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CVE-2026-86671
Published:October 05, 2026
Updated:October 13, 2026
In Eclipse Che versions 7.29.0 and later, the GET "/api/scm/resolve" and "POST /api/factory/resolver" endpoints pass an attacker-controlled URL to "URLFetcher.fetch()", which calls "new URL(url).openConnection()" with no scheme or host allow-list and returns the response body to the caller. Any authenticated Che user can read arbitrary local files via the file:// scheme (including the pod's Kubernetes service-account token at "file:///var/run/secrets/kubernetes.io/serviceaccount/token"), reach internal HTTP services and cloud instance metadata endpoints (169.254.169.254), and have their stored SCM personal access token attached as an "Authorization" header to a host of their choosing. The same credential-forwarding behavior also fires when a victim opens a workspace from a malicious devfile whose "parent.uri" points to an attacker-controlled server, enabling exfiltration of the victim's SCM PAT without direct API access. No fix is available.
Affected Packages
https://github.com/eclipse-che/che-server.git (GITHUB):
Affected version(s) >=7.0.0-beta-1.0 <7.123.0
Fix Suggestion:
Update to version 7.123.0
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CVSS v4
Base Score:
8.4
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
NONE
Vulnerable System Availability
NONE
Subsequent System Confidentiality
HIGH
Subsequent System Integrity
HIGH
Subsequent System Availability
NONE
CVSS v3
Base Score:
7.7
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Weakness Type (CWE)
Insufficiently Protected Credentials
External Control of File Name or Path
Server-Side Request Forgery (SSRF)
EPSS
Base Score:
0.25