What is CVE-2025-27789?

CVE-2025-27789 is a security advisory published by Microsoft Security Response Center (MSRC) with Medium severity. Inefficient RexExp complexity in generated code with .replace when transpiling named capturing groups

Which CVE IDs does CVE-2025-27789 cover?

CVE-2025-27789 covers the following CVE IDs: CVE-2025-27789. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2025-27789?

CVE-2025-27789 has a CVSS v3 base score of 6.2, published by Microsoft Security Response Center (MSRC).

Which products are affected by CVE-2025-27789?

CVE-2025-27789 affects 1 product, including: azl3 babel 2.15.0-1 on Azure Linux 3.0.

CVE-2025-27789MediumCVSS 6.2

Inefficient RexExp complexity in generated code with .replace when transpiling named capturing groups

Vendor

Microsoft Security Response Center (MSRC)

Published

August 7, 2026

Last Modified

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🔗 CVE IDs covered (1)

CVE-2025-27789 →

🎯 Affected products1

azl3 babel 2.15.0-1 on Azure Linux 3.0

🔗 References (1)

advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-27789