Go Programming Language 1.26.1
Go Programming Language 1.26.1, released March 5, 2026, fixes 6 CVEs in Go Programming Language. None of them is reported as exploited. Patch Radar priority: High. The latest Go Programming Language is 1.27.4, which also fixes every one of these CVEs.
Superseded. The latest Go Programming Language is 1.27.4, which also fixes every CVE on this page. Install that instead.
Priority of the 6 CVEs
Applies to
| Product | Version |
|---|---|
| Go Programming Language | 1.26.1 |
CVEs this fix closes
| Priority | CVE | Title | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|
| High | CVE-2025-68121 | Unexpected session resumption in crypto/tls | 10.0 | 0.0090 | None reported |
| High | CVE-2026-25679 | Incorrect parsing of IPv6 host literals in net/url | 9.1 | 0.0083 | None reported |
| High | CVE-2026-27137 | Incorrect enforcement of email constraints in crypto/x509 | 9.1 | 0.0066 | None reported |
| High | CVE-2026-27142 | URLs in meta content attribute actions are not escaped in html/template | 7.5 | 0.0037 | None reported |
| Routine | CVE-2026-27138 | Panic in name constraint checking for malformed certificates in crypto/x509 | 5.9 | 0.0038 | None reported |
| Routine | CVE-2026-27139 | FileInfo can escape from a Root in os | 2.5 | 0.0022 | None reported |
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