CVE-2026-35636: high-severity vulnerability in OpenClaw
OpenClaw 2026.3.11 < 2026.3.25 - Session Isolation Bypass via sessionId Resolution
Published · Updated
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 7.1epss 0.5%
exploitation probability
0.5%top 62% of all CVEs
observed exploitation
nono source reports it
OpenClaw versions 2026.3.11 through 2026.3.24 contain a session isolation bypass vulnerability where session_status resolves sessionId to canonical session keys before enforcing visibility checks. Sandboxed child sessions can exploit this to access parent or sibling sessions that should be blocked by explicit sessionKey restrictions.
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
Affected products
OpenClaw · OpenClawRelated CVEs — OpenClaw
In the same product, most dangerous first.
CVE-2026-25253HIGHCVE-2026-25253EPSS 24.4%CVE-2026-32917CRITICALOpenClaw < 2026.3.13 - Remote Command Injection via Unsanitized iMessage Attachment Paths in SCPEPSS 3.2%CVE-2026-53822HIGHOpenClaw < 2026.5.18 - Command Argument Modification via Shell Wrapper Between Approval and ExecutionEPSS 2.0%CVE-2026-32052MEDIUMOpenClaw < 2026.2.24 - Hidden Command Execution via Shell-Wrapper Positional argv CarriersEPSS 1.6%CVE-2026-44998LOWOpenClaw < 2026.4.20 - Tool Policy Bypass via Bundled MCP/LSP ToolsEPSS 1.2%CVE-2026-44109CRITICALOpenClaw < 2026.4.15 - Authentication Bypass in Feishu Webhook and Card-Action ValidationEPSS 1.1%