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CVE-2026-53824— Mattermost plugin for OpenClaw < 2026.4.24 - Slash Token Revocation Lag via Monitor Refresh Delay

CVSS 6.5 · Medium EPSS 0.18% · P8

Possible ATT&CK Techniques 1AI

T1136 · Create Account

Affected Version Matrix 2

VendorProductVersion RangeStatus
OpenClawOpenClaw< 2026.4.24affected
2026.4.24unaffected
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I. Basic Information for CVE-2026-53824

Vulnerability Information
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Vulnerability Title
Mattermost plugin for OpenClaw < 2026.4.24 - Slash Token Revocation Lag via Monitor Refresh Delay
Source: CVE Program / CVE List V5
Vulnerability Description
OpenClaw before 2026.4.24 contains a token revocation vulnerability allowing callers with revoked slash tokens to continue executing commands during monitor refresh windows. Attackers can exploit stale token acceptance to invoke slash command behavior briefly after token revocation, potentially executing unauthorized actions depending on operator configuration.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
不充分的会话过期机制
Source: CVE Program / CVE List V5
Vulnerability Title
OpenClaw 会话机制问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
OpenClaw是OpenClaw团队开源的一个智能人工助理。 OpenClaw 2026.4.24之前版本存在会话机制问题漏洞，该漏洞源于令牌撤销机制问题，允许调用者使用已撤销的斜线令牌在监控刷新窗口期间继续执行命令，攻击者可利用此漏洞在令牌撤销后短暂执行未授权操作。
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 ~ 2026.4.24 -

II. Public POCs for CVE-2026-53824

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III. Intelligence Information for CVE-2026-53824

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Vendor Advisories for CVE-2026-53824 (2)

Same Patch Batch · OpenClaw · 2026-06-12 · 20 CVEs total

CVE-2026-538389.8 CRITICALOpenClaw < 2026.5.27 - Node Pairing State Mutation via Reconnection
CVE-2026-538228.8 HIGHOpenClaw < 2026.5.18 - Command Argument Modification via Shell Wrapper Between Approval an
CVE-2026-538368.8 HIGHOpenClaw < 2026.5.12 - Allowlist Bypass via PowerShell Encoded-Command Aliases
CVE-2026-538218.8 HIGHOpenClaw < 2026.5.18 - Scope Elevation in trusted-proxy Control UI WebSocket
CVE-2026-538288.8 HIGHOpenClaw < 2026.5.6 - Native Command Authorization Bypass via Owner-Command Enforcement
CVE-2026-538318.3 HIGHOpenClaw < 2026.5.18 - Arbitrary File Read via Shell Expansion in system.run Safe-bin Allo
CVE-2026-538238.1 HIGHOpenClaw < 2026.5.3 - Privilege Escalation via Mutable Slack Display Names in allowFrom
CVE-2026-538298.0 HIGHOpenClaw < 2026.5.18 - Command Truncation in Exec Approval Display
CVE-2026-538337.7 HIGHQQBot for OpenClaw < 2026.4.29 - Authorization Bypass via QQBot Streaming Command
CVE-2026-538327.7 HIGHOpenClaw < 2026.5.18 - Identity Header Forgery via Trusted-Proxy Configuration
CVE-2026-538347.5 HIGHOpenClaw < 2026.4.27 - Authorization Bypass in QQBot Pre-dispatch Slash Commands
CVE-2026-538206.6 MEDIUMOpenClaw < 2026.5.12 - Exec Denylist Bypass in Bundle MCP Loopback Session Spawn
CVE-2026-538276.5 MEDIUMOpenClaw < 2026.5.2 - Credential Exposure via Model-Supplied Loopback URLs in message.acti
CVE-2026-538256.5 MEDIUMOpenClaw < 2026.4.7 - Arbitrary Local File Read via memory-wiki Ingest with operator.write
CVE-2026-538306.5 MEDIUMOpenClaw < 2026.4.22 - Webhook Secret Revocation Bypass via secrets.reload
CVE-2026-538396.5 MEDIUMOpenClaw < 2026.5.7 - Hostname Prefix Matching Bypass in Trusted Retry Endpoint Validation
CVE-2026-538264.3 MEDIUMOpenClaw < 2026.4.26 - Information Disclosure via Sandboxed Session Spawn
CVE-2026-538354.3 MEDIUMOpenClaw < 2026.5.6 - Config-Write Enforcement Bypass in Feishu Dynamic-Agent Bindings
CVE-2026-538373.7 LOWOpenClaw < 2026.5.6 - Missing Channel Type Validation in Mattermost Event Handlers

IV. Related Vulnerabilities

Same product: OpenClaw
Same vendor: OpenClaw
Same weakness: CWE-613

V. Comments for CVE-2026-53824

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