Auth bypass in Iflytek Astron-Agent
CVE-2026-108864
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.
Vulnerability class: IDOR (Insecure Direct Object Reference)
Published .
CVSS v3 metric
CVSS v3 base score 4.2 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- hackmd.io/@1ExmmukzRMWN7B4gQ4W-4Q/iflytek-astron-agent-cross-app-workflow-resume (third-party-advisory)
- github.com/iflytek/astron-agent/blob/v1.1.2/core/workflow/api/v1/chat/open.py (technical-description)
- github.com/iflytek/astron-agent/blob/v1.1.2/core/workflow/cache/event_registry… (technical-description)
- github.com/iflytek/astron-agent (product)
- www.vulncheck.com/advisories/iflytek-astron-agent-through-1.1.2-authorization-b… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-108864?
- CVE-2026-108864 is a medium-severity vulnerability in Iflytek Astron-Agent, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 4.2/10. Published 2026-10-11.
- How severe is CVE-2026-108864?
- Medium severity. CVSS v3 base score is 4.2 out of 10.