CVE-2026-111999 Vanus - Authentication Bypass

Vanus 0.8.0 through 0.9.0 contains a missing authentication vulnerability caused by lack of proper token authentication in the CloudEvents HTTP receiver, letting unauthenticated remote attackers publish events to any eventbus, exploit requires no authentication.

CVSS base score 7.5 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
View the NVD record ↗

Details

Type
Broken Authentication
Impact
Data Tampering
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Published
18 October 2026
Updated
19 October 2026
Weakness
CWE-306

Vendor fix

Update to a version later than 0.9.0 or the latest available version.

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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