Security Vulnerabilities
OpenClaw before 2026.3.28 contains a webhook replay vulnerability in Plivo V3 signature verification that canonicalizes query ordering for signatures but hashes raw URLs for replay detection. Attackers can reorder query parameters to bypass replay cache detection and trigger duplicate voice-call processing with a captured valid signed webhook.
CVSS Score
8.2
EPSS Score
0.0
Published
2026-04-28
OpenClaw before 2026.3.31 contains an access control bypass vulnerability in the Discord voice manager that allows attackers to bypass channel-level member access allowlist restrictions. Attackers can send Discord voice ingress requests before channel allowlist authorization is performed, gaining unauthorized access to restricted voice channels.
CVSS Score
2.3
EPSS Score
0.0
Published
2026-04-28
OpenClaw before 2026.3.31 contains an authorization bypass vulnerability in Discord voice ingress that allows attackers to bypass channel and member allowlist restrictions. Attackers can exploit stale-role validation gaps and improper channel name validation to gain unauthorized access to restricted voice channels.
CVSS Score
2.3
EPSS Score
0.0
Published
2026-04-28
OpenClaw before 2026.4.2 contains an arbitrary directory deletion vulnerability in mirror mode that allows attackers to delete remote directories by influencing remoteWorkspaceDir and remoteAgentWorkspaceDir configuration values. Attackers can manipulate these OpenShell config paths to cause mirror sync operations to delete unintended remote directory contents and replace them with uploaded workspace data.
CVSS Score
6.1
EPSS Score
0.0
Published
2026-04-28
OpenClaw before 2026.3.24 contains an environment variable injection vulnerability in the CLI backend runner that allows attackers to inject malicious environment variables through workspace configuration. Attackers can craft malicious workspace configs to inject arbitrary environment variables into the backend process spawning, enabling code execution or sensitive data exposure.
CVSS Score
8.5
EPSS Score
0.0
Published
2026-04-28
OpenClaw before 2026.3.31 stores Nostr privateKey as plaintext in configuration, allowing exposure through config.get method calls that bypass redaction mechanisms. Attackers can retrieve unredacted configuration data to obtain plaintext signing keys used for Nostr protocol operations.
CVSS Score
7.1
EPSS Score
0.0
Published
2026-04-28
OpenClaw before 2026.3.22 contains a privilege escalation vulnerability where bootstrap setup codes are not bound to intended device roles and scopes during pairing. Attackers can exploit this during first-use device pairing to escalate privileges beyond their intended role and scope.
CVSS Score
9.1
EPSS Score
0.0
Published
2026-04-28
OpenClaw before 2026.3.22 contains an incomplete host environment variable sanitization vulnerability in host-env-security-policy.json and host-env-security.ts that allows package-manager environment overrides. Attackers can exploit approved exec requests to redirect package resolution or runtime bootstrap to attacker-controlled infrastructure and execute trojanized content.
CVSS Score
8.5
EPSS Score
0.0
Published
2026-04-28
OpenClaw before 2026.3.31 performs Discord audio preflight transcription before validating member authorization, allowing unauthenticated attackers to consume resources. Remote attackers can trigger audio preflight processing without member allowlist validation to cause resource exhaustion.
CVSS Score
6.9
EPSS Score
0.001
Published
2026-04-28
OpenClaw before 2026.3.28 contains an authorization bypass vulnerability in the /phone arm and /phone disarm endpoints that fails to properly enforce operator.admin scope checks for external channels. Attackers can bypass authentication restrictions to arm or disarm phone channels without proper administrative privileges.
CVSS Score
7.1
EPSS Score
0.001
Published
2026-04-28