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EUVD-2026-24255

🗓️ 21 Apr 2026 19:15:39Reported by EUVDType 
euvd
 euvd
🔗 euvd.enisa.europa.eu👁 2 Views

mailcow: dockerized quarantine escape flaw allows XSS via attachment names; fixed in 2026-03b.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
Circl
CVE-2026-40873
21 Apr 202621:26
circl
CNNVD
mailcow: dockerized 跨站脚本漏洞
21 Apr 202600:00
cnnvd
CVE
CVE-2026-40873
21 Apr 202619:15
cve
Cvelist
CVE-2026-40873 mailcow: dockerized vulnerable to stored XSS in Quarantine attachment filenames
21 Apr 202619:15
cvelist
NVD
CVE-2026-40873
21 Apr 202620:17
nvd
Positive Technologies
PT-2026-34054
21 Apr 202600:00
ptsecurity
RedhatCVE
CVE-2026-40873
5 Jun 202619:13
redhatcve
Vulnrichment
CVE-2026-40873 mailcow: dockerized vulnerable to stored XSS in Quarantine attachment filenames
21 Apr 202619:15
vulnrichment
[
  {
    "enisaIdVendor": [
      {
        "id": "7ed9a28f-bd4d-3b61-a2bd-e23ec7410f01",
        "vendor": {
          "name": "mailcow"
        }
      }
    ],
    "enisaIdProduct": [
      {
        "id": "6c91c9d8-1851-316e-8e80-9fa23b2003a6",
        "product": {
          "name": "mailcow-dockerized"
        },
        "product_version": "< 2026-03b"
      }
    ]
  }
]

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21 Apr 2026 19:39Current
5.9Medium risk
Vulners AI Score5.9
CVSS 48.9
EPSS0.00112
SSVC
2