CVE-2026-110611

REBUILD through 4.5.0 Authorization Bypass via aibot2 Chat Endpoints chatid

Published Oct 14, 2026 CVSS 4.0 · 6 Medium EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title REBUILD through 4.5.0 Authorization Bypass via aibot2 Chat Endpoints chatid
First Time appeared Getrebuild
Getrebuild rebuild
Weaknesses CWE-639
CPEs cpe:2.3:a:getrebuild:rebuild:*:*:*:*:*:*:*:*
Vendors & Products Getrebuild
Getrebuild rebuild
References
Metrics cvssV3_1

{'score': 5.9, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:L/A:N'}

cvssV4_0

{'score': 6, 'vector': 'CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Oct 20, 2026, 1:10 AM
Reserved
Oct 14, 2026, 1:07 PM
Status
Deferred
Published
Oct 14, 2026, 3:17 PM
Modified
Oct 20, 2026, 2:17 AM