Vulnerability · Published Oct 10, 2026 · Assigned by VulnCheck

CVE-2026-108549cc-connect through 1.5.0 Missing Authentication via MAX Webhook Sender Spoofing

High 8.1

In plain English

A high-severity missing authentication in cc-connect from chenhg5. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 39% of all known vulnerabilities).

Severity (CVSS 3.1)8.1High

Exploit odds (30 days)0.5%top 60.6% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

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.

Affected products (as reported)

Vendor	Product	Versions
chenhg5	cc-connect	0 – through 1.5.0

Weakness: CWE-306 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

References

GitHub Issue #1968 issue-tracking
https://github.com/chenhg5/cc-connect product
https://github.com/chenhg5/cc-connect/blob/v1.5.0/platform/max/max.go#L287-L305 technical-description
VulnCheck Advisory: cc-connect through 1.5.0 Missing Authentication via MAX Webhook Sender Spoofing third-party-advisory