EUVD Vulnerability Catalog
EUVD-2026-96344
Severity: CRITICAL
Base Score: 9.2
CVSS Version: 4.0
Vulnerability 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.
CVSS Vector Analysis
Below is the complete, human-readable breakdown of the CVSS metric string: CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
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Attack Vector (AV): Network
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Attack Complexity (AC): High
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Attack Requirements (AT): Present
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Privileges Required (PR): None
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User Interaction (UI): None
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Vulnerability Confidentiality Impact (VC): High
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Vulnerability Integrity Impact (VI): High
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Vulnerability Availability Impact (VA): High
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Subsequent Confidentiality Impact (SC): None
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Subsequent Integrity Impact (SI): None
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Subsequent Availability Impact (SA): None
Affected Vendors & Systems
Vendor
chenhg5
References & Advisory Links
- https://github.com/chenhg5/cc-connect/issues/1968
- https://github.com/chenhg5/cc-connect
- https://github.com/chenhg5/cc-connect/blob/v1.5.0/platform/max/max.go#L287-L305
- https://www.vulncheck.com/advisories/cc-connect-through-1.5.0-missing-authentication-via-max-webhook-sender-spoofing
- https://nvd.nist.gov/vuln/detail/CVE-2026-108549
Metadata Profile
Database Authority
European Union Agency for Cybersecurity (ENISA) EUVD
Assigner
VulnCheck
EPSS Probability
0
Known Aliases
CVE-2026-108549
GHSA-h8j8-r6g6-37hc
Published On
2026-10-10
Last Updated
2026-10-10