Security Vulnerabilities
OpenClaw before 2026.4.8 contains a session management vulnerability where existing WebSocket sessions survive shared gateway token rotation. Attackers can maintain unauthorized access to WebSocket connections after token rotation by exploiting the failure to disconnect existing shared-token sessions.
CVSS Score
2.3
EPSS Score
0.0
Published
2026-04-28
OpenClaw before 2026.4.8 contains a role bypass vulnerability in the device.token.rotate function that allows minting tokens for unapproved roles. Attackers can bypass device role-upgrade pairing to preserve or mint roles and scopes that had not undergone intended approval.
CVSS Score
7.7
EPSS Score
0.0
Published
2026-04-28
OpenClaw before 2026.3.31 parses MS Teams webhook request bodies before performing JWT validation, allowing unauthenticated attackers to trigger resource exhaustion. Remote attackers can send malicious Teams webhook payloads to exhaust server resources by bypassing authentication checks.
CVSS Score
8.7
EPSS Score
0.002
Published
2026-04-28
OpenClaw before 2026.3.31 contains a sender allowlist bypass vulnerability that allows remote attackers to access restricted messages. Attackers can exploit fetched quoted, root, and thread context messages to bypass sender allowlist restrictions and retrieve unauthorized content.
CVSS Score
2.3
EPSS Score
0.0
Published
2026-04-28
OpenClaw before 2026.4.2 contains a timing side channel vulnerability in shared-secret comparison call sites that use early length-mismatch checks instead of fixed-length comparison helpers. Attackers can measure timing differences to leak secret-length information, weakening constant-time handling for shared secrets.
CVSS Score
6.3
EPSS Score
0.0
Published
2026-04-28
OpenClaw before 2026.3.31 contains a resource exhaustion vulnerability in media downloads that bypasses core safety limits for file size, count, and cleanup operations. Attackers can exhaust disk space by downloading media files without triggering intended safety restrictions, causing availability impact.
CVSS Score
2.3
EPSS Score
0.0
Published
2026-04-28
OpenClaw before 2026.4.8 omits owner-only enforcement for cross-channel allowlist writes in the /allowlist endpoint. An authorized non-owner sender can bypass access controls to perform allowlist modifications against different channels, violating the intended trust model.
CVSS Score
2.3
EPSS Score
0.001
Published
2026-04-28
OpenClaw before 2026.4.8 contains a filesystem policy bypass vulnerability in docx upload processing that allows local file reads outside workspace boundaries. Attackers can exploit upload_file and upload_image endpoints to access files beyond the intended workspace-only filesystem policy.
CVSS Score
6.0
EPSS Score
0.001
Published
2026-04-28
OpenClaw before 2026.4.8 contains a server-side request forgery policy bypass vulnerability allowing attackers to trigger navigations bypassing normal SSRF checks. Attackers can exploit browser interactions to bypass SSRF protections and access restricted resources.
CVSS Score
4.8
EPSS Score
0.0
Published
2026-04-28
OpenClaw before 2026.3.31 allows workspace .env files to override the OPENCLAW_BUNDLED_PLUGINS_DIR environment variable, compromising plugin trust verification. Attackers with control over workspace configuration can inject malicious plugins by overriding the bundled plugin trust root directory.
CVSS Score
8.5
EPSS Score
0.0
Published
2026-04-28