# 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.

- Web page: https://patchblox.com/security/fix/windows-app/golang.go-1.26.1
- Platform: Windows apps
- Released: Mar 5, 2026
- Priority: High (Closes CVE-2025-68121, high severity)
- CVEs: 6, exploited: 0, on CISA KEV: 0
- Superseded by: [Go Programming Language 1.27.4](https://patchblox.com/security/data/product/windows-app/go-programming-language.md), the latest version, which also fixes every CVE listed here

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [Go Programming Language](https://patchblox.com/security/data/product/windows-app/go-programming-language.md) |  | 1.26.1 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2025-68121](https://patchblox.com/security/data/cve/CVE-2025-68121.md) | High | Unexpected session resumption in crypto/tls | 10.0 | 0.0090 |  |
| [CVE-2026-25679](https://patchblox.com/security/data/cve/CVE-2026-25679.md) | High | Incorrect parsing of IPv6 host literals in net/url | 9.1 | 0.0083 |  |
| [CVE-2026-27137](https://patchblox.com/security/data/cve/CVE-2026-27137.md) | High | Incorrect enforcement of email constraints in crypto/x509 | 9.1 | 0.0066 |  |
| [CVE-2026-27142](https://patchblox.com/security/data/cve/CVE-2026-27142.md) | High | URLs in meta content attribute actions are not escaped in html/template | 7.5 | 0.0037 |  |
| [CVE-2026-27138](https://patchblox.com/security/data/cve/CVE-2026-27138.md) | Routine | Panic in name constraint checking for malformed certificates in crypto/x509 | 5.9 | 0.0038 |  |
| [CVE-2026-27139](https://patchblox.com/security/data/cve/CVE-2026-27139.md) | Routine | FileInfo can escape from a Root in os | 2.5 | 0.0022 |  |

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Data as of 2026-11-11T13:47:35Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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