CVE-2026-53667
CVE-2026-53667: 1 tracked advisory record across Red Hat. Compare source-reported impact, fixes and remediation.
Compare the source-linked records below. Ratings and product/version details belong to each advisory; they are not a single CVE-wide score or proof that every listed product is affected. How VulniPulse collects and checks evidence.
Vendor advisory comparison
Red Hat
1 advisory- Advisory severityMedium6.9
Medium [CVE-2026-53667] Untrusted redirects due to missing protocol validation
CVE-2026-53667Source published Source updated
React Router is a router for React. In versions 7.11.0 through 7.17.0, the RSCErrorHandler is missing protocol validation, allowing for redirects from untrusted sources. This issue is a follow up to CVE-2026-53667, and only affects consuming applications if they are using the unstable RSC APIs. This issue has been fixed in version 7.18.0. The RSCErrorHandler component, used in applications leveraging unstable React Server Components (RSC) Application Programming Interfaces (APIs), is missing crucial protocol validation. This vulnerability allows an attacker to redirect users to untrusted external websites. Such redirects can lead to information disclosure or facilitate phishing attacks, potentially exposing sensitive user data. Red Hat's CVSS score (6.9…
- Affected products in this advisory
- Exploit Intelligence
- Network Observability Operator
- OpenShift Lightspeed
- OpenShift Pipelines
8 more entries in the full advisory.
- Source-reported affected versions
- 7.11.0
- 7.17.0
- Source-reported fixed versions
- 7.18.0
- Mitigation guidance
- There is no mitigation available other than upgrading to react-router/react-router-dom 7.18.0 or later once the fix is packaged in the affected Red Hat products. Products that do not use React Router's unstable RSC APIs are not affected regardless of the bundled react-router version.
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