CVE-2026-58399

The CVE affects @acastellon/auth (authentication control for microservices). Versions

CVE-2026-58399

@acastellon/auth is an authentication control system for microservices. Versions prior to 2.3.0 appear to allow an unauthenticated authentication bypass in validateToken through spoofable auth-user and Host request headers. The validateToken middleware contains a service-to-service bypass for...

CVE-2026-58399 @acastellon/auth has an authentication bypass via spoofable headers in validateToken()

@acastellon/auth is an authentication control system for microservices. Versions prior to 2.3.0 appear to allow an unauthenticated authentication bypass in validateToken through spoofable auth-user and Host request headers. The validateToken middleware contains a service-to-service bypass for...

CVE-2026-14198

@fastify/middie versions 9.1.0 through 9.3.2 decode the encoded slash %2F inside path parameter values before matching middleware paths, while Fastify's underlying router preserves the encoding during route lookup. The two layers disagree on the canonical request path, so the middleware fails to...

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 ...

python-pyjwt: PyJWT: Authentication bypass due to forged JSON Web Tokens

A flaw was found in PyJWT, a Python library for JSON Web Token JWT implementation. When decoding JWTs, the library fails to validate the use of JSON Web Keys JWK in the HMAC algorithm while also supporting asymmetric algorithms. This allows a remote attacker to use the issuer's public key as the...

Important: Red Hat Security Advisory: Red Hat Ansible Automation Platform 2.6 Product Security and Bug Fix Update

An update is now available for Red Hat Ansible Automation Platform 2.6 Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from t...

CVE-2026-56016

A flaw was found in perl-CGI-Session. This vulnerability allows a remote attacker to predict session identifiers due to the use of low-entropy sources in the generateid method. By predicting a session identifier, an attacker can impersonate a user's session, leading to a bypass of authentication...

CVE-2026-12579

AS228T with Authentication Bypass Vulnerability...

CVE-2026-11887 Salon Booking System < 10.30.20 - Subscriber+ Booking Approval Bypass

The Salon Booking System WordPress plugin before 10.30.20 does not have proper authorisation checks on one of its AJAX actions, allowing any authenticated user, such as a subscriber, to modify a Salon Booking System WordPress plugin before 10.30.20 setting and bypass the manual approval of new...

CVE-2026-11883

CVE-2026-11883 affects the WebAuthn Provider for Two Factor WordPress plugin (before 2.5.6). The vulnerability arises from incorrect validation of the second-factor authentication response, enabling an attacker who already knows a user’s password to bypass 2FA by submitting a malformed request. T...

CVE-2026-12579

Technical details (affected products, root cause, remediation) are not publicly available in the provided documents. Monitor for updates from vendors and CVE/NVD entries.

CVE-2026-12579 AS228T - Authentication Bypass Vulnerability

AS228T with Authentication Bypass Vulnerability...

CVE-2026-12902

Kadence Blocks — Page Builder Toolkit for Gutenberg Editor (WordPress) contains an authorization bypass in all versions up to 3.7.7. Authenticated attackers with contributor-level access can create arbitrary Media Library attachments by downloading remote images into the uploads directory via wp_...

TP-Link Archer C20 - Authentication Bypass

A vulnerability in the TP-Link Archer C20 router with firmware version V6.6230412 and earlier permits unauthorized individuals to bypass authentication on interfaces under the /cgi directory. When adding a Referer header with value "http://tplinkwifi.net" to requests, the router will recognize th...

EUVD-2026-40844

Storage Concentrator SC & SCVM contains a command injection vulnerability within the debug.pl script that is reachable without authentication. A remote attacker can submit a specially crafted HTTP request containing a malicious payload that is processed without adequate input sanitization,...

EUVD-2026-40434

Capgo before 12.128.2 contains an authentication bypass vulnerability in the account deletion endpoint that allows deletion without password re-authentication or secondary verification. Attackers can delete user accounts via session hijacking, CSRF attacks, or parameter tampering, resulting in...

EUVD-2026-40433

Flowise before 3.1.0 affected versions 3.0.13 and earlier uses a weak hardcoded default secret 'flowise' for the express-session middleware when the EXPRESSSESSIONSECRET environment variable is not set packages/server/src/enterprise/middleware/passport/index.ts. Because this default secret is...

EUVD-2026-40443

n8n before 2.8.0 contains an authentication bypass vulnerability allowing authenticated SSO users to disable SSO enforcement through the API. Attackers can create local password credentials to authenticate directly, bypassing organizational SSO policies and identity-provider-enforced multi-factor...

PT-2026-54918

Name of the Vulnerable Software and Affected Versions Mediawiki - WikiLambda Extension versions prior to 1.43.9 Mediawiki - WikiLambda Extension versions prior to 1.44.6 Mediawiki - WikiLambda Extension versions prior to 1.45.4 Description Improper neutralization of input terminators in the...