CVE-2026-108549CWE-306

CVE-2026-108549

High · published October 10, 2026

CVSS v3.1
8.1
EPSS
0%
Percentile
38.2
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
8.1 · HIGH
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
9.2 · 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
EPSS
0.00451 · 38.2th percentile
Weakness
CWE-306 · Missing Authentication for Critical Function
Published
2026-10-10T19:16Z
References (4)
https://github.com/chenhg5/cc-connect · [email protected]https://github.com/chenhg5/cc-connect/blob/v1.5.0/platform/max/max.go#L287-L305 · [email protected]https://github.com/chenhg5/cc-connect/issues/1968 · [email protected]https://www.vulncheck.com/advisories/cc-connect-through-1.5.0-missing-authentication-via-max-webhook-sender-spoofing · [email protected]
EPSS history
Timeline
  • 12 OCT 03:26Z
    EPSS moved — → 0%
    epss
  • 10 OCT 14:35Z
    cc-connect through 1.5.0 Missing Authentication via MAX Webhook Sender Spoofing
    cvelistv5
  • 10 OCT 14:35Z
    cc-connect through 1.5.0 Missing Authentication via MAX Webhook Sender Spoofing
    cvelistv5