NPM · AUGUST 2026 · EARLY WARNING

context7 npm Package Vulnerability: Early Warning Issued

EARLY WARNING · UNCONFIRMED. This page describes a developing threat that 0Day surfaced from early signals and has not yet independently confirmed. Details may change. Always verify against the primary sources before acting.
Severity
CRITICAL
CVSS
9
Affected component
context7 (npm)
Patched version
Not yet available
CVE-2026-75130

An early warning has been issued for a critical vulnerability in the context7 npm package. Users of affected versions are advised to take immediate action.

What happened

An early warning has been issued regarding a critical vulnerability in the context7 npm package. The vulnerability, tracked as CVE-2026-75130, involves a prompt injection issue that could allow attackers to execute malicious instructions. This could result in the exfiltration of credentials and destructive file deletion. The vulnerability affects versions <=2.1.2 of the context7 package. No exploits in the wild have been reported yet, but the issue is under investigation.

Users of the context7 package should assess their exposure by checking their dependency versions. Any project utilizing versions <=2.1.2 of context7 is potentially at risk. It is crucial to review your project's package.json file and any lock files to identify the use of affected versions.

What to do about it

How 0Day would have caught this

MATCHED TO YOUR ACTUAL DEPENDENCY GRAPH0Day matches every incoming threat signal against your GitHub organization’s full dependency graph, including transitive dependencies. If context7 is anywhere in your dependency tree, the engineers who own the affected repositories get a push alert the moment it is flagged — no manual audit to remember to run.

Read how this differs from waiting on a scanner to catch a known advisory, or see the exact, read-only access 0Day needs to do this for an organization.

Frequently asked questions

Am I affected?

You are affected if your project uses versions <=2.1.2 of the context7 npm package.

What should I do right now?

Avoid using versions <=2.1.2 of context7. Check your dependencies and consider alternatives or additional security measures.

Has an official fix been released?

No official fix has been published yet. Monitor the sources for updates.

Sources

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