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Published vulnerabilities with severity, known exploitation and official sources.
CVE-2026-33263
Medium · 4.3
CWE-403 Aug 28, 2026
When mail_max_userip_connections is set (default 10) and reached, submission-login can…
When mail_max_userip_connections is set (default 10) and reached, submission-login can crash with epoll() panic caused by file descriptor handling issues. If running in high-security mode (default for community releases), only the new submission connection gets terminated. If running in high-performance mode (default for Pro releases), all connections handled by the submission-login process will be terminated. The crashes can cause failure for user to send a message, or it can cause duplicate messages to be sent. If TLS is not used (in the backend server processing the submission), duplicate deliveries cannot happen, because the crash can only happen at AUTH stage. Limit the number of connections handled by single submission-login process. This has a performance impact though. Update to non-vulnerable version. No publicly available exploits are known.
CVE-2026-16526
High · 8.8
CWE-403 Jul 30, 2026
Pcp: pcp: privilege escalation to root via linux_sockets pmda vulnerability
A flaw in the PCP linux_sockets module exposes an unsecured internal connection.
An attacker with initial code execution can exploit this to escalate privileges and execute arbitrary commands as root.
CVE-2026-40042
Critical · 9.8
CWE-403 Apr 13, 2026
Pachno 1.0.6 XML External Entity Injection in TextParser
Pachno 1.0.6 contains an XML external entity injection vulnerability that allows unauthenticated attackers to read arbitrary files by exploiting unsafe XML parsing in the TextParser helper. Attackers can inject malicious XML entities through wiki table syntax and inline tags in issue descriptions, comments, and wiki articles to trigger entity resolution via simplexml_load_string() without LIBXML_NONET restrictions.
CVE-2025-15114
Critical · 9.8
CWE-403 Dec 30, 2025
Ksenia Security lares Home Automation 1.6 PIN Exposure Vulnerability
Ksenia Security lares (legacy model) Home Automation version 1.6 contains a critical security flaw that exposes the alarm system PIN in the 'basisInfo' XML file after authentication. Attackers can retrieve the PIN from the server response to bypass security measures and disable the alarm system without additional authentication.
CVE-2024-58280
High · 8.8
CWE-403 Dec 10, 2025
CMSimple 5.15 Remote Command Execution via Extensions Configuration
CMSimple 5.15 contains a remote command execution vulnerability that allows authenticated attackers to modify file extensions and upload malicious PHP files. Attackers can append ',php' to Extensions_userfiles and upload a shell script to the media directory to execute arbitrary code on the server.