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2.3

OpenClaw may expose stored data to unauthorized users

CVE-2026-100537 · published 23 days ago
Summary

The OpenClaw software (versions before 2026.8.1) can let a requester who is not allowed to use memory functions still receive information from the system's stored memory. This happens when the Active Memory feature is used with custom requester rules. Updating to version 2026.8.1 or later fixes the issue.

What to do
  • Update openclaw openclaw to version 2026.8.1 or later.
Affected software
VendorProductAffected versions
openclaw openclaw < 2026.8.1
Original advisory text
OpenClaw before 2026.8.1 Authentication Bypass via Active Memory
OpenClaw (npm package 'openclaw') before 2026.8.1 fails to apply the originating requester's effective tool policy during Active Memory automatic recall. In deployments that use Active Memory together with requester-specific tool rules, deterministic and hidden recall paths can retrieve durable memory and inject it into the agent's context even when toolsBySender explicitly denies that requester access to the memory tools (memory_search, memory_get). As a result, an admitted but denied sender can receive information derived from durable memory in the agent's response without directly invoking any memory tool. The issue is fixed in 2026.8.1.
References
Fix within
Internet-facing 60 days
Internal At next upgrade
  • Not known to be exploited
  • Needs hands-on effort to exploit
  • Gives an attacker partial control
Severity
2.3 Low
Exploitation
<1% chance of attack within 30 days
Type
CWE-862Missing Authorization
Timeline
Published26 Sep 2026
Updated19 Oct 2026
First seen26 Sep 2026
Sources
CVE-2026-100537 · NVD
CVE-2026-100537 · MITRE
CVE-2026-100537 · OSV
GHSA-wjfv-5qch-m5vj · GHSA
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