CVE-2026-9571 Deactivated user accounts can continue to obtain valid OAuth access tokens via refresh token grant in Mattermost

Mattermost versions 11.7.x = 11.7.2, 11.6.x = 11.6.4, 10.11.x = 10.11.19 fail to invalidate OAuth refresh tokens upon user account deactivation, which allows a deactivated user or an attacker in possession of a valid refresh token to obtain new functional access tokens via the OAuth refresh token...

NPM: @better-auth/oauth-provider's OAuth authorization-code grant allows concurrent redemption when two token requests race the find-then-delete primitive

NPM: @better-auth/oauth-provider's OAuth authorization-code grant allows concurrent redemption when two token requests race the find-then-delete primitive vulnerability discovered by ? in WordPress Npm better-auth versions 1.6.11...

Time-of-check Time-of-use (TOCTOU) Race Condition

Overview better-auth is a The most comprehensive authentication library for TypeScript. Affected versions of this package are vulnerable to Time-of-check Time-of-use TOCTOU Race Condition through a race condition in the authorizationcode grant handler. An attacker can obtain multiple valid access...

Incorrect Authorization

Overview better-auth is a The most comprehensive authentication library for TypeScript. Affected versions of this package are vulnerable to Incorrect Authorization in the refreshtoken grant process of the legacy oidcProvider and mcp plugins, where confidential clients are not required to...

CVE-2026-54765 Traefik: Gateway HTTPRoute backendRef filters can leak backend context across routes sharing a Service:port

Traefik is an open source HTTP reverse proxy and load balancer. From v3.7.0 prior to v3.7.6, Traefik's Kubernetes Gateway API provider may resolve two accepted HTTPRoutes that target the same backend Service:port but configure different backendRef filters to the same child service and apply only...

When checking the URL isn’t enough: a Device Code Phishing attack via a Microsoft website

One of the most common pieces of anti-phishing advice is to double-check the website's domain name before providing your credentials. Typically, a fraudulent domain stands out to the trained eye, differing from the official URL by at least a few characters. Recently, however, we encountered a...

PYSEC-2026-833 OpenStack Keystone does not invalidate existing tokens when granting or revoking roles

OpenStack Keystone before 2012.1.3 does not invalidate existing tokens when granting or revoking roles, which allows remote authenticated users to retain the privileges of the revoked roles...

PT-2026-55217

Name of the Vulnerable Software and Affected Versions CrateDB versions prior to 6.2.8 CrateDB versions prior to 6.3.2 Description An authorization bypass exists in the blob HTTP API of CrateDB. While the SQL path for accessing blob storage correctly enforces privilege grants via AccessControl, th...

praisonai-platform: Any workspace member can add arbitrary user as owner via POST /workspaces/{id}/members

SummaryType: Privilege escalation / cross-tenant member injection. The POST /workspaces/workspaceid/members endpoint is gated only by requireworkspacememberworkspaceid default minrole="member" and forwards the request body's userid and role straight into MemberService.addworkspaceid, userid, role...

PYSEC-2026-317 Codechecker has an authentication bypass for certain API calls

Summary Authentication bypass occurs when the URL ends with Authentication with certain function calls. This bypass allows assigning arbitrary permissions to any existing user in CodeChecker. Details The following functions are affected under the Authentication endpoint: getAuthorisedNames,...

SUSE CVE-2026-53200

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: nv: Fix handling of XN0 when !FEATXNX XN has already been extracted from its bitfield position so using FIELDPREP on the mask that clears XN0 is completely broken, having the effect of unconditionally granting execute...

CVE-2026-11800

A flaw was found in Keycloak. This JWT algorithm confusion vulnerability in the JWT Authorization Grant flow allows an attacker with valid client credentials to bypass signature verification. By forging an assertion, the attacker can create unauthorized access tokens. This enables the attacker to...

org.keycloak:keycloak-services: Keycloak: Authentication bypass via JWT algorithm confusion

A flaw was found in Keycloak. This JWT algorithm confusion vulnerability in the JWT Authorization Grant flow allows an attacker with valid client credentials to bypass signature verification. By forging an assertion, the attacker can create unauthorized access tokens. This enables the attacker to...

CVE-2026-48493 Snipe-IT Vulnerable to Privilege Escalation for self via API Permissions Assignment

Snipe-IT is an IT asset/license management system. In versions prior to 8.6.0, a user with only users.edit can send a PATCH to /api/v1/users/theirownid and grant themselves any permission except admin and superuser — for example assets.view, assets.create, reports.view, import, etc. The issue is...

CVE-2026-48493 Snipe-IT Vulnerable to Privilege Escalation for self via API Permissions Assignment

Snipe-IT is an IT asset/license management system. In versions prior to 8.6.0, a user with only users.edit can send a PATCH to /api/v1/users/theirownid and grant themselves any permission except admin and superuser — for example assets.view, assets.create, reports.view, import, etc. The issue is...

CVE-2026-54761

Traefik is an HTTP reverse proxy and load balancer. Prior to 3.6.21 and 3.7.5, there is a high severity vulnerability in Traefik's Kubernetes Gateway provider affecting the crossProviderNamespaces allowlist. For HTTPRoute rules that declare multiple WRR backendRefs, Traefik evaluates the allowlis...

EUVD-2026-38577

Traefik is an HTTP reverse proxy and load balancer. Prior to 3.6.21 and 3.7.5, there is a high severity vulnerability in Traefik's Kubernetes Gateway provider affecting the crossProviderNamespaces allowlist. For HTTPRoute rules that declare multiple WRR backendRefs, Traefik evaluates the allowlis...

CVE-2026-54761 Traefik: Kubernetes Gateway crossProviderNamespaces bypass allows HTTPRoute outside the allowlist to expose internal Traefik services

Traefik is an HTTP reverse proxy and load balancer. Prior to 3.6.21 and 3.7.5, there is a high severity vulnerability in Traefik's Kubernetes Gateway provider affecting the crossProviderNamespaces allowlist. For HTTPRoute rules that declare multiple WRR backendRefs, Traefik evaluates the allowlis...

CVE-2026-54761

Traefik vulnerability CVE-2026-54761 affects the Kubernetes Gateway provider: prior to 3.6.21 and 3.7.5, the crossProviderNamespaces allowlist is checked against backendRef.namespace instead of the HTTPRoute’s own namespace, enabling an attacker in a non-allowlisted namespace to reference interna...

PT-2026-51606

Name of the Vulnerable Software and Affected Versions Snipe-IT versions prior to 8.6.0 Description A user possessing users.edit and API permissions can escalate their privileges by sending a PATCH request to the '/api/v1/users/their own id' endpoint. This allows the user to grant themselves vario...