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CVE-2026-71556

7.1 · HIGH

go-git is an extensible git implementation library written in pure Go.

Published Aug 7, 2026CWE-59EPSS 0.36%

Overview

CVE-2026-71556 is a high-severity vulnerability. It was published on August 7, 2026 and has a CVSS 3.1 base score of 7.1 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.1, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

go-git is an extensible git implementation library written in pure Go. Prior to 5.19.2 and 6.0.0-alpha.5, worktree operations (including checkout, status, and add) resolve symbolic links inside the working tree without confining resolution to the worktree boundary, so a maliciously crafted repository containing a symlink can cause go-git to read from or write to files outside the intended working directory when the repository is cloned and its worktree operations are used. Versions 5.19.2 and 6.0.0-alpha.5.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. 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.

References

GitHubgithub.com/go-git/go-git/commit/008a78f2dd86f52544ddff8b8e8ddeecdf3f7aabGitHubgithub.com/go-git/go-git/commit/661d1c7f101d34e002a3cfcf8dbea5b7421d07acGitHubgithub.com/go-git/go-git/releases/tag/v5.19.2GitHubgithub.com/go-git/go-git/releases/tag/v6.0.0-alpha.5GitHubgithub.com/go-git/go-git/security/advisories/GHSA-hc8v-wwc9-vgxm

How CyberStrike helps

Frequently asked questions

What is CVE-2026-71556?

CVE-2026-71556 is a high-severity vulnerability. It was published on August 7, 2026 and has a CVSS 3.1 base score of 7.1 (HIGH).

How severe is CVE-2026-71556?

This vulnerability has a CVSS 3.1 base score of 7.1, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2026-71556?

Check the references section for vendor advisories, patches, and mitigation guidance. 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-2026-71556?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-71556 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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