Server-Side Request Forgery in Conductor OSS's Agent Card Fetching Function
CVE-2026-109403

6.9MEDIUM

Key Information:

Vendor

Conductor-oss

Status
Conductor
Vendor
CVE Published:
13 October 2026

What is CVE-2026-109403?

A server-side request forgery vulnerability exists in the A2AService.getAgentCard function of Conductor OSS. This issue affects versions up to 3.32.5. By manipulating the agentUrl argument, an attacker can exploit this vulnerability remotely, potentially leading to unauthorized access to internal resources. The exploit has been disclosed publicly, making it crucial for users to apply the necessary updates and patches to mitigate the risk.

Affected Version(s)

conductor 3.32.0

conductor 3.32.1

conductor 3.32.2

References

https://vuldb.com/vuln/416945
vdb-entrytechnical-description
https://vuldb.com/vuln/416945/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-109403
third-party-advisory

CVSS V4

Score:
6.9
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

lucasg2g (VulDB User)
VulDB Vulnerability Moderation Team
.