PYSEC-2026-64

Gradio is an open-source Python package designed for quick prototyping. Prior to version 6.7, Gradio apps running on Window with Python 3.13+ are vulnerable to an absolute path traversal issue that enables unauthenticated attackers to read arbitrary files from the file system. Python 3.13+ change...

PYSEC-2025-61

Pillow is a Python imaging library. In versions 11.2.0 to before 11.3.0, there is a heap buffer overflow when writing a sufficiently large 64k encoded with default settings image in the DDS format due to writing into a buffer without checking for available space. This only affects users who save...

PYSEC-2025-56

OctoPrint provides a web interface for controlling consumer 3D printers. In versions up to and including 1.10.3, OctoPrint has a vulnerability that allows an attacker to bypass the login redirect and directly access the rendered HTML of certain frontend pages. The primary risk lies in potential...

PYSEC-2026-201

An issue was discovered in Django 5.2 before 5.2.15 and 6.0 before 6.0.6.django.middleware.cache.UpdateCacheMiddleware in Django does not match Cache-Control response directives case-insensitively, which allows remote attackers to read responses that were incorrectly cached because their...

PYSEC-2026-178

PyJWT is a JSON Web Token implementation in Python. From 2.8.0 to 2.12.1, when verifying detached JWS tokens using the unencoded-payload option "b64": false, RFC 7797, PyJWT performs Base64URL decoding of the compact-serialization payload segment before enforcing the detached-payload rules. For...

PYSEC-2026-126

pyLoad is a free and open-source download manager written in Python. Prior to 0.5.0b3.dev100, the setconfigvalue API method @permissionPerms.SETTINGS in src/pyload/core/api/init.py gates security-sensitive options behind a hand-maintained allowlist ADMINONLYCOREOPTIONS. The option "general",...

PYSEC-2025-179

OpenCTI is an open cyber threat intelligence CTI platform. Prior to version 6.4.11 any user with the capability manage customizations can execute commands on the underlying infrastructure where OpenCTI is hosted and can access internal server side secrets by misusing the web-hooks. Since the...

PYSEC-2023-293

An authentication bypass vulnerability has been found in Repox, which allows a remote user to send a specially crafted POST request, due to the lack of any authentication method, resulting in the alteration or creation of users...

PYSEC-2026-197

An issue was discovered in Django 5.2 before 5.2.15 and 6.0 before 6.0.6.django.middleware.cache.UpdateCacheMiddleware in Django does not add Authorization to the Vary response header for requests bearing that header without Cache-Control: public, which allows remote attackers to read private...

PYSEC-2026-175

PyJWT is a JSON Web Token implementation in Python. Prior to 2.13.0, PyJWKClient passes its uri argument directly to urllib.request.urlopen which uses Python stdlib's default OpenerDirector registering HTTPHandler, HTTPSHandler, FTPHandler, FileHandler, and DataHandler. There is currently no...

PYSEC-2026-127

pyLoad is a free and open-source download manager written in Python. Prior to 0.5.0b3.dev100, the setconfigvalue API method @permissionPerms.SETTINGS in src/pyload/core/api/init.py gates security-sensitive options behind a hand-maintained allowlist ADMINONLYCOREOPTIONS. The allowlist contains...

PYSEC-2026-148

Wagtail is an open source content management system built on Django. Prior to 7.0.7, 7.3.2, and 7.4, a CMS user with limited access to form pages could delete submissions to form pages they don't have access to by crafting a form submission to delete submissions on a page they do have access to f...

PYSEC-2026-150

Wagtail is an open source content management system built on Django. Prior to 7.0.7, 7.3.2, and 7.4, the Documents and Images API incorrectly listed items in private collections. A user with access to the API could see the filename and name of documents and images in private collections. This...

PYSEC-2026-50

An issue was discovered in 6.0 before 6.0.5 and 5.2 before 5.2.14.Response headers do not vary on cookies if a session is not modified, but SESSIONSAVEEVERYREQUEST is True. A remote attacker can steal a user's session after that user visits a cached public page.Earlier, unsupported Django series...

PYSEC-2026-105

OpenC3 COSMOS provides the functionality needed to send commands to and receive data from one or more embedded systems. Prior to version 7.0.0, the Command Sender UI uses an unsafe eval function on array-like command parameters, which allows a user-supplied payload to execute in the browser when...

PYSEC-2026-108

pretalx is a conference planning tool. Prior to 2026.1.0, The organiser search in the pretalx backend rendered submission titles, speaker display names, and user names/emails into the result dropdown using innerHTML string interpolation. Any user who controls one of those fields which includes an...

PYSEC-2026-92

mitmproxy is a interactive TLS-capable intercepting HTTP proxy for penetration testers and software developers and mitmweb is a web-based interface for mitmproxy. In mitmproxy 12.2.1 and below, the builtin LDAP proxy authentication does not correctly sanitize the username when querying the LDAP...

PYSEC-2026-79

Langflow is a tool for building and deploying AI-powered agents and workflows. Versions 1.2.0 through 1.8.1 have a bypass of the patch for CVE-2025-68478 External Control of File Name, leading to the root architectural issue within LocalStorageService remaining unresolved. Because the underlying...

PYSEC-2026-99

NLTK versions =3.9.2 are vulnerable to arbitrary code execution due to improper input validation in the StanfordSegmenter module. The module dynamically loads external Java .jar files without verification or sandboxing. An attacker can supply or replace the JAR file, enabling the execution of...

