KEV Entry

CVE-2025-29927

Known Exploited Vulnerability Entry Previdian

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Entry Details
Confirmed Exploited

CVE-2025-29927

2025-12-15 15:29 CET

Timestamps

2025-12-15

2025-12-15

Scope

Authorization Bypass in Next.js Middleware | Affected: Vercel / next.js | CVSS: 9.1 (CRITICAL) | EPSS: 0.99225 | Used in malware: unknown | Not yet in CISA KEV: True

References
  • {'id': 'CVE-2025-29927', 'url': 'https://www.cve.org/CVERecord?id=CVE-2025-29927'}
  • {'id': 'GHSA-F82V-JWR5-MFFW', 'url': 'https://github.com/advisories/GHSA-F82V-JWR5-MFFW'}
  • {'id': 'previdian', 'url': 'https://previdian.com/CVE-2025-29927'}

cfff0f14-96ea-4bab-8ddc-890cf7ccb4b3

Previdian
caeb2787-0d58-4236-9039-7c86c3e566f3

2026-10-02 09:09 CEST

2026-10-02 09:09 CEST

Evidence
1
Type Source Signal Confidence Details GCVE Metadata
public_report previdian successful_exploitation 0.70
View details 
{
  "added_date": "2025-12-15T14:29:13.422Z",
  "ahead_of_cisa_kev": null,
  "cve_id": "CVE-2025-29927",
  "cvss_estimated": false,
  "cvss_score": 9.1,
  "cvss_severity": "CRITICAL",
  "epss_percentile": 0.99936,
  "epss_score": 0.99225,
  "feed": "Previdian (previdian.com)",
  "ghsa_id": "GHSA-F82V-JWR5-MFFW",
  "not_yet_in_cisa_kev": true,
  "previous_ids": [],
  "product": "next.js",
  "title": "Authorization Bypass in Next.js Middleware",
  "used_in_malware": "unknown",
  "vendor": "Vercel",
  "virtual_patch": false,
  "vulnerability_id": "CVE-2025-29927"
}
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