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mailcow Vulnerability Details and Proof-of-Concept Steps Published for Five Flaws, Including Cross-Tenant RCE mailcow vulnerabilities details and proof-of-concept published for cross-tenant RCE and XSS
  • Vulnerability Report

mailcow Vulnerability Details and Proof-of-Concept Steps Published for Five Flaws, Including Cross-Tenant RCE

Do Son November 10, 2026 0

Details and proof-of-concept steps for five mailcow vulnerabilities are public, including a CVSS 9.1 cross-tenant RCE. Update to 2026-11.

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Critical Vulnerabilities

  • CVE-2026-125758CVSS 9.1
    Aptabase before commit 61d4c01 contains an authentication bypass vulnerability that allows unauthenticated attackers to forge sign-in links by...
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    📅 Updated: Nov 10, 2026
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