CVE-2026-33946

MCP Ruby SDK is the official Ruby SDK for Model Context Protocol servers and clients. Prior to version 0.9.2, the Ruby SDK's streamablehttptransport.rb implementation contains a session hijacking vulnerability. An attacker who obtains a valid session ID can completely hijack the victim's...

Linux Distros Unpatched Vulnerability : CVE-2026-33635

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - iCalendar is a Ruby library for dealing with iCalendar files in the iCalendar format defined by RFC-5545. Starting in version 2.0.0 and prior to version 2.12.2,...

MCP Ruby SDK - Insufficient Session Binding Allows SSE Stream Hijacking via Session ID Replay

Summary The Ruby SDK's streamablehttptransport.rb implementation contains a session hijacking vulnerability. An attacker who obtains a valid session ID can completely hijack the victim's Server-Sent Events SSE stream and intercept all real-time data. Details Root Cause The StreamableHTTPTransport...

DEBIAN-CVE-2026-33635

iCalendar is a Ruby library for dealing with iCalendar files in the iCalendar format defined by RFC-5545. Starting in version 2.0.0 and prior to version 2.12.2, .ics serialization does not properly sanitize URI property values, enabling ICS injection through attacker-controlled input, adding...

UBUNTU-CVE-2026-33635

iCalendar is a Ruby library for dealing with iCalendar files in the iCalendar format defined by RFC-5545. Starting in version 2.0.0 and prior to version 2.12.2, .ics serialization does not properly sanitize URI property values, enabling ICS injection through attacker-controlled input, adding...

CVE-2026-33635

The CVE-2026-33635 entry concerns the iCalendar Ruby library. Affected versions are 2.0.0 up to, but not including, 2.12.2, where ICS serialization fails to sanitize URI property values in calendar data. Specifically, Icalendar::Values::Uri falls back to the raw input when URI.parse fails and the...

CVE-2026-33635

iCalendar is a Ruby library for dealing with iCalendar files in the iCalendar format defined by RFC-5545. Starting in version 2.0.0 and prior to version 2.12.2, .ics serialization does not properly sanitize URI property values, enabling ICS injection through attacker-controlled input, adding...

iCalendar 注入漏洞

iCalendar is an open-source Ruby library for processing iCalendar format files. Versions 2.0.0 to 2.12.2 of iCalendar contain a vulnerability due to improper cleanup of URI attribute values during .ics serialization, which may lead to ICS injection attacks...

GHSA-MHG6-2Q2V-9H2C sigstore-ruby verifier returns success for DSSE bundles with mismatched in-toto subject digest

Summary Sigstore::Verifierverify does not propagate the VerificationFailure returned by verifyintoto when the artifact digest does not match the digest in the in-toto attestation subject. As a result, verification of DSSE bundles containing in-toto statements returns VerificationSuccess regardles...

CLSA-2026-1768839607 ruby: Fix of 2 CVEs

CVE-2025-61594: fix incomplete fix for CVE-2025-27221 which allowed credential leaks to persist in URI+ - fully redact x-oauth-basic tokens from tests - update URI specs to reflect that modifying user or host clears credentials...

CLSA-2026-1768814484 ruby: Fix of CVE-2025-58767

CVE-2025-58767: fixed REXML to reject duplicate XML declarations and validate declaration attributes to protect from DoS...

RHSA-2025:23927 Red Hat Security Advisory: ruby security update

Bulletin has no description...

libruby3_4-3_4-3.4.8-1.1 on GA media (moderate)

libruby34-34-3.4.8-1.1 on GA media Announcement ID: openSUSE-SU-2025:15828-1 Rating: moderate Cross-References: CVE-2025-58767 CVSS scores: CVE-2025-58767 SUSE : 2.9 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L CVE-2025-58767 SUSE : 5.1...

CVE-2025-14762

Missing cryptographic key commitment in the AWS SDK for Ruby may allow a user with write access to the S3 bucket to introduce a new EDK that decrypts to different plaintext when the encrypted data key is stored in an "instruction file" instead of S3's metadata record. To mitigate this issue,...

UBUNTU-CVE-2025-14762

Missing cryptographic key commitment in the AWS SDK for Ruby may allow a user with write access to the S3 bucket to introduce a new EDK that decrypts to different plaintext when the encrypted data key is stored in an "instruction file" instead of S3's metadata record. To mitigate this issue,...

PT-2025-51883

Name of the Vulnerable Software and Affected Versions AWS SDK for Ruby versions prior to 1.208.0 Description A missing cryptographic key commitment in the AWS SDK for Ruby could allow a user with write access to an S3 bucket to introduce a new encryption data key EDK that decrypts to different...

CVE-2025-66567

The ruby-saml library is for implementing the client side of a SAML authorization. ruby-saml versions up to and including 1.12.4 contain an authentication bypass vulnerability due to an incomplete fix for CVE-2025-25292. ReXML and Nokogiri parse XML differently, generating entirely different...

CVE-2025-66568 ruby-saml Libxml2 Canonicalization errors can bypass Digest/Signature validation

The ruby-saml library implements the client side of an SAML authorization. Versions up to and including 1.12.4, are vulnerable to authentication bypass through the libxml2 canonicalization process used by Nokogiri for document transformation, which allows an attacker to execute a Signature Wrappi...

CVE-2025-66567 ruby-saml has a SAML authentication bypass due to namespace handling (parser differential)

The ruby-saml library is for implementing the client side of a SAML authorization. ruby-saml versions up to and including 1.12.4 contain an authentication bypass vulnerability due to an incomplete fix for CVE-2025-25292. ReXML and Nokogiri parse XML differently, generating entirely different...

libruby3_4-3_4-3.4.7-1.1 on GA media (moderate)

libruby34-34-3.4.7-1.1 on GA media Announcement ID: openSUSE-SU-2025:15614-1 Rating: moderate Cross-References: CVE-2025-61594 Affected Products: openSUSE Tumbleweed An update that solves one vulnerability can now be installed. Description: These are all security issues fixed in the...