CVE-2026-70482

Open WebUI (self-hosted AI platform) versions 0.8.0–0.11.0 are affected. When ENABLE_OAUTH_TOKEN_EXCHANGE is true, /oauth/{provider}/token/exchange accepts a raw provider access token and validates it via the provider’s userinfo endpoint without confirming which OAuth client issued the token. As ...

CVE-2026-70482 Open WebUI: Account takeover via OAuth token exchange accepting tokens issued to any client

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.8.0 until 0.11.0, when ENABLEOAUTHTOKENEXCHANGE=True, /oauth/provider/token/exchange accepts a raw provider access token and validates it by calling the provider userinfo endpoint without confirming which...

Flowise: Unauthenticated OAuth2 token refresh endpoint returns access tokens — enables token theft for any connected service

Summary The OAuth2 token refresh endpoint POST /api/v1/oauth2-credential/refresh/:credentialId is in WHITELISTURLS, meaning it requires no authentication. It decrypts the stored credential containing clientId, clientSecret, refreshtoken, sends a refresh request to the configured OAuth provider, a...

NPM: Flowise: Unauthenticated OAuth2 token refresh endpoint returns access tokens — enables token theft for any connected service

NPM: Flowise: Unauthenticated OAuth2 token refresh endpoint returns access tokens — enables token theft for any connected service vulnerability discovered by ? in WordPress Npm flowise versions = 3.1.2...

CVE-2026-70478

Summary of CVE-2026-70478 (Flowise) : The unauthenticated endpoint POST /api/v1/oauth2-credential/refresh/:credentialId is exposed via WHITELIST_URLS and decrypts the stored credential to perform an OAuth token refresh, returning a new access_token in the response. An attacker with a valid creden...

CVE-2026-70478 Flowise: Unauthenticated OAuth2 token refresh endpoint returns access tokens — enables token theft for any connected service

Flowise is a drag & drop user interface to build a customized large language model flow. Prior to 3.1.3, the POST /api/v1/oauth2-credential/refresh/:credentialId endpoint is included in WHITELISTURLS and requires no authentication. The endpoint decrypts the stored credential, sends a refresh...

CVE-2026-68743

A flaw was found in SSSD. The extractauthtokv1 function in the PAM responder does not validate the authtokenlength field against the remaining buffer size before processing. A local attacker can exploit this via a crafted protocol v1 request to the PAM responder socket, causing an out-of-bounds...

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...

EUVD-2026-52865

A flaw was found in SSSD. The extractauthtokv1 function in the PAM responder does not validate the authtokenlength field against the remaining buffer size before processing. A local attacker can exploit this via a crafted protocol v1 request to the PAM responder socket, causing an out-of-bounds...

CVE-2026-68743

Summary: CVE-2026-68743 affects SSSD. The PAM responder’s extract_authtok_v1() does not validate auth_token_length against the remaining buffer, allowing a local attacker to craft a protocol v1 request to the PAM responder socket that can trigger an out-of-bounds read and cause a process crash (d...

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...

Flowise: Cross-Workspace OAuth2 Credential Metadata Leak

Summary Three OAuth2 credential endpoints look up credentials by id alone with no workspaceId filter. Two of these endpoints callback, refresh are whitelisted from all authentication. This allows: 1. Cross-workspace credential access — Any authenticated user can initiate OAuth2 flows against...

CVE-2026-70474 Flowise: Cross-Workspace OAuth2 Credential Metadata Leak

Flowise is a drag-and-drop user interface for building customized large language model LLM flows. Prior to 3.1.3, Flowise has three OAuth2 credential endpoints that look up credentials by id alone with no workspaceId filter. The authorize, callback, and refresh handlers query the Credential table...

Malicious code in umadev (npm)

npm/umadev is affected by the large-scale, self-propagating npm supply-chain worm of 2026-08-04 the "Shai-Hulud: Here We Go Again" wave — the same campaign that began with the compromise of the keyv and cacheable maintainer account. The listed versions were trojanized and republished by the worm...

Malicious code in @qlik/dts-bundler (npm)

npm/@qlik/dts-bundler is affected by the large-scale, self-propagating npm supply-chain worm of 2026-08-04 the "Shai-Hulud: Here We Go Again" wave — the same campaign that began with the compromise of the keyv and cacheable maintainer account. The listed versions were trojanized and republished b...

MAL-2026-11954 Malicious code in @umacloud/cli-darwin-x64 (npm)

npm/@umacloud/cli-darwin-x64 is affected by the large-scale, self-propagating npm supply-chain worm of 2026-08-04 the "Shai-Hulud: Here We Go Again" wave — the same campaign that began with the compromise of the keyv and cacheable maintainer account. The listed versions were trojanized and...

MAL-2026-11788 Malicious code in @qlik/dts-bundler (npm)

npm/@qlik/dts-bundler is affected by the large-scale, self-propagating npm supply-chain worm of 2026-08-04 the "Shai-Hulud: Here We Go Again" wave — the same campaign that began with the compromise of the keyv and cacheable maintainer account. The listed versions were trojanized and republished b...

Malicious code in @umacloud/cli-linux-musl-x64 (npm)

npm/@umacloud/cli-linux-musl-x64 is affected by the large-scale, self-propagating npm supply-chain worm of 2026-08-04 the "Shai-Hulud: Here We Go Again" wave — the same campaign that began with the compromise of the keyv and cacheable maintainer account. The listed versions were trojanized and...

Authentication Bypass

github.com/envoyproxy/gateway is vulnerable to Authentication Bypass. The vulnerability is due to missing authentication checks for unary xDS RPCs and improper JWT validation for State-of-the-World discovery requests, which allows an attacker with network access to the xDS server to bypass...

Greatness PhaaS Adds Device Code Phishing to Bypass MFA and Steal Tokens

The commercial phishing-as-a-service PhaaS toolkit known as Greatness has become the latest crimeware solution to add support for device code phishing, a rapidly growing cyber threat that abuses the legitimate OAuth 2.0 Device Authorization Grant to bypass Multi-Factor Authentication MFA and seiz...