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CVE-2026-41319 MailKit has STARTTLS Response Injection via unflushed stream buffer that enables SASL mechanism downgrade

🗓️ 24 Apr 2026 03:07:24Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 31 Views

MailKit STARTTLS injection allows man in the middle to downgrade SASL; fixed in version 4.16.0.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-41319
24 Apr 202603:07
attackerkb
Circl
CVE-2026-41319
17 Apr 202621:22
circl
CNNVD
MailKit 注入漏洞
24 Apr 202600:00
cnnvd
CVE
CVE-2026-41319
24 Apr 202603:07
cve
EUVD
EUVD-2026-25388
24 Apr 202603:07
euvd
Github Security Blog
MailKit has STARTTLS Response Injection via unflushed stream buffer that enables SASL mechanism downgrade
18 Apr 202601:13
github
NVD
CVE-2026-41319
24 Apr 202604:16
nvd
OSV
GHSA-9J88-VVJ5-VHGR MailKit has STARTTLS Response Injection via unflushed stream buffer that enables SASL mechanism downgrade
18 Apr 202601:13
osv
Positive Technologies
PT-2026-34845
18 Apr 202600:00
ptsecurity
RedhatCVE
CVE-2026-41319
25 Apr 202607:22
redhatcve
Rows per page
[
  {
    "vendor": "jstedfast",
    "product": "MailKit",
    "versions": [
      {
        "version": "< 4.16.0",
        "status": "affected"
      }
    ]
  }
]

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