CVE-2026-107586: Allocation of Resources Without Limits or Throttling

Uncontrolled eviction in the browser session table of the REST API in Progressive Robot hMailServer 6.2.28 through 6.3.5 allows a remote authenticated user to end other users' sessions. The table of browser sessions, shared by every account, the server administrator and support sessions, dropped...

CVE-2026-107572: Inefficient Regular Expression Complexity

Inefficient complexity in the Sieve filter evaluation of Progressive Robot hMailServer 6.2.24 through 6.3.5 allows an authenticated account holder to make the mail services unavailable with their own filter. A ':matches' pattern was matched by a backtracking descent whose time grew with the match...

CVE-2026-103647: Improper Neutralization of Input During Web Page Generation

Cross-site scripting in the webmail of Progressive Robot hMailServer 6.3.2 through 6.3.5 allows a remote attacker who can send a user an encrypted message to run script in the webmail's origin with that user's session. When the webmail decrypted an S/MIME message from 6.3.2 or an OpenPGP message...

CVE-2026-103011: Heap-based Buffer Overflow

Heap-based buffer overflow in the legacy Blowfish encryption routine BlowFishEncryptor::Encode, called by EncryptToString in Progressive Robot hMailServer 6.0.0 through 6.3.5 allows an authenticated mailbox user to cause a denial of service service crash, and possibly other unspecified impact. In...

CVE-2026-107582: Inefficient Algorithmic Complexity

Inefficient algorithmic complexity in the REST API 6.3.3 through 6.3.5 and the IMAP PREVIEW response 6.2.22 through 6.3.5 of Progressive Robot hMailServer allows a remote unauthenticated attacker to make the webmail, the administration console and the REST API unavailable by sending a message. To...

CVE-2026-107584: Not Failing Securely

Progressive Robot hMailServer 6.0.0 through 6.3.5 fails open when applying DANE RFC 7672 to outbound SMTP delivery. The server's validating DNSSEC resolver treated a TLSA or MX lookup that did not complete no answer, SERVFAIL, a malformed reply, an answer without the requested records and without...

CVE-2026-100741

Eval injection in the JScript event-script dispatcher in Progressive Robot Ltd's hMailServer, versions 6.0.0 through 6.3.3 on Windows, allows a remote, unauthenticated attacker to run arbitrary JScript inside the hMailServer service process, with the privileges of the service account, via a...

CVE-2026-100741 Improper Neutralization of Directives in Dynamically Evaluated Code ('Eval Injection') in hMailServer

Eval injection in the JScript event-script dispatcher in Progressive Robot Ltd's hMailServer, versions 6.0.0 through 6.3.3 on Windows, allows a remote, unauthenticated attacker to run arbitrary JScript inside the hMailServer service process, with the privileges of the service account, via a...

CVE-2026-100741

Progressive Robot Ltd's hMailServer (versions 6.0.0 through 6.3.3 on Windows) is vulnerable to Eval injection in the JScript event-script dispatcher. An unauthenticated remote attacker can execute arbitrary JScript within the hMailServer service process by sending a password containing a backslas...

EUVD-2026-87904

Eval injection in the JScript event-script dispatcher in Progressive Robot Ltd's hMailServer, versions 6.0.0 through 6.3.3 on Windows, allows a remote, unauthenticated attacker to run arbitrary JScript inside the hMailServer service process, with the privileges of the service account, via a...

CVE-2026-100741 Improper Neutralization of Directives in Dynamically Evaluated Code ('Eval Injection') in hMailServer

Eval injection in the JScript event-script dispatcher in Progressive Robot Ltd's hMailServer, versions 6.0.0 through 6.3.3 on Windows, allows a remote, unauthenticated attacker to run arbitrary JScript inside the hMailServer service process, with the privileges of the service account, via a...

CVE-2026-100741 Improper Neutralization of Directives in Dynamically Evaluated Code ('Eval Injection') in hMailServer

Eval injection in the JScript event-script dispatcher in Progressive Robot Ltd's hMailServer, versions 6.0.0 through 6.3.3 on Windows, allows a remote, unauthenticated attacker to run arbitrary JScript inside the hMailServer service process, with the privileges of the service account, via a...

CVE-2026-100741: Improper Neutralization of Directives in Dynamically Evaluated Code

Eval injection in the JScript event-script dispatcher in Progressive Robot Ltd's hMailServer, versions 6.0.0 through 6.3.3 on Windows, allows a remote, unauthenticated attacker to run arbitrary JScript inside the hMailServer service process, with the privileges of the service account, via a...

PT-2026-99509

Name of the Vulnerable Software and Affected Versions hMailServer versions 6.0.0 through 6.3.3 Description An eval injection exists in the JScript event-script dispatcher on Windows. A remote, unauthenticated attacker can execute arbitrary JScript within the service process using the privileges o...

EUVD-2013-5411

Malware in sbrugna...

EUVD-2008-3662

Malware in sbrugna...

EUVD-2025-22115

Malicious code in bioql PyPI...

EUVD-2025-22112

Malicious code in bioql PyPI...

EUVD-2025-22113

Malicious code in bioql PyPI...

CVE-2025-52373

Use of hardcoded cryptographic key in BlowFish.cpp in hMailServer 5.8.6 and 5.6.9-beta allows attacker to decrypt passwords used in database connections from hMailServer.ini config file...