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CVE-2026-21859 Mailpit Proxy Endpoint is Vulnerable to Server-Side Request Forgery (SSRF)

🗓️ 07 Jan 2026 23:24:07Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 24 Views

Mailpit proxy SSRF in 1.28.0 and earlier; allows internal access via GET; fixed 1.28.1.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-27808
25 Feb 202623:51
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Circl
CVE-2026-21859
6 Jan 202602:23
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CNNVD
Mailpit 代码问题漏洞
8 Jan 202600:00
cnnvd
CVE
CVE-2026-21859
7 Jan 202623:24
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FreeBSD
mail/mailpit -- Server-Side Request Forgery
6 Jan 202600:00
freebsd
EUVD
EUVD-2026-1038
6 Jan 202617:44
euvd
Tenable Nessus
FreeBSD : mail/mailpit -- Server-Side Request Forgery (df33c83b-eb4f-11f0-a46f-0897988a1c07)
7 Jan 202600:00
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Github Security Blog
Mailpit Proxy Endpoint has Server-Side Request Forgery (SSRF) vulnerability
6 Jan 202617:44
github
Nuclei
Mailpit < 1.28.3 - Server-Side Request Forgery
3 Jun 202606:04
nuclei
NVD
CVE-2026-21859
8 Jan 202600:16
nvd
Rows per page
[
  {
    "vendor": "axllent",
    "product": "mailpit",
    "versions": [
      {
        "version": "< 1.28.1",
        "status": "affected"
      }
    ]
  }
]

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