Auth bypass in Iflytek Astron-Agent
CVE-2026-116340
A vulnerability was identified in iFlytek astron-agent up to 1.1.2. This impacts the function FileInfoV2Service.listKnowledgeByPage of the file FileInfoV2Service.java of the component Console Knowledge-List Endpoint. Such manipulation of the argument space-id leads to authorization bypass. The attack may be launched remotely. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/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
- Iflytek Astron-Agent — versions 1.1.0, 1.1.1, 1.1.2
Weakness classification (CWE)
References
- vuldb.com/vuln/426315 (technical-description, vdb-entry)
- vuldb.com/vuln/426315/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-116340 (third-party-advisory)
- vuldb.com/submit/1011582 (third-party-advisory)
- github.com/Rinne666/poc/tree/main/astron-agent-poc (exploit)
- github.com/Rinne666/poc/blob/main/astron-agent-poc/poc/v2_knowledge_space_id_by… (exploit)
Frequently asked questions
- What is CVE-2026-116340?
- CVE-2026-116340 is a medium-severity vulnerability in Iflytek Astron-Agent, classified under Improper Authorization. CVSS score: 4.3/10. Published 2026-10-26.
- How severe is CVE-2026-116340?
- Medium severity. CVSS v3 base score is 4.3 out of 10.