mailcow vulnerabilities

Do Son November 10, 2026

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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CVE-2026-116606CVSS 9.3
An authentication bypass in Barracuda Email Security Gateway versions earlier than 9.4.0.030 allows an unauthenticated remote attacker to...
Admin intel📅 Updated: Nov 10, 2026
CVE-2026-125350
Use after free in XML. Reported by anonymous on 2026-11-06. Google is aware that an exploit for CVE-2026-125350...
Admin intel📅 Updated: Nov 10, 2026
CVE-2026-123751CVSS 9.8
The WP Duplicate WordPress plugin through 1.1.11 does not properly verify a request authentication value and does not...
Watchtower Verified📅 Updated: Nov 9, 2026
CVE-2026-111793CVSS 4.3
Openwave Webtop Media Transcoder does not enforce administrator-defined file type restrictions to restrict the file-types to be converted....
Admin intel📅 Updated: Nov 9, 2026
CVE-2026-114713CVSS 8.6
The labeled-response module in UnrealIRCd 6.0.0 before 6.2.7.1 does not escape the IRCv3 "label" message tag when echoing...
Admin intel📅 Updated: Nov 9, 2026
CVE-2026-116779CVSS 9.8
Summary `sofia_presence_handle_sip_i_message()` splits the To user of an inbound SIP MESSAGE on `+` and treats the left half...
CISA KEV📅 Added to KEV: Nov 9, 2026
CVE-2026-102895CVSS 9.8
GPUStack is an open-source GPU cluster manager for AI model serving and GPU instance provisioning. Prior to 2.2.0,...
CISA KEV📅 Added to KEV: Nov 9, 2026
CVE-2026-123158CVSS 8.1
sshd in OpenSSH before 10.6p2 on Linux, when musl libc is used without PAM, lacks a workaround for...
CISA KEV📅 Added to KEV: Nov 9, 2026

CVE-2026-125758CVSS 9.1
Aptabase before commit 61d4c01 contains an authentication bypass vulnerability that allows unauthenticated attackers to forge sign-in links by...
📅 Updated: Nov 10, 2026
CVE-2026-125757CVSS 9.4
mailcow: dockerized before 2026-11 contains a server-side template injection vulnerability that allows domain administrators to execute commands in...
📅 Updated: Nov 10, 2026
CVE-2026-124917CVSS 9.6
Sandbox escape due to use-after-free in the Widget: Gtk component. This vulnerability was fixed in Firefox 160 and...
📅 Updated: Nov 10, 2026
CVE-2026-124900CVSS 9.6
Sandbox escape due to use-after-free in the DOM: Service Workers component. This vulnerability was fixed in Firefox 160.
📅 Updated: Nov 10, 2026
CVE-2026-124903CVSS 9.6
Sandbox escape due to use-after-free in the IPC component. This vulnerability was fixed in Firefox 160, Firefox ESR...
📅 Updated: Nov 10, 2026
CVE-2026-124864CVSS 9.6
Sandbox escape due to use-after-free in the DOM: Service Workers component. This vulnerability was fixed in Firefox 160,...
📅 Updated: Nov 10, 2026
CVE-2026-124859CVSS 9.6
Sandbox escape due to incorrect boundary conditions in the Storage: Cache API component. This vulnerability was fixed in...
📅 Updated: Nov 10, 2026
CVE-2026-124861CVSS 9.6
Sandbox escape due to use-after-free in the Audio/Video: cubeb component. This vulnerability was fixed in Firefox 160, Firefox...
📅 Updated: Nov 10, 2026