CVE-2026-64647
CVE-2026-64647: 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 severityLow3.7
Low [CVE-2026-64647] Information disclosure via server-side request caching
CVE-2026-64647Source published Source updated
Next.js is a React framework for building full-stack web applications. In versions 12.0.0 through 15.5.20 and 16.0.0 through 16.2.10, a server-side fetch with a request body may return a cached response body from a different request to the same URL but different body. Confidential data in the POST's response body would then leak to unauthorized requests. Though the request itself will not be deduped. This is only an issue when receiving request bodies with a content type charset other than UTF-8. For example, the UTF-16 byte sequences for 삃삃 and 섄섄 in the request body would share the same cache. This issue has been fixed in versions 15.5.21 and 16.2.11. A flaw was found in Next.js. This vulnerability allows a remote attacker to potentially access confidential data. This can lead to the…
- Affected products in this advisory
- Red Hat Enterprise Linux 10
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux 8
- Red Hat Enterprise Linux 9
6 more entries in the full advisory.
- Source-reported affected versions
- 12.0.0
- 15.5.20
- 16.0.0
- 16.2.10
- Source-reported fixed versions
- 15.5.21
- 16.2.11
- Mitigation guidance
- No mitigation guidance extracted; consult the source.
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