Same weakness: CWE-307

V. Comments for CVE-2026-33580

No comments yet

Leave a comment