CVE-2026-108549
cc-connect through 1.5.0 Missing Authentication via MAX Webhook Sender Spoofing
chenhg5 cc-connect
CVSS
9.2CriticalExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)0.45%Chance of exploitation activity in the next 30 days, higher than 38% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed inNone listedNo source names a fixed version. Check the vendor advisory below
What fixes it
No source in this snapshot names a fixed version. The vendor advisories under References are the place to check.
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.
Text from CVE List
Affected versions 1
- cc-connectaffected: all versions through 1.5.0CVE List
References 4
- vulncheck.com/advisories/cc-connect-through-1.5.0-missing-authentication-via-max-webhook-sender-spoofingAdvisoryvia CVE List
- github.com/chenhg5/cc-connect/issues/1968Referencevia CVE List
- github.com/chenhg5/cc-connectReferencevia CVE List
- github.com/chenhg5/cc-connect/blob/v1.5.0/platform/max/max.go#L287-L305Referencevia CVE List