CVE-2026-110616 NullHub - Authentication Bypass

NullHub through 2026.5.29 contains a broken authentication vulnerability caused by the auth_token field defaulting to null and never being assigned in /api/* management API, letting unauthenticated attackers control agent instances and configurations, exploit requires sending requests without Authorization or Origin headers to non-loopback listeners.

CVSS base score 8.1 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
View the NVD record ↗

Details

Type
Authentication Bypass
Impact
Broken Access Control
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
14 October 2026
Updated
15 October 2026
Weakness
CWE-306

Vendor fix

Update to a version later than 2026.5.29 or apply patches that enforce proper authentication.

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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