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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👁 35 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
BDU FSTEC		The vulnerability of the Next.js software platform for creating web applications lies in the insufficient protection of sensitive data, allowing attackers to gain unauthorized access to protected information.
3 Jun 202500:00
–bdu_fstec
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
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
EPSS0.00371
SSVC
CWE-200
next.jsmiddlewarevulnerabilityx-middleware-subrequest-idsecuritybug bounty programindependent researchers.
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