Ubuntu 16.04 LTS : Ruby vulnerabilities (USN-8556-1)

The remote Ubuntu 16.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-8556-1 advisory. It was discovered that the Net::IMAP client in Ruby did not properly sanitize Symbol arguments passed to IMAP commands. A remote attacker controlling a...

Arbitrary Code Injection

Overview Affected versions of this package are vulnerable to Arbitrary Code Injection via CodeMethodWriter in CodeMethodWriter.cs and RubyConventionService in RubyConventionService.cs. An attacker can inject arbitrary Ruby code into generated client classes by supplying an OpenAPI specification...

Arbitrary Code Injection

Overview Affected versions of this package are vulnerable to Arbitrary Code Injection via CodeMethodWriter in CodeMethodWriter.cs and RubyConventionService in RubyConventionService.cs. An attacker can inject arbitrary Ruby code into generated client classes by supplying an OpenAPI specification...

CVE-2026-59861

Kiota is an OpenAPI based HTTP Client code generator. Prior to 1.29.1 and 1.32.0, Kiota's Ruby generator embedded OpenAPI default fields, property names, and other schema-derived strings through CodeMethodWriter.cs and SanitizeForQuotedLiteral in Writers/StringExtensions.cs into Ruby double-quote...

CVE-2026-59861

Kiota is an OpenAPI based HTTP Client code generator. Prior to 1.29.1 and 1.32.0, Kiota's Ruby generator embedded OpenAPI default fields, property names, and other schema-derived strings through CodeMethodWriter.cs and SanitizeForQuotedLiteral in Writers/StringExtensions.cs into Ruby double-quote...

CVE-2026-59861

Kiota Ruby generator vulnerability (CVE-2026-59861): Before version 1.32.0, the Ruby code generator embedded OpenAPI-derived strings into Ruby double-quoted literals without escaping interpolation markers (# {expr}, #$var, #@var). This allowed attacker-controlled interpolations to inject arbitrar...

CVE-2026-59861 Kiota: Code Generation Literal Injection in Kiota Ruby Generator

Kiota is an OpenAPI based HTTP Client code generator. Prior to 1.29.1 and 1.32.0, Kiota's Ruby generator embedded OpenAPI default fields, property names, and other schema-derived strings through CodeMethodWriter.cs and SanitizeForQuotedLiteral in Writers/StringExtensions.cs into Ruby double-quote...

CVE-2026-59861 Kiota: Code Generation Literal Injection in Kiota Ruby Generator

Kiota is an OpenAPI based HTTP Client code generator. Prior to 1.29.1 and 1.32.0, Kiota's Ruby generator embedded OpenAPI default fields, property names, and other schema-derived strings through CodeMethodWriter.cs and SanitizeForQuotedLiteral in Writers/StringExtensions.cs into Ruby double-quote...

CVE-2026-59861 Kiota: Code Generation Literal Injection in Kiota Ruby Generator

Kiota is an OpenAPI based HTTP Client code generator. Prior to 1.29.1 and 1.32.0, Kiota's Ruby generator embedded OpenAPI default fields, property names, and other schema-derived strings through CodeMethodWriter.cs and SanitizeForQuotedLiteral in Writers/StringExtensions.cs into Ruby double-quote...

USN-8556-1 ruby2.3 vulnerabilities

It was discovered that the Net::IMAP client in Ruby did not properly sanitize Symbol arguments passed to IMAP commands. A remote attacker controlling a malicious IMAP server, or able to influence command arguments, could use this to inject arbitrary IMAP commands via CRLF sequences. CVE-2026-4225...

CVE-2026-45363

A flaw was found in ruby-jwt, a Ruby implementation of the RFC 7519 OAuth JSON Web Token JWT standard. A remote attacker can exploit this vulnerability by crafting a malicious token that is accepted due to an empty key being used in the HMAC Hash-based Message Authentication Code digest calculati...

PT-2026-60480

Name of the Vulnerable Software and Affected Versions Kiota versions prior to 1.32.0 Description The Ruby generator in Kiota fails to properly escape the character when embedding OpenAPI default fields, property names, and other schema-derived strings into Ruby double-quoted literals. This occurs...

Linux Distros Unpatched Vulnerability : CVE-2026-45363

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ruby-jwt is a Ruby implementation of the RFC 7519 OAuth JSON Web Token standard. Prior to 2.10.3 and 3.2.0, JWT.decodetoken, '', true, algorithm: 'HS256' accept...

ruby4.0 security update

4.0.3-35 - Fix Net::IMAP ResponseReader quadratic complexity vulnerability CVE-2026-42245 Includes core fix plus additional performance optimizations Resolves: RHEL-181675 - Fix Net::IMAP STARTTLS stripping vulnerability CVE-2026-42246 Resolves: RHEL-181767 - Fix Net::IMAP command injection...

ruby security update

3.3.10-13 - Fix DoS via crafted IMAP responses in net-imap. CVE-2026-42245 Resolves: RHEL-181687 - Fix information disclosure via MITM attack bypassing TLS in net-imap. CVE-2026-42246 Resolves: RHEL-181775 - Fix command injection via Symbol arguments in net-imap. CVE-2026-42258 Resolves: RHEL-181...

CVE-2026-59861: Improper Control of Generation of Code

Kiota is an OpenAPI based HTTP Client code generator. Prior to 1.29.1 and 1.32.0, Kiota's Ruby generator embedded OpenAPI default fields, property names, and other schema-derived strings through CodeMethodWriter.cs and SanitizeForQuotedLiteral in Writers/StringExtensions.cs into Ruby double-quote...

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...

Important: Red Hat Security Advisory: Red Hat Hardened Images RPMs Security Update

An update for Red Hat Hardened Images RPMs is now available. This update includes the following RPMs: ruby3.3: ruby3.3-3.3.10-23.4.hum1 aarch64, x8664 ruby3.3-bundled-gems-3.3.10-23.4.hum1 aarch64, x8664 ruby3.3-default-gems-3.3.10-23.4.hum1 noarch ruby3.3-devel-3.3.10-23.4.hum1 aarch64, x8664...

ruby/net-imap: ruby: Net::IMAP: IMAP Command Injection via Symbol Arguments

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 achieved by passing specially crafted symbol arguments to IMAP commands. Successful...

Fedora 45 : ruby (2026-7f499e0362)

The remote Fedora 45 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-7f499e0362 advisory. Ruby 4.0.6 is released. Tenable has extracted the preceding description block directly from the Fedora security advisory. Note that Nessus has not...