Vulnerability · Published Oct 11, 2026 · Assigned by VulnCheck
CVE-2026-108864iFlytek Astron Agent through 1.1.2 Authorization Bypass via /workflow/v1/resume Endpoint
Medium 4.2
In plain English
A medium-severity authorization bypass via user-controlled key in astron-agent from iflytek. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 6% of all known vulnerabilities).
Official description
iFlytek Astron Agent through 1.1.2 contains an insecure direct object reference vulnerability that allows authenticated applications to resume other applications' paused workflows by supplying their event_id to POST /workflow/v1/resume. Attackers can predict Snowflake event IDs to inject resume content into victim workflows and read their continuation output stream, breaking cross-tenant isolation.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| iflytek | astron-agent | 0 – through 1.1.2 |
Weakness: CWE-639 · Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N
References
- https://hackmd.io/@1ExmmukzRMWN7B4gQ4W-4Q/iflytek-astron-agent-cross-app-workflow-resume third-party-advisory
- https://github.com/iflytek/astron-agent/blob/v1.1.2/core/workflow/api/v1/chat/open.py#L106-L183 technical-description
- https://github.com/iflytek/astron-agent/blob/v1.1.2/core/workflow/cache/event_registry.py technical-description
- https://github.com/iflytek/astron-agent product
- VulnCheck Advisory: iFlytek Astron Agent through 1.1.2 Authorization Bypass via /workflow/v1/resume Endpoint third-party-advisory