Critical 9.1Published Sep 4, 2026

CVE-2026-85667xiaobei through 5.5.2 Unauthenticated Webhook Message Injection

Updated under an hour ago (2026-10-19 09:00 UTC)

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Every CVE for TeamWiseFlow xiaobei

Exploited in the last 30 days

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.

CVSS: 9.1 CRITICAL (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Weakness (CWE): CWE-306
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulnCheck
NVD analysis: Deferred
Record last updated: Sep 8, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

TeamWiseFlow xiaobei teamwiseflow:xiaobei (from the name)	through 5.5.2	CNA record

References

https://github.com/TeamWiseFlow/xiaobei/issues/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
https://www.vulncheck.com/advisories/xiaobei-through-5.5.2-unauthenticated-webhook-message-injectionthird-party-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.