high8.1
CVE-2026-110616
NullHub through 2026.5.29 contains a missing authentication vulnerability that allows unauthenticated attackers to access the /api/* management API because the…
Impact
NullHub through 2026.5.29 contains a missing authentication vulnerability that allows unauthenticated attackers to access the /api/* management API because the auth_token field defaults to null and is never assigned. Attackers sending requests without Authorization or Origin headers to non-loopback listeners can control agent instances, rewrite configurations including provider credentials, and manage cron jobs and MCP servers.
Affected products
| Product | Affected versions |
|---|---|
| NullHub | through 2026.5.29 |
Versions were read from the advisory text. No structured product data has been published for this record yet.
Weakness classification
References
- NVD record
- CVE.org record
- https://github.com/nullclaw/nullhub
- https://github.com/nullclaw/nullhub/blob/v2026.5.29/Dockerfile#L69-L71
- https://github.com/nullclaw/nullhub/blob/v2026.5.29/src/api/settings.zig#L29-L54
- https://github.com/nullclaw/nullhub/blob/v2026.5.29/src/server.zig#L546-L556
- https://hackmd.io/@1ExmmukzRMWN7B4gQ4W-4Q/rJrLma3izg
- https://www.vulncheck.com/advisories/nullhub-through-2026.5.29-missing-authentication-for-api-management-api