CVE-2023-0264

PoC for CVE-2023-0264 Keycloak vulnerability that allows session hijacking during authorization code flow See https://github.com/advisories/GHSA-9g98-5mj6-f9mv Prerequisites Docker curl jq python3 or another tool to serve static files on HTTP Steps to reproduce 1. Start Keycloak container with...

threadtear

Threadtear Threadtear is a multifunctional deobfuscation tool for java. Android application support is coming soon Currently working on a dalvik to java converter. Suitable for easier code analysis without worrying too much about obfuscation. Even the most expensive obfuscators like ZKM or String...

CVE-2026-73310 XenForo < 2.3.13 OAuth2 Authorization Code Token Theft via redirect_uri Bypass

XenForo before 2.3.13 contains an authorization flaw in the OAuth2 token endpoint that allows attackers controlling any allowlisted redirect URI to bypass redirect URI binding by submitting a different allowlisted URI than the one recorded at authorization time. Attackers can exchange an...

PT-2026-87056

XenForo before 2.3.13 contains an OAuth2 authorization code reuse vulnerability that allows attackers to obtain unauthorized token pairs by submitting a previously used authorization code. Attackers can exploit the failure to invalidate or mark authorization codes as consumed after initial token...

CVE-2026-69254: Improper Control of Generation of Code

Flowise is a drag & drop user interface to build a customized large language model flow. Prior to 3.1.3, executeJavaScriptCode accepted caller-provided nodeVMOptions and merged them over the default NodeVM security settings in packages/components/src/utils.ts. An authenticated attacker reaching...

SUSE CVE-2026-6334

Mattermost versions 11.5.x = 11.5.1, 10.11.x = 10.11.13 fail to enforce client identity binding during the OAuth authorization code redemption flow which allows an authenticated OAuth client to redeem authorization codes issued to a different client via a crafted token exchange request.. Mattermo...

CVE-2026-16615 Librest: weak random number generation in pkce implementation

A flaw was found in librest. The PKCE implementation for OAuth authorization uses the GRand function from the GLib API, a cryptographically insecure pseudo-random number generator. Because the generated "code verifier" lacks sufficient cryptographic entropy, a malicious actor can reverse-engineer...

EUVD-2026-42726

Hermes WebUI before 0.51.307 contains an authentication bypass vulnerability that allows unauthenticated remote attackers to circumvent local-origin IP restrictions on onboarding endpoints by supplying a spoofed X-Forwarded-For header with a loopback address. Attackers can exploit this bypass to...

DEBULL Tooling Abuses Microsoft Device-Code Flow to Target M365 Accounts

A Microsoft 365 device code phishing campaign has been observed leveraging collaboration-themed lures to take control of victim accounts between the last week of June 2026 and into early July, per findings from ZeroBEC. "The campaign did not depend on a fake Microsoft password page. It used a...

EUVD-2026-36747

ThingsBoard v4.3.0.1 is vulnerable to an authentication bypass during the OAuth authorization code exchange. The application improperly trusts user-supplied identity data within the user parameter of the /login/oauth2/code/ endpoint. By manipulating the email address in this JSON object, a remote...

CVE-2026-36537

ThingsBoard v4.3.0.1 is vulnerable to an authentication bypass during the OAuth authorization code exchange. The application improperly trusts user-supplied identity data within the user parameter of the /login/oauth2/code/ endpoint. By manipulating the email address in this JSON object, a remote...

CVE-2026-7887

For Concrete CMS 9.5.0 and below, OAuth 2.0 Authorization-Code Handler Bypasses Account Status. A user with uIsActive=0 suspended, banned, terminated employee can still authenticate via OAuth and receive valid API tokens. The Concrete CMS security team gave this vulnerability a CVSS v.4.0 score o...

Concrete CMS: OAuth 2.0 Authorization-Code Handler Bypasses Account Status

For Concrete CMS 9.5.0 and below, OAuth 2.0 Authorization-Code Handler Bypasses Account Status. A user with uIsActive=0 suspended, banned, terminated employee can still authenticate via OAuth and receive valid API tokens...

EUVD-2026-31364

For Concrete CMS 9.5.0 and below, OAuth 2.0 Authorization-Code Handler Bypasses Account Status. A user with uIsActive=0 suspended, banned, terminated employee can still authenticate via OAuth and receive valid API tokens. The Concrete CMS security team gave this vulnerability a CVSS v.4.0 score o...

Improper Validation of Specified Type of Input

Overview concrete5/concrete5 is a concrete5 open source CMS. Affected versions of this package are vulnerable to Improper Validation of Specified Type of Input via the OAuth 2.0 Authorization-Code Handler. An attacker can gain unauthorized access to resources by authenticating with an account tha...

CVE-2026-7887 For Concrete CMS 9.5.0 and below, OAuth 2.0 Authorization-Code Handler Bypasses Account Status

For Concrete CMS 9.5.0 and below, OAuth 2.0 Authorization-Code Handler Bypasses Account Status. A user with uIsActive=0 suspended, banned, terminated employee can still authenticate via OAuth and receive valid API tokens. The Concrete CMS security team gave this vulnerability a CVSS v.4.0 score o...

EUVD-2026-30743

Mattermost versions 11.5.x = 11.5.1, 10.11.x = 10.11.13 fail to enforce client identity binding during the OAuth authorization code redemption flow which allows an authenticated OAuth client to redeem authorization codes issued to a different client via a crafted token exchange request.. Mattermo...

CVE-2024-0391

The CVE-2024-0391 issue affects WSO2 products with the email OTP flow, where the check user account lock states validation fails, enabling attacker enumeration of registered usernames. This disclosure indicates that valid usernames can be inferred, which could facilitate targeted brute-force or s...

GHSA-3GX8-Q682-38MX OpenID Connect nonce generated but never validated — ID token replay attack

Summary The roadiz/openid package generates an OIDC nonce in OAuth2LinkGenerator::generate and includes it in the authorization request sent to the identity provider, but never stores it and never validates it on the callback. The OpenIdJwtConfigurationFactory validation chain does not include a...

CVE-2026-40948 Apache Airflow Providers Keycloak: OAuth Login CSRF — Missing State Parameter in Keycloak Auth Manager

The Keycloak authentication manager in apache-airflow-providers-keycloak did not generate or validate the OAuth 2.0 state parameter on the login / login-callback flow, and did not use PKCE. An attacker with a Keycloak account in the same realm could deliver a crafted callback URL to a victim's...