CVE-2026-30227: Improper Neutralization of CRLF Sequences

MimeKit is a C library which may be used for the creation and parsing of messages using the Multipurpose Internet Mail Extension MIME, as defined by numerous IETF specifications. Prior to version 4.15.1, a CRLF injection vulnerability in MimeKit allows an attacker to embed \r\n into the SMTP...

PT-2026-23616

Name of the Vulnerable Software and Affected Versions MimeKit versions prior to 4.15.1 MailKit versions prior to 4.15.1 Description A CRLF injection flaw exists in MimeKit and MailKit when handling SMTP envelope addresses. Specifically, when the local-part of an address is a quoted-string, the...

Security Bulletin: SMTP Command Injection Vulnerability in Netty SMTP Codec (Fixed in 4.1.129.Final and 4.2.8.Final) affect IBM watsonx.data

Summary Netty versions prior to 4.1.129.Final and 4.2.8.Final contains an SMTP command injection vulnerability in its SMTP codec due to improper CRLF validation. Attackers who control SMTP parameters can inject arbitrary commands, potentially forging emails that pass SPF and DKIM checks. Upgradin...

CVE-2026-28215

hoppscotch is an open source API development ecosystem. Prior to version 2026.2.0, an unauthenticated attacker can overwrite the entire infrastructure configuration of a self-hosted Hoppscotch instance including OAuth provider credentials and SMTP settings by sending a single HTTP POST request wi...

CVE-2026-28215 hoppscotch Vulnerable to Unauthenticated Onboarding Config Takeover

hoppscotch is an open source API development ecosystem. Prior to version 2026.2.0, an unauthenticated attacker can overwrite the entire infrastructure configuration of a self-hosted Hoppscotch instance including OAuth provider credentials and SMTP settings by sending a single HTTP POST request wi...

EUVD-2026-8912

hoppscotch is an open source API development ecosystem. Prior to version 2026.2.0, an unauthenticated attacker can overwrite the entire infrastructure configuration of a self-hosted Hoppscotch instance including OAuth provider credentials and SMTP settings by sending a single HTTP POST request wi...

CVE-2026-28215

CVE-2026-28215 affects Hoppscotch (self-hosted) prior to 2026.2.0. The unauthenticated endpoint POST /v1/onboarding/config has no guards and can overwrite the infrastructure configuration, including OAuth provider credentials and SMTP settings, by a single HTTP POST. Successful exploitation allow...

Server-side Request Forgery (SSRF)

Overview Affected versions of this package are vulnerable to Server-side Request Forgery SSRF via the doHead function in the Link Check API, which performs HTTP HEAD requests to URLs extracted from email content without validating target hosts or filtering private/internal IP addresses. An attack...

Server-side Request Forgery (SSRF)

Overview Affected versions of this package are vulnerable to Server-side Request Forgery SSRF via the doHead function in the Link Check API, which performs HTTP HEAD requests to URLs extracted from email content without validating target hosts or filtering private/internal IP addresses. An attack...

PT-2026-22210

Name of the Vulnerable Software and Affected Versions Hoppscotch versions prior to 2026.2.0 Description Hoppscotch, an API development ecosystem, had a critical security issue where an unauthenticated attacker could overwrite the entire infrastructure configuration of a self-hosted instance. This...

ROS-20260224-73-0003

A vulnerability in the ngxmailsmtp response header handler of NGINX Plus and NGINX Open Source web servers is related to a violation of the initial buffer boundary. Exploitation of the vulnerability could allow an attacker acting remotely to gain read access to the data...

CVE-2026-2938

The CVE-2026-2938 entry relates to SourceCodester Student Result Management System 1.0, affecting the file /srms/script/admin/core/update_smtp.php. The root cause is an unspecified function allowing improper access controls, enabling remote initiation of an attack. Public exploit disclosure is no...

CVE-2026-2938

A vulnerability has been found in SourceCodester Student Result Management System 1.0. The affected element is an unknown function of the file /srms/script/admin/core/updatesmtp.php. The manipulation leads to improper access controls. It is possible to initiate the attack remotely. The exploit ha...

CVE-2026-23609

GFI MailEssentials AI versions prior to 22.4 contain a stored cross-site scripting vulnerability in the Perimeter SMTP Servers configuration page. An authenticated user can supply HTML/JavaScript in the ctl00$ContentPlaceHolder1$pv3$txtDescription parameter to...

CVE-2026-23616

GFI MailEssentials AI versions prior to 22.4 contain a stored cross-site scripting vulnerability in the Anti-Spoofing configuration page. An authenticated user can supply HTML/JavaScript in the ctl00$ContentPlaceHolder1$AntiSpoofingGeneral1$TxtSmtpDesc parameter to...

GHSA-83PF-V6QQ-PWMR Fickling has a detection bypass via stdlib network-protocol constructors

Our assessment imtplib, imaplib, ftplib, poplib, telnetlib, and nntplib were added to the list of unsafe imports https://github.com/trailofbits/fickling/commit/6d20564d23acf14b42ec883908aed159be7b9ade. The UnusedVariables heuristic works as expected. Original report Summary Fickling's checksafety...

CVE-2026-23609

GFI MailEssentials AI versions prior to 22.4 contain a stored cross-site scripting vulnerability in the Perimeter SMTP Servers configuration page. An authenticated user can supply HTML/JavaScript in the ctl00$ContentPlaceHolder1$pv3$txtDescription parameter to...

CVE-2026-23609

GFI MailEssentials AI versions prior to 22.4 contain a stored cross-site scripting vulnerability in the Perimeter SMTP Servers configuration page. An authenticated user can supply HTML/JavaScript in the ctl00$ContentPlaceHolder1$pv3$txtDescription parameter to...

CVE-2026-23616 GFI MailEssentials AI < 22.4 Anti-Spam Anti-Spoofing Description Stored XSS

GFI MailEssentials AI versions prior to 22.4 contain a stored cross-site scripting vulnerability in the Anti-Spoofing configuration page. An authenticated user can supply HTML/JavaScript in the ctl00$ContentPlaceHolder1$AntiSpoofingGeneral1$TxtSmtpDesc parameter to...

CVE-2026-23609 GFI MailEssentials AI < 22.4 General Settings Perimeter SMTP Servers Description Stored XSS

GFI MailEssentials AI versions prior to 22.4 contain a stored cross-site scripting vulnerability in the Perimeter SMTP Servers configuration page. An authenticated user can supply HTML/JavaScript in the ctl00$ContentPlaceHolder1$pv3$txtDescription parameter to...