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CVE-2026-23829

🗓️ 18 Jan 2026 23:23:04Reported by GitHub_MType 
cve
 cve
🔗 web.nvd.nist.gov👁 11 Views

CVE-2026-23829: Mailpit SMTP header injection via regex bypass allows CR or LF in addresses.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
FreeBSD
mail/mailpit -- multiple vulnerabilities
18 Jan 202600:00
freebsd
GithubExploit
Exploit for CVE-2026-23829
28 Jan 202603:28
githubexploit
GithubExploit
Exploit for CVE-2026-23829
19 Feb 202601:47
githubexploit
ATTACKERKB
CVE-2026-23829
18 Jan 202623:23
attackerkb
Circl
CVE-2026-23829
17 Jan 202622:52
circl
CNNVD
Mailpit security vulnerabilities
19 Jan 202600:00
cnnvd
Cvelist
CVE-2026-23829 Mailpit has SMTP Header Injection via Regex Bypass
18 Jan 202623:23
cvelist
EUVD
EUVD-2026-3297
20 Jan 202617:54
euvd
Tenable Nessus
FreeBSD : mail/mailpit -- multiple vulnerabilities (01f34a27-f560-11f0-bbdc-10ffe07f9334)
20 Jan 202600:00
nessus
Github Security Blog
Mailpit has an SMTP Header Injection via Regex Bypass
20 Jan 202617:54
github
Rows per page
NVD
Vulners
Node
axllentmailpitRange<1.28.3
[
  {
    "vendor": "axllent",
    "product": "mailpit",
    "versions": [
      {
        "version": "< 1.28.3",
        "status": "affected"
      }
    ]
  }
]

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23 Feb 2026 17:29Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.15.3
EPSS0.01594
SSVC
11