CVE-2026-35635

MEDIUM
Published April 9, 2026

OpenClaw before 2026.3.22 contains a webhook path route replacement vulnerability in the Synology Chat extension that allows attackers to collapse multi-account configurations onto shared webhook paths. Attackers can exploit inherited or duplicate webhook paths to bypass per-account DM access...

Full CISO analysis pending enrichment.

What systems are affected?

Package Ecosystem Vulnerable Range Patched
OpenClaw pip No patch
4 dependents 37% patched ~3d to patch Full package profile →

Do you use OpenClaw? You're affected.

How severe is it?

CVSS 3.1
4.8 / 10
EPSS
N/A
Exploitation Status
No known exploitation
Sophistication
N/A

What is the attack surface?

AV AC PR UI S C I A
AV Network
AC High
PR None
UI None
S Unchanged
C Low
I Low
A None

What should I do?

No patch available

Monitor for updates. Consider compensating controls or temporary mitigations.

Which compliance frameworks are affected?

Compliance analysis pending. Sign in for full compliance mapping when available.

Frequently Asked Questions

What is CVE-2026-35635?

OpenClaw before 2026.3.22 contains a webhook path route replacement vulnerability in the Synology Chat extension that allows attackers to collapse multi-account configurations onto shared webhook paths. Attackers can exploit inherited or duplicate webhook paths to bypass per-account DM access control policies and replace route ownership across accounts.

Is CVE-2026-35635 actively exploited?

No confirmed active exploitation of CVE-2026-35635 has been reported, but organizations should still patch proactively.

How to fix CVE-2026-35635?

No patch is currently available. Monitor vendor advisories for updates.

What is the CVSS score for CVE-2026-35635?

CVE-2026-35635 has a CVSS v3.1 base score of 4.8 (MEDIUM).

What are the technical details?

Original Advisory

OpenClaw before 2026.3.22 contains a webhook path route replacement vulnerability in the Synology Chat extension that allows attackers to collapse multi-account configurations onto shared webhook paths. Attackers can exploit inherited or duplicate webhook paths to bypass per-account DM access control policies and replace route ownership across accounts.

Weaknesses (CWE)

CWE-706 — Use of Incorrectly-Resolved Name or Reference: The product uses a name or reference to access a resource, but the name/reference resolves to a resource that is outside of the intended control sphere.

Source: MITRE CWE corpus.

CVSS Vector

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

Timeline

Published
April 9, 2026
Last Modified
June 23, 2026
First Seen
June 23, 2026

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