CVE-2026-41351— OpenClaw < 2026.3.31 - Webhook Replay Detection Bypass via Base64 Signature Re-encoding
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I. Basic Information for CVE-2026-41351
Vulnerability Information
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Vulnerability Title
OpenClaw < 2026.3.31 - Webhook Replay Detection Bypass via Base64 Signature Re-encoding
Source: NVD (National Vulnerability Database)
Vulnerability Description
OpenClaw before 2026.3.31 contains a replay detection bypass vulnerability in webhook signature handling that treats Base64 and Base64URL encoded signatures as distinct requests. Attackers can re-encode Telnyx webhook signatures to bypass replay detection while maintaining valid signature verification.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
使用捕获-重放进行的认证绕过
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 2026.3.31之前版本存在安全漏洞，该漏洞源于webhook签名处理中存在重放检测绕过漏洞，将Base64和Base64URL编码的签名视为不同请求，攻击者可重新编码Telnyx webhook签名以绕过重放检测，同时保持有效的签名验证。
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
II. Public POCs for CVE-2026-41351
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Same Patch Batch · OpenClaw · 2026-04-23 · 32 CVEs total
| CVE-2026-41349 | 8.8 HIGH | OpenClaw < 2026.3.28 - Agentic Consent Bypass via config.patch |
| CVE-2026-41352 | 8.8 HIGH | OpenClaw < 2026.3.31 - Remote Code Execution via Node Scope Gate Bypass |
| CVE-2026-41353 | 8.1 HIGH | OpenClaw < 2026.3.22 - allowProfiles Bypass via Profile Mutation and Runtime Selection |
| CVE-2026-41336 | 7.8 HIGH | OpenClaw < 2026.3.31 - Arbitrary Hook Code Execution via OPENCLAW_BUNDLED_HOOKS_DIR Enviro |
| CVE-2026-41342 | 7.3 HIGH | OpenClaw < 2026.3.28 - Unauthenticated Discovery Endpoint Credential Exfiltration via Remo |
| CVE-2026-41355 | 7.3 HIGH | OpenShell < 2026.3.28 - Arbitrary Code Execution via Mirror Mode Sandbox File Conversion |
| CVE-2026-41359 | 7.1 HIGH | OpenClaw < 2026.3.28 - Privilege Escalation via operator.write to Admin-Class Telegram Con |
| CVE-2026-41361 | 7.1 HIGH | OpenClaw < 2026.3.28 - SSRF Guard Bypass via IPv6 Special-Use Ranges |
| CVE-2026-41347 | 7.1 HIGH | OpenClaw < 2026.3.31 - Cross-Site Request Forgery via Missing Browser-Origin Validation in |
| CVE-2026-41360 | 6.7 MEDIUM | OpenClaw < 2026.4.2 - Approval Integrity Bypass in pnpm dlx Local Script Binding |
| CVE-2026-41334 | 6.5 MEDIUM | OpenClaw < 2026.3.31 - Decompression Bomb Denial of Service via Image Pixel-Limit Guard By |
| CVE-2026-41340 | 6.5 MEDIUM | OpenClaw < 2026.3.31 - Authentication Boundary Bypass via Telegram Legacy allowFrom Migrat |
| CVE-2026-41348 | 5.4 MEDIUM | OpenClaw < 2026.3.31 - Group DM Channel Allowlist Bypass via Discord Slash Commands |
| CVE-2026-41356 | 5.4 MEDIUM | OpenClaw < 2026.3.31 - Incomplete WebSocket Session Termination in device.token.rotate |
| CVE-2026-41909 | 5.4 MEDIUM | OpenClaw < 2026.4.20 - Improper Authorization in Paired-Device Pairing Actions |
| CVE-2026-41344 | 5.4 MEDIUM | OpenClaw < 2026.3.28 - Privilege Escalation via chat.send /verbose Parameter |
| CVE-2026-41358 | 5.4 MEDIUM | OpenClaw < 2026.4.2 - Sender Allowlist Bypass via Slack Thread Context |
| CVE-2026-41341 | 5.4 MEDIUM | OpenClaw < 2026.3.31 - Component Interaction Misclassification in Discord Extension |
| CVE-2026-41332 | 5.3 MEDIUM | OpenClaw < 2026.3.28 - Code Execution via Missing Environment Variable Blocklist |
| CVE-2026-41335 | 5.3 MEDIUM | OpenClaw < 2026.3.31 - Information Disclosure via Control UI Bootstrap JSON |
Showing top 20 of 32 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same product: OpenClaw
- CVE-2026-44118
OpenClaw < 2026.4.22 - Owner Context Spoofing via Bearer Tok - CVE-2026-44117
OpenClaw < 2026.4.20 - Server-Side Request Forgery in QQBot - CVE-2026-44116
OpenClaw < 2026.4.22 - Server-Side Request Forgery in Zalo P - CVE-2026-44115
OpenClaw < 2026.4.22 - Shell Expansion Bypass in Unquoted He - CVE-2026-44114
OpenClaw < 2026.4.20 - Environment Variable Namespace Collis
Same vendor: OpenClaw
- CVE-2026-44118
OpenClaw < 2026.4.22 - Owner Context Spoofing via Bearer Tok - CVE-2026-44116
OpenClaw < 2026.4.22 - Server-Side Request Forgery in Zalo P - CVE-2026-44117
OpenClaw < 2026.4.20 - Server-Side Request Forgery in QQBot - CVE-2026-44115
OpenClaw < 2026.4.22 - Shell Expansion Bypass in Unquoted He - CVE-2026-44114
OpenClaw < 2026.4.20 - Environment Variable Namespace Collis
Same weakness: CWE-294
- CVE-2026-35618
OpenClaw < 2026.3.23 - Replay Identity Drift via Query-Only - CVE-2026-34209
mppx: Tempo has a session close voucher bypass vulnerability - CVE-2026-32987
OpenClaw < 2026.3.13 - Bootstrap Setup Code Replay via Devic - CVE-2026-27855
Open-Xchange OX Dovecot Pro 安全漏洞 - CVE-2026-4583
Shenzhen HCC Technology MPOS M6 PLUS Bluetooth authenticatio
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