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CVE-2026-64646

Next.js is a React framework for building full-stack web applications. In versions 13.0.0 through 15.5.20 and 16.0.0 through 16.2.10, requests targeting Next.js applications using App Router with at least one Server Action can lead to excessive memory consumption if that Server Actions uses the Edge runtime. This issue has been fixed in versions 15.5.21 and 16.2.11.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:4528b612702c9bc2198680fe65f2156fd66afe597f1ebf239e09680f765e9284
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"product":"next.js","vendor":"vercel","versions":[{"status":"affected","version":">= 13.0.0 < 15.5.21"},{"status":"affected","version":">= 16.0.0, < 16.2.11"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:a1da14b413f47de1a2f6ada215da1a9b0b672db3bda5133a27c56705d90d22b1 · sha256:afad6656cc4c43f3… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackRequirements":"PRESENT","attackVector":"NETWORK","baseScore":6.3,"baseSeverity":"MEDIUM","privilegesRequired":"NONE","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","vectorString":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"LOW","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:a1da14b413f47de1a2f6ada215da1a9b0b672db3bda5133a27c56705d90d22b1 · sha256:afad6656cc4c43f3… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

1 source assertion
{"cweId":"CWE-770","description":"CWE-770: Allocation of Resources Without Limits or Throttling","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:a1da14b413f47de1a2f6ada215da1a9b0b672db3bda5133a27c56705d90d22b1 · sha256:afad6656cc4c43f3… · /containers/cna/problemTypes/0/descriptions/0

Source references

5 source assertions
{"name":"https://github.com/vercel/next.js/commit/57c31f724d746e86a9e8b92aa8be538a922446a4","tags":["x_refsource_MISC"],"url":"https://github.com/vercel/next.js/commit/57c31f724d746e86a9e8b92aa8be538a922446a4"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:a1da14b413f47de1a2f6ada215da1a9b0b672db3bda5133a27c56705d90d22b1 · sha256:afad6656cc4c43f3… · /containers/cna/references/1
{"name":"https://github.com/vercel/next.js/commit/9a4651e754f70b12e397694ffc41f44c3ba8cc17","tags":["x_refsource_MISC"],"url":"https://github.com/vercel/next.js/commit/9a4651e754f70b12e397694ffc41f44c3ba8cc17"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:a1da14b413f47de1a2f6ada215da1a9b0b672db3bda5133a27c56705d90d22b1 · sha256:afad6656cc4c43f3… · /containers/cna/references/2
{"name":"https://github.com/vercel/next.js/releases/tag/v15.5.21","tags":["x_refsource_MISC"],"url":"https://github.com/vercel/next.js/releases/tag/v15.5.21"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:a1da14b413f47de1a2f6ada215da1a9b0b672db3bda5133a27c56705d90d22b1 · sha256:afad6656cc4c43f3… · /containers/cna/references/3
{"name":"https://github.com/vercel/next.js/releases/tag/v16.2.11","tags":["x_refsource_MISC"],"url":"https://github.com/vercel/next.js/releases/tag/v16.2.11"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:a1da14b413f47de1a2f6ada215da1a9b0b672db3bda5133a27c56705d90d22b1 · sha256:afad6656cc4c43f3… · /containers/cna/references/4
{"name":"https://github.com/vercel/next.js/security/advisories/GHSA-4c39-4ccg-62r3","tags":["x_refsource_CONFIRM"],"url":"https://github.com/vercel/next.js/security/advisories/GHSA-4c39-4ccg-62r3"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:a1da14b413f47de1a2f6ada215da1a9b0b672db3bda5133a27c56705d90d22b1 · sha256:afad6656cc4c43f3… · /containers/cna/references/0

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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