CVE-2026-39822
7.8 · HIGHOverview
CVE-2026-39822 is a high-severity vulnerability affecting golang go. It was published on July 8, 2026 and has a CVSS 3.1 base score of 7.8 (HIGH).
This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.
Technical Description
On Unix systems, opening a file in an os.Root improperly follows symlinks to locations outside of the Root when the final path component of the a path is a symbolic link and the path ends in /. For example, 'root.Open("symlink/")' will open "symlink" even when "symlink" is a symbolic link pointing outside of the root.
Remediation
Check the references section for vendor advisories and patches from golang. Update go to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| golang | go | >= 0, < 1.25.12 | Affected |
Frequently Asked Questions
What is CVE-2026-39822?
CVE-2026-39822 is a high-severity vulnerability affecting golang go. It was published on July 8, 2026 and has a CVSS 3.1 base score of 7.8 (HIGH).
How severe is CVE-2026-39822?
This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2026-39822?
Check the references section for vendor advisories and patches from golang. Update go to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2026-39822?
CyberStrike's AI-powered security agents can automatically detect CVE-2026-39822 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
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