CVE-2026-53840 OpenClaw < 2026.5.12 - Custom Header Leakage via MCP Streamable HTTP Cross-Origin Redirects

OpenClaw before 2026.5.12 contains an information disclosure vulnerability in streamable-http MCP servers that forwards operator-configured custom headers during cross-origin redirects. Attackers controlling or compromising an MCP endpoint can redirect requests to exfiltrate sensitive headers lik...

CVE-2026-53840

OpenClaw CVE-2026-53840 affects the OpenClaw MCP stack before version 2026.5.12. The issue is an information-disclosure vulnerability in streamable-http MCP servers that forwards operator-configured custom headers during cross-origin redirects. If an attacker controls or can compromise an MCP end...

CVE-2026-53840 OpenClaw < 2026.5.12 - Custom Header Leakage via MCP Streamable HTTP Cross-Origin Redirects

OpenClaw before 2026.5.12 contains an information disclosure vulnerability in streamable-http MCP servers that forwards operator-configured custom headers during cross-origin redirects. Attackers controlling or compromising an MCP endpoint can redirect requests to exfiltrate sensitive headers lik...

PT-2026-49775

Name of the Vulnerable Software and Affected Versions OpenClaw versions prior to 2026.5.2 Description An environment variable injection exists where the STATE DIRECTORY variable in a workspace .env file can influence bundled runtime dependency roots. This allows attackers to manipulate STATE...

PT-2026-49762

Name of the Vulnerable Software and Affected Versions OpenClaw versions prior to 2026.5.6 Description A hook bypass issue exists where skill commands routed through a specific dispatch path skip the runBeforeToolCallHook coverage. This allows attackers to send skill commands through the affected...

PT-2026-49760

Name of the Vulnerable Software and Affected Versions OpenClaw versions prior to 2026.5.26 Description An authorization bypass exists where a surviving pairing-scoped device session can re-establish node token authority after the token has been revoked. This allows a previously paired device to...

CVE-2026-53857: Authentication Bypass by Spoofing

OpenClaw before 2026.5.3 contains a policy enforcement vulnerability where Zalo contacts with mutable display metadata could match allowFrom policy entries through display name changes. Attackers with mutable display names could receive agent responses intended for different Zalo identities when...

PT-2026-49783

Name of the Vulnerable Software and Affected Versions OpenClaw versions prior to 2026.5.12 Description An allowlist bypass exists in shell inline-command parsing. A command request using shell inline-command forms can route through a parser case that misses the expected allowlist decision, allowi...

PT-2026-49778

Name of the Vulnerable Software and Affected Versions OpenClaw versions prior to 2026.5.6 Description The macOS Swift exec feature contains an allowlist bypass. The issue occurs because the system fails to account for combined POSIX inline-command flags, which are shorthand ways of grouping...

PT-2026-49782

Name of the Vulnerable Software and Affected Versions OpenClaw versions prior to 2026.5.2 Description A path traversal issue exists in the maintenance task execution process where workspace-derived service paths can influence the selection of the trash command. By manipulating workspace-derived...

CVE-2026-53864: Incomplete List of Disallowed Inputs

OpenClaw before 2026.5.26 contains an insufficient sanitization vulnerability in the host environment sanitizer that allows Node.js control variables to bypass validation. Attackers with access to workspace .env files, tool environment overrides, or skill environment blocks can pass malicious...

PT-2026-49759

Name of the Vulnerable Software and Affected Versions OpenClaw versions prior to 2026.5.2 Description An environment variable injection exists where workspace .env files can influence the Python runtime selection during Gmail setup gcloud execution. Attackers with repository access can manipulate...

PT-2026-49781

Name of the Vulnerable Software and Affected Versions OpenClaw versions prior to 2026.5.26 Description Insufficient sanitization in the host environment sanitizer allows Node.js control variables to bypass validation. Attackers with access to workspace .env files, tool environment overrides, or...

CVE-2026-53843: Insufficient Session Expiration

OpenClaw before 2026.5.26 contains an authorization bypass vulnerability where a surviving pairing-scoped device session can re-establish node token authority after revocation. Attackers with a paired device can regain WebSocket node-level access without renewed approval, weakening revocation...

CVE-2026-53849: Authentication Bypass by Spoofing

OpenClaw before 2026.5.7 contains a privilege escalation vulnerability where the allowFrom feature improperly validates Discord account identity using mutable display names instead of immutable user IDs. Attackers with Discord accounts can change their display name to match a policy entry and gai...

CVE-2026-53846: Untrusted Search Path

OpenClaw before 2026.4.29 contains a path traversal vulnerability in the install helper that allows workspace .env files to override the npmexecpath configuration used for bundled runtime dependency installation. Attackers with workspace access can execute unintended local package-manager...

CVE-2026-53862: Incorrect Privilege Assignment

OpenClaw before 2026.5.12 contains a bootstrap token replay vulnerability allowing callers with pending token access to reuse tokens with broader requested scopes. Attackers can replay bootstrap tokens before approval to escalate pairing authority beyond intended scope limits...

CVE-2026-53863: Authorization Bypass Through User-Controlled Key

OpenClaw before 2026.4.25 contains an input validation vulnerability in tool group policy callers that accept unvalidated group IDs. Attackers who can supply a group ID to the policy resolver could trigger incorrect group-policy decisions for tool invocations, potentially bypassing intended acces...

CVE-2026-53853: Protection Mechanism Failure

OpenClaw before 2026.5.12 contains an argument pattern validation bypass in the exec allowlist that allows attackers to execute disallowed arguments for allowlisted executables on Linux and macOS systems. Attackers can bypass configured argPattern restrictions by directly invoking allowlisted...

CVE-2026-53848: Incomplete List of Disallowed Inputs

OpenClaw before 2026.5.26 contains an exec allowlist bypass vulnerability allowing authenticated operators to execute wrapper-level side effects outside allowlisted command intent. Attackers can craft command requests that bypass allowlist validation by leveraging transparent command wrappers to...