CVE-2026-39828 (Medium) detected in golang.org/x/crypto-v0.49.0

[mend-bolt-for-github]

CVE-2026-39828 - Medium Severity Vulnerability

Vulnerable Library - golang.org/x/crypto-v0.49.0

Library home page: https://proxy.golang.org/golang.org/x/crypto/@⁠v/v0.49.0.zip

Path to dependency file: /engine/go.mod

Path to vulnerable library: /home/wss-scanner/go/pkg/mod/cache/download/golang.org/x/crypto/@⁠v/v0.49.0.mod

Dependency Hierarchy:

• ❌ golang.org/x/crypto-v0.49.0 (Vulnerable Library)

Found in base branch: master

Vulnerability Details

When an SSH server authentication callback returned PartialSuccessError with non-nil Permissions, those permissions were silently discarded, potentially dropping certificate restrictions such as force-command after a second factor succeeded. Returning non-nil Permissions with PartialSuccessError now results in a connection error.

Publish Date: 2026-05-22

URL: CVE-2026-39828

CVSS 3 Score Details (6.3)

Base Score Metrics:

• Exploitability Metrics:
  • Attack Vector: Network
  • Attack Complexity: Low
  • Privileges Required: Low
  • User Interaction: None
  • Scope: Unchanged
• Impact Metrics:
  • Confidentiality Impact: Low
  • Integrity Impact: Low
  • Availability Impact: Low

For more information on CVSS3 Scores, click here.

Suggested Fix

Type: Upgrade version

Origin: https://pkg.go.dev/vuln/GO-2026-5014

Release Date: 2026-05-22

Fix Resolution: golang.org/x/crypto - v0.52.0,https://github.com/golang/crypto.git - v0.52.0

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