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Next.js may leak x-middleware-subrequest-id to external hosts

🗓️ 02 Apr 2025 22:35:37Reported by GitHub Advisory DatabaseType 
github
 github🔗 github.com👁 33 Views

Next.js may expose x-middleware-subrequest-id to external hosts; low severity vulnerability confirmed.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
IBM Security Bulletins		Security Bulletin: Multiple Vulnerabilities in IBM Event Processing
30 Dec 202512:59
–ibm
Circl		CVE-2025-30218
2 Apr 202518:14
–circl
CNNVD		Next.js 信息泄露漏洞
2 Apr 202500:00
–cnnvd
CVE		CVE-2025-30218
2 Apr 202521:23
–cve
Cvelist		CVE-2025-30218 Next.js may leak x-middleware-subrequest-id to external hosts
2 Apr 202521:23
–cvelist
EUVD		EUVD-2025-9629
3 Oct 202520:07
–euvd
NVD		CVE-2025-30218
2 Apr 202522:15
–nvd
OSV		CLEANSTART-2026-IL36032 Security fixes for CVE-2025-30218, CVE-2025-49005, CVE-2025-65945, ghsa-2mjp-6q6p-2qxm, ghsa-33vc-wfww-vjfv, ghsa-43fc-jf86-j433, ghsa-4992-7rv2-5pvq, ghsa-4hjh-wcwx-xvwj, ghsa-554w-wpv2-vw27, ghsa-5gfm-wpxj-wjgq, ghsa-5jpx-9hw9-2fx4, ghsa-65ch-62r8-g69g, ghsa-869p-cjfg-cm3x, ghsa-968p-4wvh-cqc8, ghsa-9g9p-9gw9-jx7f, ghsa-9qr9-h5gf-34mp, ghsa-f269-vfmq-vjvj, ghsa-fjxv-7rqg-78g4, ghsa-g9mf-h72j-4rw9, ghsa-h25m-26qc-wcjf, ghsa-jmr7-xgp7-cmfj, ghsa-m7jm-9gc2-mpf2, ghsa-mwv6-3258-q52c, ghsa-rcmh-qjqh-p98v, ghsa-v9p9-hfj2-hcw8, ghsa-vrm6-8vpv-qv8q, ghsa-w37m-7fhw-fmv9, ghsa-xxjr-mmjv-4gpg applied in versions: 2.11.0-r0, 2.11.0-r2
1 Apr 202609:39
–osv
OSV		CVE-2025-30218 Next.js may leak x-middleware-subrequest-id to external hosts
2 Apr 202521:23
–osv
OSV		GHSA-223J-4RM8-MRMF Next.js may leak x-middleware-subrequest-id to external hosts
2 Apr 202522:35
–osv
Rows per page
Vulners
Node
nextnextMatch15.2.3npm
OR
nextnextMatch14.2.25npm
OR
nextnextMatch13.5.9npm
OR
nextnextMatch12.3.5npm

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13 Oct 2025 15:35Current
6.9Medium risk
Vulners AI Score6.9
CVSS 3.15.9
CVSS 46.3
EPSS0.00234
SSVC
CWE-200
next.jsmiddlewarevulnerabilityx-middleware-subrequest-idsecuritybug bounty programindependent researchers.
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