CLEANSTART-2026-DE16221 Security fixes for CVE-2026-54171, CVE-2026-54297, CVE-2026-54522, CVE-2026-54904, CVE-2026-54905, CVE-2026-54906, ghsa-6wx8-w4f5-wwcr, ghsa-98m9-hrrm-r99r, ghsa-h8w8-99g7-qmvj, ghsa-wv3x-4vxv-whpp applied in versions: 1.18.0-r4, 1.18.0-r5

Multiple security vulnerabilities affect the ruby-fluentd-1.18 package. These issues are resolved in later releases. See references for individual vulnerability details...

CLEANSTART-2026-UT74115 Security fixes for CVE-2026-33637, CVE-2026-41316, CVE-2026-42245, CVE-2026-42246, CVE-2026-42256, CVE-2026-42257, CVE-2026-42258, CVE-2026-54171, CVE-2026-54297, CVE-2026-54696, CVE-2026-54904, CVE-2026-54905, CVE-2026-54906, ghsa-5rv5-xj5j-3484, ghsa-6wx8-w4f5-wwcr, ghsa-75xq-5h9v-w6px, ghsa-87pf-fpwv-p7m7, ghsa-98m9-hrrm-r99r, ghsa-h8w8-99g7-qmvj, ghsa-hm49-wcqc-g2xg, ghsa-q2mw-fvj9-vvcw, ghsa-vcgp-9326-pqcp, ghsa-wv3x-4vxv-whpp applied in versions: 1.19.2-r2, 1.19.2-r3, 1.19.2-r4

Multiple security vulnerabilities affect the ruby-fluentd-1.19 package. These issues are resolved in later releases. See references for individual vulnerability details...

CVE-2026-53727

A flaw was found in cssparser from 2.2.0 before 3.0.0. CssParser::Parserreadremotefile used by loaduri! and @import handling in addblock! issues HTTP/HTTPS requests without host, IP, or scheme restrictions, including to loopback and RFC1918 targets, and recursively follows Location redirects. Tho...

MAL-2026-10914 Malicious code in my_shoaib_gem (RubyGems)

--- -= Per source details. Do not edit below this line.=-...

MAL-2026-10913 Malicious code in ike-artifactory-ruby (RubyGems)

--- -= Per source details. Do not edit below this line.=-...

TencentOS Server 3: ruby:3.3 (TSSA-2026:0657)

The version of Tencent Linux installed on the remote TencentOS Server 3 host is prior to tested version. It is, therefore, affected by multiple vulnerabilities as referenced in the TSSA-2026:0657 advisory. Package updates are available for TencentOS Server 3 that fix the following vulnerabilities...

The vulnerability of the #update method in the Concurrent::AtomicReference class in the Ruby Concurrent Ruby library allows a violator to trigger a service failure.

The vulnerability of the update method in the Concurrent::AtomicReference class in the Ruby Concurrent library is related to the execution of a loop with an unreachable exit condition. Exploiting this vulnerability could allow a malicious actor to cause service failures...

[SECURITY] Fedora 43 Update: ruby-3.4.10-31.fc43

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] Fedora 44 Update: ruby-4.0.6-36.fc44

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...

Oracle Linux 10 : ruby4.0 (ELSA-2026-20606)

The remote Oracle Linux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-20606 advisory. - Fix Net::IMAP ResponseReader quadratic complexity vulnerability CVE-2026-42245 Includes core fix plus additional performance optimizations Resolves...

Linux Distros Unpatched Vulnerability : CVE-2026-54171

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Excon is usable, fast, simple HTTP 1.1 for Ruby. Prior to 1.5.0, Excon's RedirectFollower middleware failed to strip additional sensitive headers when following...

SUSE SLED15: libruby3_4-3_4 / ruby3.4 / ruby3.4-devel / ruby3.4-devel-extra / etc (SUSE-SU-2026:3090-1)

The remote SUSE Linux SLED15 / SLEDSAP15 / SLES15 / SLESSAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:3090-1 advisory. This update for ruby3.4 fixes the following issues - CVE-2026-42258: Net:IMAP: Command Injection via Symbol...

MiracleLinux 9 : ruby:4.0 (AXSA:2026-1284:01)

The remote MiracleLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2026-1284:01 advisory. ruby/json: Ruby JSON: Denial of Service or Information Disclosure via format string injection CVE-2026-33210 erb: ERB: Arbitrary code execution via...

Fedora 43 : ruby (2026-7b7c2b373e)

The remote Fedora 43 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-7b7c2b373e advisory. Ruby 3.4.10 is released. This new version contains severay security bug fixes in zlib, net-imap and erb.. Tenable has extracted the preceding...

Fedora 44 : ruby (2026-32d5a3d450)

The remote Fedora 44 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-32d5a3d450 advisory. Ruby 4.0.6 is released. This new ruby contains several security fixes in net-snmp. Tenable has extracted the preceding description block directly fr...

CVE-2026-55518

Avo is a framework to create admin panels for Ruby on Rails apps. Prior to 3.32.1 and 4.0.0.beta.51, Avo's association attach workflow checks attach? in the UI and GET /resources/:resource/:id/:related/new path, but the actual write endpoint, POST /resources/:resource/:id/:related, does not run t...

UBUNTU-CVE-2026-53727

cssparser is a Ruby CSS parser. From 2.2.0 until 3.0.0, CssParser::Parserreadremotefile in lib/cssparser/parser.rb, and therefore loaduri! and the @import-following branch of addblock!, issued HTTP and HTTPS requests against any host, port, and URI without a scheme allowlist, host or IP filtering...

CVE-2026-55518 Avo: Missing Authorization in Avo Association Attach Endpoint Allows Unauthorized Relationship Manipulation and Privilege Escalation

Avo is a framework to create admin panels for Ruby on Rails apps. Prior to 3.32.1 and 4.0.0.beta.51, Avo's association attach workflow checks attach? in the UI and GET /resources/:resource/:id/:related/new path, but the actual write endpoint, POST /resources/:resource/:id/:related, does not run t...

CVE-2026-53727

cssparser is a Ruby CSS parser. From 2.2.0 until 3.0.0, CssParser::Parserreadremotefile in lib/cssparser/parser.rb, and therefore loaduri! and the @import-following branch of addblock!, issued HTTP and HTTPS requests against any host, port, and URI without a scheme allowlist, host or IP filtering...

CVE-2026-53727

cssparser is a Ruby CSS parser. From 2.2.0 until 3.0.0, CssParser::Parserreadremotefile in lib/cssparser/parser.rb, and therefore loaduri! and the @import-following branch of addblock!, issued HTTP and HTTPS requests against any host, port, and URI without a scheme allowlist, host or IP filtering...