CVE-2026-100555 OpenClaw - Server Side Request Forgery

OpenClaw >= 2026.7.1 and < 2026.8.1 contains a server side request forgery caused by loss of DNS pinning in attachment delivery, letting attackers use DNS rebinding to make Synology NAS fetch unauthorized resources, exploit requires attacker to supply a remotely influenced hostname.

CVSS base score 7.1 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
0.20% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Server Side Request Forgery
Impact
Server Side Request Forgery, Information Disclosure
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:L/A:N
Published
26 September 2026
Updated
15 October 2026
Weakness
CWE-918

Vendor fix

Upgrade to version 2026.8.1 or later; alternatively, disable remote URL attachment forwarding in Synology Chat.

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

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