CVE-2026-3338
7.5 · HIGHOverview
CVE-2026-3338 is a high-severity vulnerability affecting amazon aws-lc-sys. It was published on March 2, 2026 and has a CVSS 3.1 base score of 7.5 (HIGH).
This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
Improper signature validation in PKCS7_verify() in AWS-LC allows an unauthenticated user to bypass signature verification when processing PKCS7 objects with Authenticated Attributes.
Customers of AWS services do not need to take action. Applications using AWS-LC should upgrade to AWS-LC version 1.69.0.
Remediation
Check the references section for vendor advisories and patches from amazon. Update aws-lc-sys 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 |
|---|---|---|---|
| amazon | aws-lc-sys | >= 0.24.0, < 0.38.0 | Affected |
| amazon | aws_libcrypto | >= 1.41.0, < 1.69.0 | Affected |
References
Frequently Asked Questions
What is CVE-2026-3338?
CVE-2026-3338 is a high-severity vulnerability affecting amazon aws-lc-sys. It was published on March 2, 2026 and has a CVSS 3.1 base score of 7.5 (HIGH).
How severe is CVE-2026-3338?
This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2026-3338?
Check the references section for vendor advisories and patches from amazon. Update aws-lc-sys 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-2026-3338?
CyberStrike's AI-powered security agents can automatically detect CVE-2026-3338 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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