CVE-2026-64649
CVE-2026-64649: 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 severityHigh8.2
High [CVE-2026-64649] Server-Side Request Forgery via malicious host redirection in Server Actions
CVE-2026-64649Source published Source updated
Next.js is a React framework for building full-stack web applications. In versions 14.1.1 through 15.5.20 and 16.0.0 through 16.2.10, when a Server Action forwards or redirects a request, an attacker can cause the server to send that outbound request to a malicious host (Server-Side Request Forgery). This requires the attacker's request to control Host-associated headers. In some configurations, it's also possible to obtain internal values that weaken middleware/proxy authorization. Applications that use Server Actions are affected when the incoming host header is not fixed to a trusted value. This typically occurs on custom servers, or on deployments not behind a proxy that pins the host. Managed hosting pins the host upstream and is not affected; next start and standalone output do the…
- Affected products in this advisory
- Streams for Apache Kafka 3.2.1
- Red Hat Enterprise Linux AI (RHEL AI) 3
- streams for Apache Kafka 2
- Source-reported affected versions
- 14.1.1
- 15.5.20
- 16.0.0
- 16.2.10
- Source-reported fixed versions
- 15.5.21
- 16.2.11
- next
- RHSA-2026:54435
- Mitigation guidance
- No mitigation guidance extracted; consult the source.
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