CVE-2026-110611
Medium
Description
REBUILD through 4.5.0 contains an authorization bypass vulnerability in AiBot2Controller /aibot2 endpoints that act on a caller-supplied chatid without verifying ownership. Authenticated low-privilege users can supply another user's chatid to chat-init, chat-delete, chat-feedback, or chat-stream-stop to read, delete, exfiltrate, or interrupt AI assistant conversations.
SeverityMedium
CVSS5.9
Exploit probability—
ProductRebuild
PublishedOct 14, 2026
First seenOct 14, 2026
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| getrebuild rebuild | v ≤ 4.5.0 | — |
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