Openclaw: >> Openclaw >> 2026.3.28 Security Vulnerabilities
OpenClaw before 2026.3.31 contains an allowlist bypass vulnerability in Matrix thread root and reply context handling that fails to properly validate message senders. Attackers can fetch thread-root and reply context messages that should be filtered by sender allowlists, bypassing access controls.
CVSS Score
2.3
EPSS Score
0.0
Published
2026-04-28
OpenClaw before 2026.3.31 contains a fail-open vulnerability in the plugin installation flow where security scan failures do not block installation. Attackers can exploit scan failures to install untrusted plugins when operators proceed despite visible scan warnings.
CVSS Score
5.1
EPSS Score
0.0
Published
2026-04-28
OpenClaw before 2026.3.31 contains a privilege escalation vulnerability allowing paired nodes with role=node to dispatch node.event agent requests with unrestricted gateway-side tool access. Attackers with trusted paired node credentials can escalate privileges by leveraging unrestricted agent.request dispatch to achieve remote code execution on the gateway.
CVSS Score
7.7
EPSS Score
0.002
Published
2026-04-28
OpenClaw before 2026.3.31 contains an incomplete host-env-security-policy.json that fails to restrict compiler binary environment variables, allowing untrusted models to substitute CC, CXX, CARGO_BUILD_RUSTC, and CMAKE_C_COMPILER via environment overrides. Attackers with approved host-exec requests can override compiler binaries to execute arbitrary code during build processes.
CVSS Score
5.8
EPSS Score
0.0
Published
2026-04-28
OpenClaw before 2026.3.31 contains insufficient environment variable sanitization in host exec operations, failing to filter package, registry, Docker, compiler, and TLS override variables. Attackers can exploit this by injecting malicious environment variables to override critical system configurations and compromise host execution integrity.
CVSS Score
7.1
EPSS Score
0.0
Published
2026-04-28
OpenClaw before 2026.3.31 contains a path traversal vulnerability in ACP dispatch that allows attackers to read arbitrary files by manipulating inbound channel attachment paths. Remote attackers can bypass attachment-cache and root directory checks to access files outside intended directories.
CVSS Score
7.1
EPSS Score
0.001
Published
2026-04-28
OpenClaw before 2026.4.2 fails to normalize trailing-dot localhost hosts in remote CDP discovery responses, allowing bypass of loopback protections. Attackers can craft hostile discovery responses returning localhost. to retarget authenticated browser control toward localhost endpoints and expose browser state.
CVSS Score
6.9
EPSS Score
0.0
Published
2026-04-28
OpenClaw versions 2026.2.19 before 2026.3.31 contain an improper cache isolation vulnerability in the Zalo webhook replay-dedupe mechanism that is shared across authenticated webhook targets. Attackers controlling one authenticated Zalo webhook path in multi-account deployments can suppress legitimate events on different accounts by matching event_name and message_id parameters.
CVSS Score
2.3
EPSS Score
0.0
Published
2026-04-28
OpenClaw before 2026.3.31 contains a symlink following vulnerability in SSH sandbox tar upload that allows remote attackers to write arbitrary files. Attackers can exploit this by uploading tar archives containing symlinks to escape the sandbox and overwrite files on the remote host.
CVSS Score
7.2
EPSS Score
0.002
Published
2026-04-28
OpenClaw before 2026.3.31 contains a sender allowlist bypass vulnerability in MS Teams thread history fetched via Graph API. Attackers can retrieve thread messages that should be filtered by sender allowlists, bypassing message filtering restrictions.
CVSS Score
5.3
EPSS Score
0.0
Published
2026-04-28