Auth bypass in Chenhg5 Cc-Connect
CVE-2026-108549
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.
Vulnerability class: Broken Authentication
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.
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
- github.com/chenhg5/cc-connect/issues/1968 (issue-tracking)
- github.com/chenhg5/cc-connect (product)
- github.com/chenhg5/cc-connect/blob/v1.5.0/platform/max/max.go (technical-description)
- www.vulncheck.com/advisories/cc-connect-through-1.5.0-missing-authentication-vi… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-108549?
- CVE-2026-108549 is a high-severity vulnerability in Chenhg5 Cc-Connect, classified under Missing Authentication for Critical Function. CVSS score: 8.1/10. Published 2026-10-10.
- How severe is CVE-2026-108549?
- High severity. CVSS v3 base score is 8.1 out of 10.