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CVE-2025-8262

4.3 · MEDIUM

A vulnerability was found in yarnpkg Yarn up to 1.22.22.

Published Jul 28, 2025CWE-400EPSS 0.74%

Overview

CVE-2025-8262 is a medium-severity vulnerability. It was published on July 28, 2025 and has a CVSS 3.1 base score of 4.3 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 4.3, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

A vulnerability was found in yarnpkg Yarn up to 1.22.22. It has been classified as problematic. Affected is the function explodeHostedGitFragment of the file src/resolvers/exotics/hosted-git-resolver.js. The manipulation leads to inefficient regular expression complexity. It is possible to launch the attack remotely. The patch is identified as 97731871e674bf93bcbf29e9d3258da8685f3076. It is recommended to apply a patch to fix this issue.

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/yarnpkg/yarn/pull/9199GitHubgithub.com/yarnpkg/yarn/pull/9199/commits/97731871e674bf93bcbf29e9d3258da8685f3076Refvuldb.com/?ctiid.317850Refvuldb.com/?id.317850Refvuldb.com/?submit.617393

How CyberStrike helps

Frequently asked questions

What is CVE-2025-8262?

CVE-2025-8262 is a medium-severity vulnerability. It was published on July 28, 2025 and has a CVSS 3.1 base score of 4.3 (MEDIUM).

How severe is CVE-2025-8262?

This vulnerability has a CVSS 3.1 base score of 4.3, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2025-8262?

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-2025-8262?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2025-8262 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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