PT-2026-85560 · Teamwiseflow · Xiaobei

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CVE-2026-85667

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Published

2026-09-04

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Updated

2026-09-04

CVSS v3.1

9.1

Critical

VectorAV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
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.

Fix

Missing Authentication

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Weakness Enumeration

Related Identifiers

CVE-2026-85667

Affected Products

Xiaobei