CVE-2026-85667
xiaobei through 5.5.2 Unauthenticated Webhook Message Injection
- State
- Published
- Severity
- 9.3 Critical
- Published
- Sep 4, 2026
- Updated
- Sep 8, 2026
- Reserved
- Sep 4, 2026
Description
xiaobei through 5.5.2 fails to implement authentication or signature validation on webhook endpoints, allowing unauthenticated attackers to inject arbitrary messages into the agent pipeline. Attackers can publish malicious messages via the /webhook_worktool handler and exploit unvalidated media URL fetching to perform server-side request forgery against internal services.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 9.3 Critical | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N | VulnCheck |
| 3.1 | 9.1 Critical | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N | VulnCheck |
Weaknesses
- CWE-306 Missing Authentication for Critical Function
Affected Products
| Product | Versions |
|---|---|
xiaobeiTeamWiseFlow |
|
References
- GitHub Issue #440issue-tracking
- https://github.com/TeamWiseFlow/xiaobeiproduct
- https://github.com/TeamWiseFlow/xiaobei/blob/v5.5.2/awada/awada-server/src/routes/webhook-worktool.tstechnical-description
- VulnCheck Advisory: xiaobei through 5.5.2 Unauthenticated Webhook Message Injectionthird-party-advisory
Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.