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CVE-2026-27860

🗓️ 27 Mar 2026 08:10:22Reported by OXType 
cve
 cve
🔗 web.nvd.nist.gov👁 8 Views

Dovecot LDAP auth with empty auth_username_chars allows LDAP filter injection and bypass.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-27860
27 Mar 202608:10
attackerkb
AlpineLinux
CVE-2026-27860
27 Mar 202608:10
alpinelinux
Circl
CVE-2026-27860
27 Mar 202612:32
circl
CNNVD
Open-Xchange OX Dovecot Pro 安全漏洞
27 Mar 202600:00
cnnvd
Cvelist
CVE-2026-27860
27 Mar 202608:10
cvelist
Debian
[SECURITY] [DSA 6197-1] dovecot security update
5 Apr 202615:22
debian
Debian CVE
CVE-2026-27860
27 Mar 202608:10
debiancve
Tenable Nessus
Debian dsa-6197 : dovecot-auth-lua - security update
5 Apr 202600:00
nessus
Tenable Nessus
openSUSE 16 Security Update : dovecot24 (openSUSE-SU-2026:20554-1)
22 Apr 202600:00
nessus
Tenable Nessus
SUSE SLES16 Security Update : dovecot24 (SUSE-SU-2026:21208-1)
22 Apr 202600:00
nessus
Rows per page
NVD
Node
dovecotdovecotRange<2.4.3
OR
open-xchangedovecotRange<3.1.4pro
[
  {
    "defaultStatus": "unaffected",
    "modules": [
      "core"
    ],
    "product": "OX Dovecot Pro",
    "vendor": "Open-Xchange GmbH",
    "versions": [
      {
        "lessThanOrEqual": "3.1.0",
        "status": "affected",
        "version": "0",
        "versionType": "semver"
      },
      {
        "lessThanOrEqual": "2.4.0",
        "status": "affected",
        "version": "0",
        "versionType": "semver"
      }
    ]
  }
]

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29 Apr 2026 19:26Current
6Medium risk
Vulners AI Score6
CVSS 3.13.7 - 5.3
EPSS0.00286
SSVC
8