CVE-2026-49356
3.2 · LOWOverview
CVE-2026-49356 is a low-severity vulnerability affecting babel babel. It was published on June 22, 2026 and has a CVSS 3.1 base score of 3.2 (LOW).
This vulnerability has a CVSS 3.1 base score of 3.2, rated LOW. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.
Technical Description
Babel is a compiler for writing next generation JavaScript. Prior to 8.0.0-rc.6 and 7.29.6, @babel/core affected by an arbitrary file read via a sourceMappingURL comment. Using @babel/core to compile maliciously crafted code can allow an attacker to read any source map from the system that is running Babel, if the attacker controls the input source code, can read the output source code, and knows the path of the source map file that they want to read. This vulnerability is fixed in 8.0.0-rc.6 and 7.29.6.
Remediation
Check the references section for vendor advisories and patches from babel. Update babel to the latest patched version. 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.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| babel | babel | >= 0, < 7.29.6 | Affected |
Frequently Asked Questions
What is CVE-2026-49356?
CVE-2026-49356 is a low-severity vulnerability affecting babel babel. It was published on June 22, 2026 and has a CVSS 3.1 base score of 3.2 (LOW).
How severe is CVE-2026-49356?
This vulnerability has a CVSS 3.1 base score of 3.2, rated LOW. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2026-49356?
Check the references section for vendor advisories and patches from babel. Update babel to the latest patched version. 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-2026-49356?
CyberStrike's AI-powered security agents can automatically detect CVE-2026-49356 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
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