net-imap: Net::IMAP: Arbitrary IMAP command injection due to improper input validation

A flaw was found in Net::IMAP, a Ruby library that implements Internet Message Access Protocol IMAP client functionality. This vulnerability arises from improper input validation when handling ID field values and arguments to the enable command. A remote attacker could exploit this by injecting...

CVE-2026-71244

Paperless-ngx's MailAccountViewSet.test action, when called with an existing account's ID and a masked password field, reuses the stored password, accounttype, refreshtoken, and expiration from that existing account while allowing the caller to supply a different imapserver, imapport, and...

CVE-2026-71244

Paperless-ngx's MailAccountViewSet.test action, when called with an existing account's ID and a masked password field, reuses the stored password, accounttype, refreshtoken, and expiration from that existing account while allowing the caller to supply a different imapserver, imapport, and...

CVE-2026-71244 Paperless-ngx - Mail Account Test Connection Leaks Stored IMAP/OAuth Credentials to Attacker-Controlled Host

Paperless-ngx's MailAccountViewSet.test action, when called with an existing account's ID and a masked password field, reuses the stored password, accounttype, refreshtoken, and expiration from that existing account while allowing the caller to supply a different imapserver, imapport, and...

CVE-2026-71244 Paperless-ngx - Mail Account Test Connection Leaks Stored IMAP/OAuth Credentials to Attacker-Controlled Host

Paperless-ngx's MailAccountViewSet.test action, when called with an existing account's ID and a masked password field, reuses the stored password, accounttype, refreshtoken, and expiration from that existing account while allowing the caller to supply a different imapserver, imapport, and...

CVE-2026-71244

Paperless-ngx: The MailAccountViewSet.test() action can reuse stored credentials (IMAP password/OAuth token) from an existing account when a caller with object-level change_mailaccount permission redirects the test connection to an attacker-controlled IMAP host, causing exposure of real credentia...

net-imap: Net::IMAP: Command injection via non-synchronizing literals

A flaw was found in Net::IMAP, a Ruby library that provides Internet Message Access Protocol IMAP client functionality. This vulnerability allows a remote attacker to inject arbitrary IMAP commands. This is possible when an IMAP server does not support non-synchronizing literals, leading to the...

net-imap: Net::IMAP: Arbitrary IMAP command injection via CRLF sequences in unvalidated input

A flaw was found in Net::IMAP before 0.4.24, 0.5.14, and 0.6.4. Several commands accept raw string arguments sent to the server without validation or escaping; if derived from user-controlled input, CRLF sequences allow injection of arbitrary IMAP commands...

Important: Red Hat Security Advisory: ruby:3.3 security, bug fix, and enhancement update

An update for the ruby:3.3 module is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each...

net-imap: rubygem-net-imap: Net::IMAP: Denial of Service via malformed command input

A flaw was found in Net::IMAP, a Ruby client library for the Internet Message Access Protocol IMAP. This vulnerability allows a remote attacker to cause a denial of service by sending specially crafted input to certain Net::IMAP commands. When a raw string argument, derived from user-controlled...

net-imap: Net::IMAP: Arbitrary IMAP command injection due to improper input validation

A flaw was found in Net::IMAP, a Ruby library that implements Internet Message Access Protocol IMAP client functionality. This vulnerability arises from improper input validation when handling ID field values and arguments to the enable command. A remote attacker could exploit this by injecting...

ruby/net-imap: ruby: Net::IMAP: Denial of Service via large iteration count in SCRAM authentication

A flaw was found in Net::IMAP, a Ruby library for Internet Message Access Protocol IMAP client functionality. A hostile server can exploit this vulnerability during SCRAM-SHA1 or SCRAM-SHA256 Salted Challenge Response Authentication Mechanism - Secure Hash Algorithm 1 or 256 authentication by...

ALSA-2026:50773 Important: ruby4.0 security, bug fix, and enhancement update

Ruby is the interpreted scripting language for quick and easy object-oriented programming. It has many features to process text files and to do system management tasks as in Perl. It is simple, straight-forward, and extensible. Security Fixes: zlib: zlib: Memory corruption via buffer overflow in...

Important: ruby:4.0 security, bug fix, and enhancement update

Ruby is an extensible, interpreted, object-oriented, scripting language. It has features to process text files and to perform system management tasks. Security Fixes: zlib: zlib: Memory corruption via buffer overflow in Zlib::GzipReader CVE-2026-27820 net-imap: Net::IMAP: Arbitrary IMAP command...

ALSA-2026:50828 Important: ruby:3.3 security, bug fix, and enhancement update

Ruby is an extensible, interpreted, object-oriented, scripting language. It has features to process text files and to perform system management tasks. Security Fixes: zlib: zlib: Memory corruption via buffer overflow in Zlib::GzipReader CVE-2026-27820 net-imap: Net::IMAP: Arbitrary IMAP command...

MiracleLinux 9 : ruby-3.0.7-167.el9_8 (AXSA:2026-1454:04)

The remote MiracleLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2026-1454:04 advisory. ruby/net-imap: ruby: Net::IMAP: IMAP Command Injection via Symbol Arguments CVE-2026-42258 net-imap: ruby: Net::IMAP: Information disclosure via...

Important: ruby:3.3 security, bug fix, and enhancement update

Ruby is an extensible, interpreted, object-oriented, scripting language. It has features to process text files and to perform system management tasks. Security Fixes: zlib: zlib: Memory corruption via buffer overflow in Zlib::GzipReader CVE-2026-27820 net-imap: Net::IMAP: Arbitrary IMAP command...

ALSA-2026:50827 Important: ruby:4.0 security, bug fix, and enhancement update

Ruby is an extensible, interpreted, object-oriented, scripting language. It has features to process text files and to perform system management tasks. Security Fixes: zlib: zlib: Memory corruption via buffer overflow in Zlib::GzipReader CVE-2026-27820 net-imap: Net::IMAP: Arbitrary IMAP command...

ALSA-2026:50778 Important: ruby security, bug fix, and enhancement update

Ruby is an extensible, interpreted, object-oriented, scripting language. It has features to process text files and to perform system management tasks. Security Fixes: zlib: zlib: Memory corruption via buffer overflow in Zlib::GzipReader CVE-2026-27820 net-imap: Net::IMAP: Arbitrary IMAP command...

Important: ruby:3.3 security, bug fix, and enhancement update

Ruby is an extensible, interpreted, object-oriented, scripting language. It has features to process text files and to perform system management tasks. Security Fixes: zlib: zlib: Memory corruption via buffer overflow in Zlib::GzipReader CVE-2026-27820 net-imap: Net::IMAP: Arbitrary IMAP command...