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CVE-2026-40020

🗓️ 12 May 2026 13:28:46Reported by OXType 
cve
 cve
🔗 web.nvd.nist.gov👁 6 Views

CVE-2026-40020: SETACL can grant anyone rights to a user's access control list, causing spam.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-40020
12 May 202613:28
attackerkb
AlpineLinux
CVE-2026-40020
12 May 202613:28
alpinelinux
CNNVD
Open-Xchange OX Dovecot Pro 访问控制错误漏洞
12 May 202600:00
cnnvd
Cvelist
CVE-2026-40020
12 May 202613:28
cvelist
Debian
[SECURITY] [DSA 6313-1] dovecot security update
31 May 202618:25
debian
Debian CVE
CVE-2026-40020
12 May 202613:28
debiancve
Tenable Nessus
Debian dsa-6313 : dovecot-auth-lua - security update
2 Jun 202600:00
nessus
Tenable Nessus
Fedora 43 : dovecot (2026-693373747f)
3 Jun 202600:00
nessus
Tenable Nessus
Fedora 44 : dovecot (2026-96eeb03b88)
2 Jun 202600:00
nessus
Tenable Nessus
Linux Distros Unpatched Vulnerability : CVE-2026-40020
20 May 202600:00
nessus
Rows per page
NVD
Node
dovecotdovecotRange<2.4.4
OR
open-xchangedovecotRange<3.1.5pro
[
  {
    "defaultStatus": "unaffected",
    "modules": [
      "core"
    ],
    "product": "OX Dovecot Pro",
    "vendor": "Open-Xchange GmbH",
    "versions": [
      {
        "lessThanOrEqual": "2.3.0",
        "status": "affected",
        "version": "0",
        "versionType": "semver"
      }
    ]
  }
]

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18 May 2026 17:36Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.13.1 - 4.3
EPSS0.00014
SSVC
6