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TI-2026-70548 Aliases CVE-2026-108549GHSA-h8j8-r6g6-37hc

Missing authentication in cc-connect MAX webhook lets attackers run commands

Priority MEDIUM 42CWE-306Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
High
Attack requirements
Present
Impact type
Security bypass
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-306.

Summary

cc-connect through 1.5.0 contains a missing authentication flaw in the MAX platform adapter webhook mode. When no webhook_secret is configured, the webhook accepts unauthenticated updates (CWE-306). A remote attacker who can reach the webhook listener on port 8080 can forge updates with an allowed or admin user_id and run privileged commands such as /shell on the host.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Description from the CNA

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00451 39th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
chenhg5cc-connectup to 1.5.0—No fix listedCNA
  • cc-connect Vendorchenhg5 Affected up to 1.5.0 Fixed in — No fix listed CNA

Remediation

The sources list no fixed version for cc-connect.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Timeline

  1. 2026-10-11 Threatist record created from CVE-2026-108549
  2. 2026-10-11 Alias added: GHSA-h8j8-r6g6-37hc
  3. 2026-10-13 CISA SSVC decision points changed

References

Other 3

  • TI-2026-53639 chenhg5 cc-connect Management API engine.go shellExecCommand os command injection CVSS 4.0MEDIUM 6.9
  • TI-2026-53638 chenhg5 cc-connect webhook.go authenticate code injection CVSS 4.0MEDIUM 6.9
  • TI-2026-62540 cc-connect through 1.5.0 User Allowlist Bypass via Feishu Card Actions CVSS 4.0HIGH 8.7

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences