CVE-2026-85667

critical · 9.3

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.

9.3

CVSS

0.7%

EPSS (exploit prob.)

53rd

EPSS percentile

2026-09-04

Published

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Weaknesses

CWE-306

References

https://github.com/TeamWiseFlow/xiaobei
https://github.com/TeamWiseFlow/xiaobei/blob/v5.5.2/awada/awada-server/src/routes/webhook-worktool.ts
https://github.com/TeamWiseFlow/xiaobei/issues/440
https://www.vulncheck.com/advisories/xiaobei-through-5.5.2-unauthenticated-webhook-message-injection
https://github.com/TeamWiseFlow/xiaobei/issues/440

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2026-85667