Openclaw: >> Openclaw >> 2026.4.21 Security Vulnerabilities
OpenClaw before 2026.4.22 allows workspace dotenv files to override connector endpoint hosts for Matrix, Mattermost, IRC, and Synology connectors. Attackers with workspace access can redirect runtime traffic to malicious endpoints by setting endpoint variables in dotenv files.
CVSS Score
4.1
EPSS Score
0.001
Published
2026-05-11
OpenClaw before 2026.4.23 contains an arbitrary code execution vulnerability in the bundled plugin setup resolver that loads setup-api.js from process.cwd() during provider setup metadata resolution. Attackers can execute arbitrary JavaScript under the current user account by placing a malicious extensions/<plugin>/setup-api.js file in a repository and convincing a user to run OpenClaw commands from that directory.
CVSS Score
8.4
EPSS Score
0.001
Published
2026-05-11
OpenClaw before 2026.4.23 caches resolved webhook route secrets backed by SecretRef values, allowing stale secrets to remain valid after rotation and reload. Attackers with previously valid webhook route secrets can continue authenticating requests and invoking configured webhook task flows until gateway or plugin restart.
CVSS Score
5.9
EPSS Score
0.003
Published
2026-05-11
OpenClaw before 2026.4.23 contains an improper access control vulnerability in the gateway tool's config.apply and config.patch operations that allows compromised models to write unsafe configuration changes by bypassing an incomplete denylist protection. Attackers can persist malicious config modifications affecting command execution, network behavior, credentials, and operator policies that survive restart.
CVSS Score
7.7
EPSS Score
0.005
Published
2026-05-11
OpenClaw before 2026.4.22 contains an authentication bypass vulnerability in the Control UI bootstrap config endpoint that allows unauthenticated attackers to read sensitive configuration fields. Attackers can access the bootstrap config route without a valid Gateway token to expose sensitive bootstrap and config information intended only for authenticated Control UI sessions.
CVSS Score
6.3
EPSS Score
0.003
Published
2026-05-11
OpenClaw before 2026.4.22 contains a security envelope constraint bypass vulnerability allowing restricted subagents to spawn ACP child sessions that fail to inherit depth, child-count limits, control scope, or target-agent restrictions. Attackers can exploit this by spawning child sessions that bypass subagent-only constraints, potentially escalating privileges or accessing restricted resources.
CVSS Score
2.3
EPSS Score
0.002
Published
2026-05-11
OpenClaw before 2026.4.22 contains a time-of-check/time-of-use race condition in OpenShell sandbox filesystem writes that allows attackers to redirect writes outside the intended mount root. Attackers can exploit symlink swaps during filesystem operations to bypass sandbox restrictions and write files outside the local mount root.
CVSS Score
8.4
EPSS Score
0.024
Published
2026-05-06
OpenClaw before 2026.4.22 contains a time-of-check/time-of-use race condition in the OpenShell filesystem bridge that allows attackers to read files outside the intended mount root. Attackers can exploit symlink swaps during filesystem operations to bypass sandbox restrictions and access unauthorized file contents.
CVSS Score
8.3
EPSS Score
0.002
Published
2026-05-06
OpenClaw before 2026.4.22 contains an exec allowlist analysis vulnerability allowing shell expansion hiding in unquoted heredoc bodies. Attackers can bypass allowlist validation by embedding shell expansion tokens in heredoc bodies to execute unapproved commands at runtime.
CVSS Score
8.7
EPSS Score
0.004
Published
2026-05-06
OpenClaw before 2026.4.22 contains a server-side request forgery vulnerability in the Zalo plugin's sendPhoto function that fails to validate outbound photo URLs through the SSRF guard. Attackers can bypass SSRF protection by providing malicious photo URLs to the Zalo Bot API, enabling unauthorized access to internal resources.
CVSS Score
6.9
EPSS Score
0.003
Published
2026-05-06