CVE-2026-27452
5.3 · MEDIUMOverview
CVE-2026-27452 is a medium-severity vulnerability affecting jonathanwilbur asn1-ts. It was published on February 21, 2026 and has a CVSS 3.1 base score of 5.3 (MEDIUM).
This vulnerability has a CVSS 3.1 base score of 5.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
ASN.1 TypeScript ESM library, including codecs for Basic Encoding Rules (BER) and Distinguished Encoding Rules (DER). In versions 11.0.5 and below, in some cases, decoding an INTEGER could leak the underlying ArrayBuffer. This issue is expected to be fixed in version 11.0.6.
Remediation
Check the references section for vendor advisories and patches from jonathanwilbur. Update asn1-ts 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 |
|---|---|---|---|
| jonathanwilbur | asn1-ts | >= 0, < 11.0.6 | Affected |
Frequently Asked Questions
What is CVE-2026-27452?
CVE-2026-27452 is a medium-severity vulnerability affecting jonathanwilbur asn1-ts. It was published on February 21, 2026 and has a CVSS 3.1 base score of 5.3 (MEDIUM).
How severe is CVE-2026-27452?
This vulnerability has a CVSS 3.1 base score of 5.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2026-27452?
Check the references section for vendor advisories and patches from jonathanwilbur. Update asn1-ts 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-2026-27452?
CyberStrike's AI-powered security agents can automatically detect CVE-2026-27452 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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