CVE-2026-66748

Camaleon CMS versions 2.1.1–2.9.1 are affected by an authenticated RCE via the select_eval custom field. Users with custom_fields manage permission can supply a Ruby expression that is stored in the field options and evaluated via instance_eval in an ERB view when a post edit page is rendered, en...

CVE-2026-66748 Camaleon CMS 2.1.1 - 2.9.1 Authenticated RCE via select_eval Custom Field

Camaleon CMS versions 2.1.1 through 2.9.1 contains an authenticated remote code execution vulnerability that allows users with customfields manage permission to execute arbitrary Ruby code by supplying a malicious expression through the selecteval custom field type. Attackers can store an...

CVE-2026-66748 Camaleon CMS 2.1.1 - 2.9.1 Authenticated RCE via select_eval Custom Field

Camaleon CMS versions 2.1.1 through 2.9.1 contains an authenticated remote code execution vulnerability that allows users with customfields manage permission to execute arbitrary Ruby code by supplying a malicious expression through the selecteval custom field type. Attackers can store an...

CVE-2026-54696

A flaw was found in Ruby JSON. A remote attacker could exploit a heap buffer overflow vulnerability by providing an oversized streamed object containing a specially crafted string. This could lead to a reliable process crash, resulting in a denial of service DoS for the affected system...

CVE-2026-49158

A flaw was found in Apache Thrift Ruby bindings. This vulnerability, categorized as improper handling of highly compressed data, allows a remote attacker to cause a denial of service DoS through a data amplification attack. By sending specially crafted highly compressed data, an attacker can...

BIT-THRIFT-2026-49158 Apache Thrift: Ruby THeaderTransport ZLIB Decompression Bomb

Improper Handling of Highly Compressed Data Data Amplification vulnerability in Apache Thrift Ruby bindings. This issue affects Apache Thrift: before 0.24.0. Users are recommended to upgrade to version 0.24.0, which fixes the issue...

CVE-2026-54659: Improper Limitation of a Pathname to a Restricted Directory

Pagy is agnostic pagination in plain Ruby. From 43.0.0 until 43.5.6, Pagy::I18n.locale= in gem/lib/pagy/modules/i18n/i18n.rb stored locale values verbatim and later used them as .yml path components, allowing untrusted params:locale values with absolute paths or ../ sequences to create a file...

CVE-2026-54620: Use After Free

sqlite3 provides Ruby bindings for the SQLite3 embedded database. From 2.1.0 to 2.9.4, the callbacks used for SQLite aggregate functions can be freed while still referenced during aggregation, resulting in a use-after-free. This issue is fixed in version 2.9.5...

PT-2026-65634

Summary Using Databasecreate function or Databasedefine function to define the same function name more than once with different numbers of arguments "arity" or text encodings will result in a invalid memory read and a segmentation fault. Mitigation Upgrade to sqlite3 gem v2.9.5 or later. As a...

CVE-2026-54603: Exposure of Sensitive Information to an Unauthorized Actor

OAuth2 is a Ruby wrapper for the OAuth 2.0 and 2.1 authorization frameworks, including OpenID Connect OIDC. From 0.4.0 to 2.0.21, a protocol-relative redirect Location returned to OAuth2::Clientrequest overrides the request authority, so the bearer Authorization header is sent to an...

TencentOS Server 2: ruby (TSSA-2026:0763)

The version of Tencent Linux installed on the remote TencentOS Server 2 host is prior to tested version. It is, therefore, affected by multiple vulnerabilities as referenced in the TSSA-2026:0763 advisory. Package updates are available for TencentOS Server 2 that fix the following vulnerabilities...

PT-2026-65541

sqlite3 provides Ruby bindings for the SQLite3 embedded database. From 2.1.0 to 2.9.4, the callbacks used for SQLite aggregate functions can be freed while still referenced during aggregation, resulting in a use-after-free. This issue is fixed in version 2.9.5...

CVE-2026-54619: Use After Free

sqlite3 provides Ruby bindings for the SQLite3 embedded database. In version 2.9.4 and earlier, redefining a SQLite function with a different arity frees the previously registered function handler while SQLite may still reference it, resulting in a use-after-free. This issue is fixed in version...

CVE-2026-66748: Improper Control of Generation of Code

Camaleon CMS versions 2.1.1 through 2.9.1 contains an authenticated remote code execution vulnerability that allows users with customfields manage permission to execute arbitrary Ruby code by supplying a malicious expression through the selecteval custom field type. Attackers can store an...

PT-2026-65540

sqlite3 provides Ruby bindings for the SQLite3 embedded database. In version 2.9.4 and earlier, redefining a SQLite function with a different arity frees the previously registered function handler while SQLite may still reference it, resulting in a use-after-free. This issue is fixed in version...

PT-2026-65518

Camaleon CMS versions 2.1.1 through 2.9.1 contains an authenticated remote code execution vulnerability that allows users with custom fields manage permission to execute arbitrary Ruby code by supplying a malicious expression through the select eval custom field type. Attackers can store an...

PT-2026-65538

OAuth is a Ruby wrapper for the OAuth 1.0 and 1.0a protocols, providing clients and servers. From 0.5.5 to 1.1.5, OAuth::Consumertoken request parses the raw Location header of a 300 to 399 redirect returned by the OAuth server and follows the redirect recursively, which can mutate the consumer's...

Linux Distros Unpatched Vulnerability : CVE-2026-49158

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Improper Handling of Highly Compressed Data Data Amplification vulnerability in Apache Thrift Ruby bindings. This issue affects Apache Thrift: before 0.24.0...

PT-2026-65537

Name of the Vulnerable Software and Affected Versions oauth2 versions 0.4.0 through 2.0.21 Description A protocol-relative redirect in the Location header returned to OAuth2::Clientrequest can override the request authority. This occurs because the method resolves redirects using URImerge, which...

Infinite loop

Overview thrift is a Ruby bindings package for Apache Thrift. Affected versions of this package are vulnerable to Infinite loop in TCompactProtocol varint decoding, which reads continuation bytes without enforcing a maximum byte count. An attacker can hang the process deserializing a message by...