What’s Vulnerable › Vulnerabilities

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

• Severity: high (CVSS 8.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-10-10 · updated 2026-10-13
• Weakness: CWE-306

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

• chenhg5 cc-connect: through 1.5.0

References

• https://github.com/chenhg5/cc-connect
• 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://www.vulncheck.com/advisories/cc-connect-through-1.5.0-missing-authentication-via-max-webhook-sender-spoofing

Get alerted when CVE-2026-108549 or the next vulnerability affects your stack