Vulnerability DatabaseCVE-2026-108549
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CVE-2026-108549
Published:October 10, 2026
Updated:October 11, 2026
cc-connect through 1.5.0 contains a missing authentication vulnerability in the MAX platform adapter webhook mode in platform/max/max.go that accepts unauthenticated updates when no webhook_secret is configured. Remote attackers reaching the webhook listener on port 8080 can forge updates with an allowed or admin user_id to run privileged commands like /shell on the host.
Related Resources (6)
https://www.vulncheck.com/advisories/cc-connect-through-1.5.0-missing-authentication-via-max-webhook-sender-spoofing
https://github.com/chenhg5/cc-connect
https://nvd.nist.gov/vuln/detail/CVE-2026-108549
https://github.com/chenhg5/cc-connect/blob/v1.5.0/platform/max/max.go#L287-L305
https://github.com/chenhg5/cc-connect/issues/1968
https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/108xxx/CVE-2026-108549.json
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CVSS v4
Base Score:
9.2
Attack Vector
NETWORK
Attack Complexity
HIGH
Attack Requirements
PRESENT
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
8.1
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Weakness Type (CWE)
Missing Authentication for Critical Function
CWE-306