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.

CVSS 4.0

9.2CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

CVSS 3.1

8.1CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS

0.5% chance of exploitation in the next 30 days; higher than 38% of CVEs (scores of 2026-10-25)

CWE

CWE-306

Published

2026-10-10

Modified

2026-10-13

Record from

the NVD, synced 2026-10-19

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

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