GO-2026-5236 OAuth2 Proxy has an Authentication Bypass via X-Forwarded-Uri Header Spoofing in github.com/oauth2-proxy/oauth2-proxy

OAuth2 Proxy has an Authentication Bypass via X-Forwarded-Uri Header Spoofing in github.com/oauth2-proxy/oauth2-proxy...

Improper Verification of Cryptographic Signature

Overview Affected versions of this package are vulnerable to Improper Verification of Cryptographic Signature in the PKCS7 signature verification process for Azure instance identity. An attacker can obtain agent tokens without authentication by bypassing signature validation. Remediation Upgrade...

GO-2026-5251 googleapis/mcp-toolbox: authentication bypass vulnerability in the generic opaque token validation path (validateOpaqueToken) in github.com/googleapis/mcp-toolbox

googleapis/mcp-toolbox: authentication bypass vulnerability in the generic opaque token validation path validateOpaqueToken in github.com/googleapis/mcp-toolbox...

gnutls: gnutls: Authentication Bypass via NUL Character in Username

A flaw was found in gnutls. Servers configured with RSA-PSK Rivest–Shamir–Adleman – Pre-Shared Key wrongfully matched usernames containing a NUL character with truncated usernames. A remote attacker could exploit this by sending a specially crafted username, leading to an authentication bypass...

GO-2026-5144 MCP Toolbox for Databases: authenticated authorization bypass in github.com/googleapis/mcp-toolbox

MCP Toolbox for Databases: authenticated authorization bypass in github.com/googleapis/mcp-toolbox...

GO-2026-5088 kcp's cache server is accessible without authentication or authorization checks in github.com/kcp-dev/kcp

kcp's cache server is accessible without authentication or authorization checks in github.com/kcp-dev/kcp...

GO-2026-5120 Crabbox: authentication bypass vulnerability that allows impersonation of others by spoofing identity headers in github.com/openclaw/crabbox

Crabbox: authentication bypass vulnerability that allows impersonation of others by spoofing identity headers in github.com/openclaw/crabbox...

GO-2026-5149 Traefik: Pre-authentication decision bypass due to forwarded alias spoofing in github.com/traefik/traefik

Traefik: Pre-authentication decision bypass due to forwarded alias spoofing in github.com/traefik/traefik...

GO-2026-5147 OAuth2 Proxy's Health Check User-Agent Matching Bypasses Authentication in auth_request Mode in github.com/oauth2-proxy/oauth2-proxy

OAuth2 Proxy's Health Check User-Agent Matching Bypasses Authentication in authrequest Mode in github.com/oauth2-proxy/oauth2-proxy...

CVE-2026-56768 Seahub < 13.0.23 - Authentication Bypass in ShareLinkZipTaskView GET Method

Seahub before 13.0.23 does not enforce SHARELINKLOGINREQUIRED on GET /api/v2.1/share-link-zip-task/, allowing unauthenticated users to bypass authentication. Attackers with a folder share-link token can call the GET endpoint to obtain a fileserver zip token and download entire shared directory...

CVE-2026-56768

Vulnerability summary (CVE-2026-56768) Seahub versions before 13.0.23 fail to enforce SHARE_LINK_LOGIN_REQUIRED on GET /api/v2.1/share-link-zip-task/, allowing unauthenticated access when a folder share-link token is present. An attacker can call the GET endpoint to obtain a fileserver zip token ...

CVE-2026-54089 File Browser: Authentication Bypass via Proxy Auth Header Forgery

File Browser is a file managing interface for uploading, deleting, previewing, renaming, and editing files within a specified directory. Starting with 2.0.0-rc.1, when FileBrowser is configured with proxy authentication auth.method=proxy, any unauthenticated attacker who can reach the server...

CVE-2026-54089 File Browser: Authentication Bypass via Proxy Auth Header Forgery

File Browser is a file managing interface for uploading, deleting, previewing, renaming, and editing files within a specified directory. Starting with 2.0.0-rc.1, when FileBrowser is configured with proxy authentication auth.method=proxy, any unauthenticated attacker who can reach the server...

CVE-2026-54089 File Browser: Authentication Bypass via Proxy Auth Header Forgery

File Browser is a file managing interface for uploading, deleting, previewing, renaming, and editing files within a specified directory. Starting with 2.0.0-rc.1, when FileBrowser is configured with proxy authentication auth.method=proxy, any unauthenticated attacker who can reach the server...

CVE-2026-54573

Outline is a service that allows for collaborative documentation. Prior to 1.8.0, the AuthenticationHelper.canAccess function uses ctx.originalUrl to verify if an API key or OAuth token has the required scopes for a request. It extracts the resource by splitting the URL by / and taking the last...

CVE-2026-54573

Outline is a service that allows for collaborative documentation. Prior to 1.8.0, the AuthenticationHelper.canAccess function uses ctx.originalUrl to verify if an API key or OAuth token has the required scopes for a request. It extracts the resource by splitting the URL by / and taking the last...

USN-8474-1: NSD vulnerabilities

It was discovered that NSD incorrectly handled APL resource records with an address length larger than permitted for the address family. A remote attacker could use this to cause a stack-based buffer overflow when the zone is written to disk, potentially executing arbitrary code with the privileg...

USN-8474-1 NSD vulnerabilities

It was discovered that NSD incorrectly handled APL resource records with an address length larger than permitted for the address family. A remote attacker could use this to cause a stack-based buffer overflow when the zone is written to disk, potentially executing arbitrary code with the privileg...

crypto/tls: crypto/tls: Incorrect certificate validation during TLS session resumption

A flaw was found in the crypto/tls component. This vulnerability occurs during Transport Layer Security TLS session resumption when certificate authority CA settings are modified between the initial and resumed handshakes. An attacker could exploit this to bypass certificate validation, allowing ...

DEBIAN-CVE-2026-56091

When using Apache Shiro with the shiro-guice module in a web servlet context, a specially crafted HTTP request may cause an authentication bypass. This vulnerability is similar to https://vulners.com/cve/CVE-2020-1957 https://www.cve.org/CVERecord , except that it affects the shiro-guice module...