nghttp2: nghttp2: Denial of Service via malformed HTTP/2 frames after session termination

A flaw was found in nghttp2. Due to missing internal state validation, the library continues to process incoming data even after a session has been terminated. A remote attacker could exploit this by sending a specially crafted HTTP/2 frame, leading to an assertion failure and a denial of service...

CVE-2026-48991 XianYuLauncher: Legacy Microsoft account OAuth sign-in flow lacks PKCE and state validation

XianYuLauncher is a Minecraft Java Edition launcher. In versions prior to 1.5.5, sensitive authentication artifacts could be exposed during a user-initiated login under certain local attack conditions. Affected versions relied on a fixed localhost redirect URI without PKCE or state validation...

Updated nghttp2 packages fix security vulnerability

Denial of service: Assertion failure due to missing state validation. CVE-2026-27135...

MGASA-2026-0199 Updated nghttp2 packages fix security vulnerability

Denial of service: Assertion failure due to missing state validation. CVE-2026-27135...

EulerOS 2.0 SP11 : nghttp2 (EulerOS-SA-2026-2256)

According to the versions of the nghttp2 package installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : nghttp2 is an implementation of the Hypertext Transfer Protocol version 2 in C. Prior to version 1.68.1, the nghttp2 library stops reading the...

EulerOS Virtualization 2.10.0 : nghttp2 (EulerOS-SA-2026-2057)

According to the versions of the nghttp2 packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : nghttp2 is an implementation of the Hypertext Transfer Protocol version 2 in C. Prior to version 1.68.1, the nghttp2 library stops...

CVE-2025-10908

Due to a lack of user account state validation during authentication, locked user accounts can be successfully authenticated using Magic Link or Pass Key methods. This bypasses the intended security control that should prevent access to accounts that have been locked. This vulnerability may allow...

CVE-2026-34460

NamelessMC is website software for Minecraft servers. In versions 2.2.4 and prior, the OAuth callback handling does not validate the state parameter server-side before exchanging the authorization code. This allows an attacker to capture a valid OAuth callback URL for their own account and cause ...

CVE-2026-42073

OpenClaude is an open-source coding-agent command line interface for cloud and local model providers. Prior to version 0.5.1, the OpenClaude MCP authentication flow starts a temporary local HTTP server to handle OAuth callbacks. To prevent CSRF attacks, the server validates a state parameter...

CVE-2026-34460 NamelessMC: OAuth callback `state` is not validated, allowing login CSRF / session swapping

NamelessMC is website software for Minecraft servers. In versions 2.2.4 and prior, the OAuth callback handling does not validate the state parameter server-side before exchanging the authorization code. This allows an attacker to capture a valid OAuth callback URL for their own account and cause ...

EUVD-2026-33960

NamelessMC is website software for Minecraft servers. In versions 2.2.4 and prior, the OAuth callback handling does not validate the state parameter server-side before exchanging the authorization code. This allows an attacker to capture a valid OAuth callback URL for their own account and cause ...

OpenClaude 安全漏洞

OpenClaude is an open-source coding assistant CLI developed by Gitlawb. Versions of OpenClaude prior to 0.5.1 contained security vulnerabilities. These vulnerabilities were due to logical flaws in the conditional order logic within the MCP authentication process, allowing attackers to completely...

TencentOS Server 3: nghttp2 (TSSA-2026:0385)

The version of Tencent Linux installed on the remote TencentOS Server 3 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the TSSA-2026:0385 advisory. Package updates are available for TencentOS Server 3 that fix the following vulnerabilities:...

Debian dla-4581 : libnghttp2-14 - security update

The remote Debian 11 host has packages installed that are affected by a vulnerability as referenced in the dla-4581 advisory. ------------------------------------------------------------------------- Debian LTS Advisory DLA-4581-1 [email protected] https://www.debian.org/lts/security/...

CVE-2026-44347 Warpgate: SSO CSRF -- State Token Not Validated on Return

Warpgate is an open source SSH, HTTPS and MySQL bastion host for Linux. Prior to 0.23.3, the SSO flow does not validate the state parameter, which makes it possible for an attacker to trick a user into logging into the attacker's account, possibly convincing them to perform sensitive actions on t...

CVE-2026-44347

Warpgate is an open source SSH, HTTPS and MySQL bastion host for Linux. Prior to 0.23.3, the SSO flow does not validate the state parameter, which makes it possible for an attacker to trick a user into logging into the attacker's account, possibly convincing them to perform sensitive actions on t...

EUVD-2025-209756

Due to a lack of user account state validation during authentication, locked user accounts can be successfully authenticated using Magic Link or Pass Key methods. This bypasses the intended security control that should prevent access to accounts that have been locked. This vulnerability may allow...

CLSA-2026-1777974095 nghttp2: Fix of CVE-2026-27135

CVE-2026-27135: fix missing iframe-state validations to avoid assertion failure...

CVE-2026-5113

The Gravity Forms plugin for WordPress is vulnerable to Stored Cross-Site Scripting via Consent field hidden inputs in versions up to and including 2.10.0. This is due to a flawed state validation mechanism that fails open when input is sanitized by wpkses, combined with insufficient output...

CVE-2026-5113

The Gravity Forms plugin for WordPress is vulnerable to Stored Cross-Site Scripting via Consent field hidden inputs in versions up to and including 2.10.0. This is due to a flawed state validation mechanism that fails open when input is sanitized by wpkses, combined with insufficient output...