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...

PT-2026-107886

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-2026-104704: Cleartext Transmission of Sensitive Information

Progressive Robot hMailServer 6.0.0 through 6.3.5 does not enforce TLS for outbound SMTP delivery to a mail exchanger whose DNSSEC-validated TLSA records contain no DANE-EE usage 3 record, contrary to RFC 7672 section 2.2. The server used only DANE-EE records and treated a validated TLSA record s...

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-2026-107582: 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-2026-107575: Inefficient Algorithmic Complexity

Inefficient algorithmic complexity in the SPF macro expansion of Progressive Robot hMailServer 6.3.4 and 6.3.5 allows a remote unauthenticated attacker to consume worker-thread time by publishing a crafted SPF record. RFC 7208 section 7.1 requires a name too long to look up to lose whole labels...

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...

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

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...

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...