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CVE-2026-41296— OpenClaw < 2026.3.31 - Sandbox Escape via TOCTOU Race in Remote FS Bridge readFile

Quick assessment

Affected
OpenClaw OpenClaw
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

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，该漏洞源于远程文件系统桥接readFile函数存在竞争条件，可能导致绕过沙盒限制并读取任意文件。

CVSS 8.2 · High EPSS 0.33% · P23

Possible ATT&CK Techniques 1 AI

T1068 · Exploitation for Privilege Escalation
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I. Basic Information for CVE-2026-41296

Vulnerability Information
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Vulnerability Title
OpenClaw < 2026.3.31 - Sandbox Escape via TOCTOU Race in Remote FS Bridge readFile
Source: CVE Program / CVE List V5
Vulnerability Description
OpenClaw before 2026.3.31 contains a time-of-check-time-of-use race condition in the remote filesystem bridge readFile function that allows sandbox escape. Attackers can exploit the separate path validation and file read operations to bypass sandbox restrictions and read arbitrary files.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
检查时间与使用时间(TOCTOU)的竞争条件
Source: CVE Program / CVE List V5
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，该漏洞源于远程文件系统桥接readFile函数存在竞争条件，可能导致绕过沙盒限制并读取任意文件。
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

Vendor Product Affected Versions CPE Subscribe
OpenClaw OpenClaw 0 ~ 2026.3.31 -

II. Public POCs for CVE-2026-41296

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III. Intelligence Information for CVE-2026-41296

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Patches & Fixes for CVE-2026-41296 (1)

Same Patch Batch · OpenClaw · 2026-04-20 · 15 CVEs total

CVE-2026-41329 9.9 CRITICAL OpenClaw < 2026.3.31 - Sandbox Bypass via Heartbeat Context Inheritance and senderIsOwner
CVE-2026-41303 8.8 HIGH OpenClaw < 2026.3.28 - Authorization Bypass in Discord Text Approval Commands
CVE-2026-41294 8.6 HIGH OpenClaw < 2026.3.28 - Environment Variable Injection via CWD .env File
CVE-2026-41295 7.8 HIGH OpenClaw < 2026.4.2 - Untrusted Workspace Channel Shadow Code Execution during Built-in Ch
CVE-2026-41297 7.6 HIGH OpenClaw < 2026.3.31 - Server-Side Request Forgery via Marketplace Plugin Download Redirec
CVE-2026-41302 7.6 HIGH OpenClaw < 2026.3.31 - Server-Side Request Forgery via Unguarded fetch() in Marketplace Pl
CVE-2026-41299 7.1 HIGH OpenClaw < 2026.3.28 - Client Identity Spoofing in chat.send Gateway Provenance Guard
CVE-2026-41300 6.5 MEDIUM OpenClaw < 2026.3.31 - Preservation of Attacker-Discovered Endpoints in Remote Onboarding
CVE-2026-41389 5.8 MEDIUM OpenClaw 2026.4.7 < 2026.4.15 - Arbitrary File Read via Unvalidated Tool-Result Media Path
CVE-2026-40045 5.7 MEDIUM OpenClaw < 2026.4.2 - Cleartext Credential Transmission via Unencrypted WebSocket Gateway
CVE-2026-41298 5.4 MEDIUM OpenClaw < 2026.4.2 - Authorization Bypass in Session Termination Endpoint
CVE-2026-41301 5.3 MEDIUM OpenClaw 2026.3.22 < 2026.3.31 - Forged Nostr DM Pairing State Creation via Signature Veri
CVE-2026-41331 5.3 MEDIUM OpenClaw < 2026.3.31 - Resource Consumption via Unauthorized Telegram Audio Preflight Tran
CVE-2026-41330 4.4 MEDIUM OpenClaw < 2026.3.31 - Environment Variable Override via Host Exec Policy

IV. Related Vulnerabilities

Same product: OpenClaw
Same vendor: OpenClaw
Same weakness: CWE-367

V. Comments for CVE-2026-41296

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