Security Vulnerabilities
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 2026.3.28 contains a privilege escalation vulnerability in chat.send that allows write-scoped gateway callers to trigger admin-only session reset operations. Attackers can rotate target sessions, archive prior transcript state, and force new session IDs without requiring admin scope by exploiting improper authorization checks in the chat.send path.
CVSS Score
8.4
EPSS Score
0.0
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 versions 2026.2.6 through 2026.3.24 contain a path traversal vulnerability in the Feishu extension resolveUploadInput function that bypasses file-system sandbox restrictions. Attackers can exploit improper path resolution during upload_image operations to read arbitrary files outside configured localRoots boundaries.
CVSS Score
6.0
EPSS Score
0.001
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
0.001
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
OpenClaw before 2026.3.31 contains a local roots self-whitelisting vulnerability in appendLocalMediaParentRoots that allows model-initiated arbitrary host file read. Attackers can exploit improper media parent directory validation to exfiltrate credentials and access sensitive files.
CVSS Score
6.0
EPSS Score
0.0
Published
2026-04-28
OpenClaw versions 2026.2.14 through 2026.3.24 fail to consistently apply guild and channel policy gates to Discord button and component interactions. Attackers can trigger privileged component actions from blocked contexts by bypassing channel policy enforcement.
CVSS Score
5.3
EPSS Score
0.0
Published
2026-04-28