Is CVE-2026-35636 actively exploited?

A proof-of-concept exploit is publicly available for CVE-2026-35636, but active exploitation has not been confirmed.

Can CVE-2026-35636 be exploited remotely?

Yes. CVE-2026-35636 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-35636?

CVE-2026-35636 has a CVSS score of 6.5 (MEDIUM).

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MEDIUMPOC

CVE-2026-35636

CWE-696Published: April 9, 2026· Updated: Apr 16, 2026

6.5

CVSS v3.1

EPSS:0.03%probability of exploitation in 30 daysPercentile:8.3th

Official Description

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.

NVD Source

Technical Analysis

CVE-2026-35636 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), with a CVSS base score of 6.5.

A proof-of-concept (PoC) exploit exists for CVE-2026-35636. While not yet confirmed in active campaigns, the availability of PoC code increases exploitation risk substantially.