PYSEC-2026-3051 rfc3161-client Has Improper Certificate Validation

Summary An Authorization Bypass vulnerability in rfc3161-client's signature verification allows any attacker to impersonate a trusted TimeStamping Authority TSA. By exploiting a logic flaw in how the library extracts the leaf certificate from an unordered PKCS7 bag of certificates, an attacker ca...

PYSEC-2026-2597 LiteLLM: Privilege escalation via unrestricted proxy configuration endpoint

Impact The /config/update endpoint does not enforce admin role authorization. A user who is already authenticated into the platform can then use this endpoint to do the following: - Modify proxy configuration and environment variables - Register custom pass-through endpoint handlers pointing to...

LiteLLM: Privilege escalation via unrestricted proxy configuration endpoint

ImpactThe /config/update endpoint does not enforce admin role authorization. A user who is already authenticated into the platform can then use this endpoint to do the following: - Modify proxy configuration and environment variables - Register custom pass-through endpoint handlers pointing to...

FastMCP: Missing Consent Verification in OAuth Proxy Callback Facilitates Confused Deputy Vulnerabilities

SummaryWhile testing the GitHubProvider OAuth integration, which allows authentication to a FastMCP MCP server via a FastMCP OAuthProxy using GitHub OAuth, it was discovered that the FastMCP OAuthProxy does not properly validate the user's consent upon receiving the authorization code from GitHub...

alation-ai-agent-mcp (1.0.0rc3), codesecure-mcp (1.0.0b9) +4 more potentially affected by CVE-2026-27124 via fastmcp (2.14.0)

fastmcp PYPI version 2.14.0 is affected by a known vulnerability. The following packages have a transitive dependency on fastmcp and may be impacted: - alation-ai-agent-mcp 1.0.0rc3 - codesecure-mcp 1.0.0b9 - korean-stat-mcp 0.1.4 - mcp-proxy-for-aws =1.1.5, =0.3.0, =0.5.0 - seclab-taskflow-agent...

FastMCP OAuth Proxy token reuse across MCP servers

While testing the OAuth Proxy implementation, it was noticed that the server does not properly respect the resource parameter submitted by the client in the authorization and token request. Instead of issuing the token explicitly for this MCP server, the token is issued for the baseurl passed to...

PYSEC-2026-2474 FastMCP OAuth Proxy token reuse across MCP servers

While testing the OAuth Proxy implementation, it was noticed that the server does not properly respect the resource parameter submitted by the client in the authorization and token request. Instead of issuing the token explicitly for this MCP server, the token is issued for the baseurl passed to...

kernel: rtmutex: Use waiter::task instead of current in remove_waiter()

A flaw was found in the Linux kernel. When the kernel's real-time mutex rtmutex component performs a specific operation called 'proxy-lock rollback' during futex requeue, it incorrectly handles task pointers. This can lead to a 'Use-After-Free' UAF vulnerability, where the system attempts to use...

EUVD-2026-43470

Improper Neutralization of Input During Web Page Generation 'Cross-site Scripting' vulnerability in Proxy & VPN Blocker Proxy & VPN Blocker proxy-vpn-blocker allows Stored XSS.This issue affects Proxy & VPN Blocker: from n/a through = 3.5.8...

nginx: NGINX: Arbitrary code execution or Denial of Service via heap-based buffer overflow with crafted HTTP/2 headers

A flaw was found in NGINX. When NGINX is configured to proxy HTTP/2 traffic using the ngxhttpproxyv2module or ngxhttpgrpcmodule with specific settings, a remote, unauthenticated attacker can send specially crafted large headers. This can trigger a heap-based buffer overflow, leading to a restart ...

CVE-2026-57399

Improper Neutralization of Input During Web Page Generation 'Cross-site Scripting' vulnerability in Proxy & VPN Blocker Proxy & VPN Blocker proxy-vpn-blocker allows Stored XSS.This issue affects Proxy & VPN Blocker: from n/a through = 3.5.8...

CVE-2026-57399

The CVE-2026-57399 affects the WordPress plugin Proxy & VPN Blocker (versions up to and including 3.5.8). The issue is a Stored XSS flaw caused by improper neutralization of input during web page generation, enabling an attacker to inject script content that is stored and later rendered. Affected...

CVE-2026-57399 WordPress Proxy & VPN Blocker plugin <= 3.5.8 - Cross Site Scripting (XSS) vulnerability

Improper Neutralization of Input During Web Page Generation 'Cross-site Scripting' vulnerability in Proxy & VPN Blocker Proxy & VPN Blocker proxy-vpn-blocker allows Stored XSS.This issue affects Proxy & VPN Blocker: from n/a through = 3.5.8...

CVE-2026-57399 WordPress Proxy & VPN Blocker plugin <= 3.5.8 - Cross Site Scripting (XSS) vulnerability

Improper Neutralization of Input During Web Page Generation 'Cross-site Scripting' vulnerability in Proxy & VPN Blocker Proxy & VPN Blocker proxy-vpn-blocker allows Stored XSS.This issue affects Proxy & VPN Blocker: from n/a through = 3.5.8...

MAL-2026-10269 Malicious code in abuden228 (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector b15ded0c14059932e82f8e56f2b6d6fb13ebe2da3b51d3e17e048044e9266716 The tarball ships auto-publish.sh, a script that republishes the same payload under 100 distinct npm names ishowfeet1-ishowfeet20, nottuff1-nottuff30...

MAL-2026-10257 Malicious code in abuden214 (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 4bdbebaa72ae71aae5482f3726a6be11649402b33365104e2fbf39f1db624137 The tarball ships auto-publish.sh, a script that republishes the same payload under 100 distinct npm names ishowfeet1-ishowfeet20, nottuff1-nottuff30...

MAL-2026-10260 Malicious code in abuden217 (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 42fce03517a0e7a241f99d0ce806a5bb90a4f70b083a2997c80868f3bc37d4b4 The tarball ships auto-publish.sh, a script that republishes the same payload under 100 distinct npm names ishowfeet1-ishowfeet20, nottuff1-nottuff30...

MAL-2026-10268 Malicious code in abuden227 (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 424eb4c5daef762a3d9dd8a50b397d64812466368d7b044d4f65679e02659d83 The tarball ships auto-publish.sh, a script that republishes the same payload under 100 distinct npm names ishowfeet1-ishowfeet20, nottuff1-nottuff30...

MAL-2026-10261 Malicious code in abuden219 (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 1de0c667d7c3cbfd4c96728443db8ac059d53487498341bd937cf2aaf738574a The tarball ships auto-publish.sh, a script that republishes the same payload under 100 distinct npm names ishowfeet1-ishowfeet20, nottuff1-nottuff30...

MAL-2026-10277 Malicious code in abuden28 (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector a58dd1a008e23641f5373b4593347947fb72a1a199e2354ffe75c79af4066d98 The tarball ships auto-publish.sh, a script that republishes the same payload under 100 distinct npm names ishowfeet1-ishowfeet20, nottuff1-nottuff30...