Authorization Bypass Vulnerability in iFlytek astron-agent Product
CVE-2026-116340

5.3MEDIUM

Key Information:

Vendor

Iflytek

Status
Astron-agent
Vendor
CVE Published:
26 October 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-116340?

A vulnerability has been discovered in iFlytek's astron-agent, affecting versions 1.1.1 and 1.1.2. The flaw lies within the FileInfoV2Service.listKnowledgeByPage function in the FileInfoV2Service.java component. This vulnerability allows unauthorized access through manipulation of the 'space-id' argument, leading to potential unauthorized data retrieval. The exploit can be executed remotely, and tools for the exploitation are publicly available. iFlytek has been notified of this vulnerability disclosure; however, there has been no response from them.

Affected Version(s)

astron-agent 1.1.0

astron-agent 1.1.1

astron-agent 1.1.2

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-116340 - Proof of Concept

CVE-2026-116340 - Proof of Concept

References

https://vuldb.com/vuln/426315
vdb-entrytechnical-description
https://vuldb.com/vuln/426315/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-116340
third-party-advisory

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

qyf20051010 (VulDB User)
VulDB CNA Team
.