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CVE-2026-33168

Published Mar 23, 2026 CWE-79 EPSS 0.71% (51th pctl)

Overview

CVE-2026-33168 is a known-severity vulnerability. It was published on March 23, 2026.

Technical Description

Action View provides conventions and helpers for building web pages with the Rails framework. Prior to versions 8.1.2.1, 8.0.4.1, and 7.2.3.1, when a blank string is used as an HTML attribute name in Action View tag helpers, the attribute escaping is bypassed, producing malformed HTML. A carefully crafted attribute value could then be misinterpreted by the browser as a separate attribute name, possibly leading to XSS. Applications that allow users to specify custom HTML attributes are affected. Versions 8.1.2.1, 8.0.4.1, and 7.2.3.1 contain a patch.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. 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.

References

GitHub github.com/rails/rails/commit/0b6f8002b52b9c606fd6be9e7915d9f944cf539c GitHub github.com/rails/rails/commit/63f5ad83edaa0b976f82d46988d745426aa4a42d GitHub github.com/rails/rails/commit/c79a07df1e88738df8f68cb0ee759ad6128ca924 GitHub github.com/rails/rails/releases/tag/v7.2.3.1 GitHub github.com/rails/rails/releases/tag/v8.0.4.1 GitHub github.com/rails/rails/releases/tag/v8.1.2.1 GitHub github.com/rails/rails/security/advisories/GHSA-v55j-83pf-r9cq

Frequently Asked Questions

What is CVE-2026-33168?

CVE-2026-33168 is a known-severity vulnerability. It was published on March 23, 2026.

How severe is CVE-2026-33168?

CVSS score information is not yet available for this vulnerability. Check back as the CVE record is updated by NVD analysts.

How do I fix or remediate CVE-2026-33168?

Check the references section for vendor advisories, patches, and mitigation guidance. 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-2026-33168?

CyberStrike's AI-powered security agents can automatically detect CVE-2026-33168 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

Autonomous Discovery

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Continuous Pentesting

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Code Review

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HackBrowser

Browser-based exploitation validates findings with real proof-of-concept.
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