---
title: "CVE-2026-100535: OpenClaw - Broken Access Control"
description: "OpenClaw (npm package 'openclaw') >= 2026.4.5 and < 2026.8.1 contains a broken access control vulnerability caused by session-derived text persistence to session memory, letting restricted external senders perform unauthorized actions via unattended background agents, exploit requires session-memory capture and dreaming enabled with content followed by the model."
url: https://panop.io/threat-heartbeat/CVE-2026-100535/
---

# CVE-2026-100535 OpenClaw - Broken Access Control

OpenClaw (npm package 'openclaw') >= 2026.4.5 and < 2026.8.1 contains a broken access control vulnerability caused by session-derived text persistence to session memory, letting restricted external senders perform unauthorized actions via unattended background agents, exploit requires session-memory capture and dreaming enabled with content followed by the model.

CVSS base score 7.5 /10

High

CISA KEV

Not listed

Public exploit

None known

EPSS

0.26% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-100535)

## Details

Type

Broken Access Control

Impact

Broken Access Control, File System Write

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Published

26 September 2026

Updated

15 October 2026

Weakness

[CWE-863](https://cwe.mitre.org/data/definitions/863.html)

## Vendor fix

Update to version 2026.8.1 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-100535](https://nvd.nist.gov/vuln/detail/CVE-2026-100535)
- [https://www.vulncheck.com/advisories/openclaw-before-2026.8.1-privilege-escalation-via-session-memory](https://www.vulncheck.com/advisories/openclaw-before-2026.8.1-privilege-escalation-via-session-memory)
- [https://github.com/openclaw/openclaw/security/advisories/GHSA-62qm-6fjj-6g23](https://github.com/openclaw/openclaw/security/advisories/GHSA-62qm-6fjj-6g23)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

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