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CVE-2026-64645

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 rewrites() or redirects() rule that builds its external destination hostname from request-controlled input can be pointed at an arbitrary hostname, regardless of the rule's hostname suffix. For a rewrite, Next.js proxies the request to that arbitrary host and serves the response from the application's origin, leading to Server-Side Request forgery. A redirects(
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:8d31d6aee313f392694777d45b4de8c20b1470efb7b8b447783c78cbb8792bd0
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cwe · 2 assertions

{"cweId":"CWE-918","description":"CWE-918: Server-Side Request Forgery (SSRF)","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:3ab491c57e35c11a63a98ad876fda8a9f2b81e2b363d3efbd97f89ea34092e97 · sha256:75154b5adccb9c8e… · /containers/cna/problemTypes/0/descriptions/0

{"cweId":"CWE-601","description":"CWE-601: URL Redirection to Untrusted Site ('Open Redirect')","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:3ab491c57e35c11a63a98ad876fda8a9f2b81e2b363d3efbd97f89ea34092e97 · sha256:75154b5adccb9c8e… · /containers/cna/problemTypes/1/descriptions/0

Affected products and versions

1 source assertion
{"product":"next.js","vendor":"vercel","versions":[{"status":"affected","version":">= 12.0.0 < 15.5.21"},{"status":"affected","version":">= 16.0.0, < 16.2.11"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:3ab491c57e35c11a63a98ad876fda8a9f2b81e2b363d3efbd97f89ea34092e97 · sha256:75154b5adccb9c8e… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackRequirements":"PRESENT","attackVector":"NETWORK","baseScore":8.3,"baseSeverity":"HIGH","privilegesRequired":"NONE","subAvailabilityImpact":"NONE","subConfidentialityImpact":"LOW","subIntegrityImpact":"LOW","userInteraction":"NONE","vectorString":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:L/VA:N/SC:L/SI:L/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"LOW"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:3ab491c57e35c11a63a98ad876fda8a9f2b81e2b363d3efbd97f89ea34092e97 · sha256:75154b5adccb9c8e… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

2 source assertions
{"cweId":"CWE-918","description":"CWE-918: Server-Side Request Forgery (SSRF)","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:3ab491c57e35c11a63a98ad876fda8a9f2b81e2b363d3efbd97f89ea34092e97 · sha256:75154b5adccb9c8e… · /containers/cna/problemTypes/0/descriptions/0
{"cweId":"CWE-601","description":"CWE-601: URL Redirection to Untrusted Site ('Open Redirect')","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:3ab491c57e35c11a63a98ad876fda8a9f2b81e2b363d3efbd97f89ea34092e97 · sha256:75154b5adccb9c8e… · /containers/cna/problemTypes/1/descriptions/0

Source references

5 source assertions
{"name":"https://github.com/vercel/next.js/commit/35f501357e9b0fe7c950b0d6aa8fcf5343f707e9","tags":["x_refsource_MISC"],"url":"https://github.com/vercel/next.js/commit/35f501357e9b0fe7c950b0d6aa8fcf5343f707e9"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:3ab491c57e35c11a63a98ad876fda8a9f2b81e2b363d3efbd97f89ea34092e97 · sha256:75154b5adccb9c8e… · /containers/cna/references/1
{"name":"https://github.com/vercel/next.js/commit/d3033266c6dff23f7be71e19341fe3a8c6e2c599","tags":["x_refsource_MISC"],"url":"https://github.com/vercel/next.js/commit/d3033266c6dff23f7be71e19341fe3a8c6e2c599"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:3ab491c57e35c11a63a98ad876fda8a9f2b81e2b363d3efbd97f89ea34092e97 · sha256:75154b5adccb9c8e… · /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:v2:3ab491c57e35c11a63a98ad876fda8a9f2b81e2b363d3efbd97f89ea34092e97 · sha256:75154b5adccb9c8e… · /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:v2:3ab491c57e35c11a63a98ad876fda8a9f2b81e2b363d3efbd97f89ea34092e97 · sha256:75154b5adccb9c8e… · /containers/cna/references/4
{"name":"https://github.com/vercel/next.js/security/advisories/GHSA-p9j2-gv94-2wf4","tags":["x_refsource_CONFIRM"],"url":"https://github.com/vercel/next.js/security/advisories/GHSA-p9j2-gv94-2wf4"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:3ab491c57e35c11a63a98ad876fda8a9f2b81e2b363d3efbd97f89ea34092e97 · sha256:75154b5adccb9c8e… · /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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