PYSEC-2026-2235

NLTK Natural Language Toolkit is a suite of open source Python modules, data sets, and tutorials supporting research and development in Natural Language Processing. In versions 3.9.3 and prior, nltk.app.wordnetapp contains a reflected cross-site scripting issue in the lookup... route. A crafted...

CVE-2026-33230

NLTK Natural Language Toolkit is a suite of open source Python modules, data sets, and tutorials supporting research and development in Natural Language Processing. In versions 3.9.3 and prior, nltk.app.wordnetapp contains a reflected cross-site scripting issue in the lookup... route. A crafted...

CVE-2026-33230

NLTK Natural Language Toolkit is a suite of open source Python modules, data sets, and tutorials supporting research and development in Natural Language Processing. In versions 3.9.3 and prior, nltk.app.wordnetapp contains a reflected cross-site scripting issue in the lookup... route. A crafted...

UBUNTU-CVE-2026-33230

NLTK Natural Language Toolkit is a suite of open source Python modules, data sets, and tutorials supporting research and development in Natural Language Processing. In versions 3.9.3 and prior, nltk.app.wordnetapp contains a reflected cross-site scripting issue in the lookup... route. A crafted...

CVE-2026-33230 nltk Vulnerable to Cross-site Scripting

NLTK Natural Language Toolkit is a suite of open source Python modules, data sets, and tutorials supporting research and development in Natural Language Processing. In versions 3.9.3 and prior, nltk.app.wordnetapp contains a reflected cross-site scripting issue in the lookup... route. A crafted...

CVE-2026-33230

NLTK Natural Language Toolkit is a suite of open source Python modules, data sets, and tutorials supporting research and development in Natural Language Processing. In versions 3.9.3 and prior, nltk.app.wordnetapp contains a reflected cross-site scripting issue in the lookup... route. A crafted...

CVE-2026-33230 nltk Vulnerable to Cross-site Scripting

NLTK Natural Language Toolkit is a suite of open source Python modules, data sets, and tutorials supporting research and development in Natural Language Processing. In versions 3.9.3 and prior, nltk.app.wordnetapp contains a reflected cross-site scripting issue in the lookup... route. A crafted...

CVE-2026-33230

NLTK Natural Language Toolkit is a suite of open source Python modules, data sets, and tutorials supporting research and development in Natural Language Processing. In versions 3.9.3 and prior, nltk.app.wordnetapp contains a reflected cross-site scripting issue in the lookup... route. A crafted...

h3: Missing Path Segment Boundary Check in `mount()` Causes Middleware Execution on Unrelated Prefix-Matching Routes

Summary The mount method in h3 uses a simple startsWith check to determine whether incoming requests fall under a mounted sub-application's path prefix. Because this check does not verify a path segment boundary i.e., that the next character after the base is / or end-of-string, middleware...

Vikunja read-only users can delete project background images via broken object-level authorization

Summary The DELETE /api/v1/projects/:project/background endpoint checks CanRead permission instead of CanUpdate, allowing any user with read-only access to a project to permanently delete its background image. Details The RemoveProjectBackground handler pkg/modules/background/handler/background.g...

Security update for

This update for the SUSE Linux Enterprise Kernel 6.4.0-150700.7.25 fixes various security issues The following security issues were fixed: CVE-2025-40258: mptcp: fix race condition in mptcpschedulework bsc1255053. CVE-2025-40297: net: bridge: fix use-after-free due to MST port state bypass...

CVE-2026-33131

CVE-2026-33131 affects H3, a minimal HTTP framework. Versions 2.0.0-0 through 2.0.1-rc.14 expose a Host header spoofing flaw in the NodeRequestUrl/FastURL path, enabling middleware bypass when an attacker manipulates event.url properties (e.g., via Host header) so route matching succeeds but auth...

CVE-2026-32305 Traefik mTLS bypass via fragmented ClientHello SNI extraction failure

Traefik is an HTTP reverse proxy and load balancer. Versions 2.11.40 and below, 3.0.0-beta1 through 3.6.11, and 3.7.0-ea.1 are vulnerable to mTLS bypass through the TLS SNI pre-sniffing logic related to fragmented ClientHello packets. When a TLS ClientHello is fragmented across multiple records,...

Authorization Bypass Through User-Controlled Key

Overview Affected versions of this package are vulnerable to Authorization Bypass Through User-Controlled Key in the deleteapikeyroute endpoint. An attacker can delete API keys belonging to other users by providing the apikeyid of a key they do not own. Remediation Upgrade langflow-base to versio...

CVE-2026-33057 Mesop Affected by Unauthenticated Remote Code Execution via Test Suite Route /exec-py

Mesop is a Python-based UI framework that allows users to build web applications. In versions 1.2.2 and below, an explicit web endpoint inside the ai/ testing module infrastructure directly ingests untrusted Python code strings unconditionally without authentication measures, yielding standard...

CVE-2026-33057 Mesop Affected by Unauthenticated Remote Code Execution via Test Suite Route /exec-py

Mesop is a Python-based UI framework that allows users to build web applications. In versions 1.2.2 and below, an explicit web endpoint inside the ai/ testing module infrastructure directly ingests untrusted Python code strings unconditionally without authentication measures, yielding standard...

CVE-2026-33057

Mesop is a Python-based UI framework that allows users to build web applications. In versions 1.2.2 and below, an explicit web endpoint inside the ai/ testing module infrastructure directly ingests untrusted Python code strings unconditionally without authentication measures, yielding standard...

CVE-2026-33057

The Mesop Python-based UI framework (versions 1.2.2 and below ) is vulnerable to Unrestricted Remote Code Execution (RCE) . The flaw exists in the ai/ testing module infrastructure, where a lightweight debugging Flask server located at ai/sandbox/wsgi_app.py lacks authentication. The /exec-py rou...

CVE-2026-33057 Mesop Affected by Unauthenticated Remote Code Execution via Test Suite Route /exec-py

Mesop is a Python-based UI framework that allows users to build web applications. In versions 1.2.2 and below, an explicit web endpoint inside the ai/ testing module infrastructure directly ingests untrusted Python code strings unconditionally without authentication measures, yielding standard...

PYSEC-2026-78

Langflow is a tool for building and deploying AI-powered agents and workflows. In versions prior to 1.9.0, the deleteapikeyroute endpoint accepts an apikeyid path parameter and deletes it with only a generic authentication check getcurrentactiveuser dependency. However, the deleteapikey CRUD...