PYSEC-2025-213

Hugging Face Transformers megatrongpt2 Deserialization of Untrusted Data Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Hugging Face Transformers. User interaction is required to exploit this vulnerability in...

PYSEC-2025-78

Langflow versions up to and including 1.6.9 contain a chained vulnerability that enables account takeover and remote code execution. An overly permissive CORS configuration alloworigins='' with allowcredentials=True combined with a refresh token cookie configured as SameSite=None allows a malicio...

PYSEC-2025-220

vantage6 is an open source framework built to enable, manage and deploy privacy enhancing technologies like Federated Learning and Multi-Party Computation. If attacker gets access to an authenticated session, they can try to brute-force the user password by using the change password functionality...

PYSEC-2023-321

The WireGuard client 0.5.3 on Windows insecurely configures the operating system and firewall such that traffic to a local network that uses non-RFC1918 IP addresses is blocked. This allows an adversary to trick the victim into blocking IP traffic to selected IP addresses and services even while...

PYSEC-2026-179

PyJWT is a JSON Web Token implementation in Python. Prior to 2.13.0, when the verifier is decoding JSON Web Tokens, while supporting both asymmetric and HMAC algorithms, the library does not validate use of JSON Web Keys in HMAC algorithm, allowing attacker to use the issuer public key as the...

PYSEC-0000-CVE-2026-45361

Apache Airflow providers-google's ComputeEngineSSHHook disables SSH host-key verification by default, exposing SSH traffic between an Airflow worker and a Compute Engine VM to in-path network attackers who can intercept or modify the session. Users are advised to upgrade to...

PYSEC-2026-160

Twisted is an event-based framework for internet applications, supporting Python 3.6+. Prior to 26.4.0rc2, the twisted.names module is vulnerable to a Denial of Service DoS attack via resource exhaustion during DNS name decompression. A remote, unauthenticated attacker can exploit this by sending...

PYSEC-2026-145

vLLM is an inference and serving engine for large language models LLMs. From to before 0.20.0, the extracthiddenstates speculative decoding proposer in vLLM returns a tensor with an incorrect shape after the first decode step, causing a RuntimeError that crashes the EngineCore process. The crash ...

PYSEC-2026-146

Wagtail is an open source content management system built on Django. Prior to 7.0.7, 7.3.2, and 7.4, a CMS user without the ability to edit a page could access revisions of the page through the revision compare view if they knew the primary key of two revisions. This could potentially result in...

PYSEC-2026-69

Jupyter Server is the backend for Jupyter web applications. In versions 2.17.0 and earlier, the secret used to sign authentication cookies is persisted to a static file at /.local/share/jupyter/runtime/jupytercookiesecret and is never rotated when a user changes their password. After a password...

PYSEC-2026-76

LangChain is a framework for building agents and LLM-powered applications. Prior to 1.1.14, langchain-openai's urltosize helper used by getnumtokensfrommessages for image token counting validated URLs for SSRF protection and then fetched them in a separate network operation with independent DNS...

PYSEC-2026-109

pretalx is a conference planning tool. Prior to 2026.1.0, an unauthenticated attacker can send arbitrary HTML-rendered emails from a pretalx instance's configured sender address by embedding malformed HTML or markdown link syntax in a user-controlled template placeholder such as the account displ...

PYSEC-2026-88

Mako is a template library written in Python. Prior to 1.3.11, TemplateLookup.gettemplate is vulnerable to path traversal when a URI starts with // e.g., //../../../secret.txt. The root cause is an inconsistency between two slash-stripping implementations. Any file readable by the process can be...

PYSEC-2025-9

A remote code execution vulnerability exists in invoke-ai/invokeai versions 5.3.1 through 5.4.2 via the /api/v2/models/install API. The vulnerability arises from unsafe deserialization of model files using torch.load without proper validation. Attackers can exploit this by embedding malicious cod...

PYSEC-2025-120

jupyterhub-ltiauthenticator is a JupyterHub authenticator for learning tools interoperability LTI. LTI13Authenticator that was introduced in jupyterhub-ltiauthenticator 1.3.0 wasn't validating JWT signatures. This is believed to allow the LTI13Authenticator to authorize a forged request. Only use...

PYSEC-2024-219

Gradio is an open-source Python package designed for quick prototyping. This vulnerability involves insecure communication between the FRP Fast Reverse Proxy client and server when Gradio's share=True option is used. HTTPS is not enforced on the connection, allowing attackers to intercept and rea...

PYSEC-2023-182

opencv-contrib-python-headless versions before v4.8.1.78 bundled libwebp binaries in wheels that are vulnerable to CVE-2023-4863. opencv-contrib-python-headless v4.8.1.78 upgrades the bundled libwebp binary to v1.3.2...

PYSEC-2021-118

The Jupyter notebook is a web-based notebook environment for interactive computing. In affected versions untrusted notebook can execute code on load. Jupyter Notebook uses a deprecated version of Google Caja to sanitize user inputs. A public Caja bypass can be used to trigger an XSS when a victim...

PYSEC-2026-199

An issue was discovered in Django 6.0 before 6.0.6 and 5.2 before 5.2.15.django.http.HttpRequest.getsignedcookie in Django uses a non-injective salt derivation concatenating the cookie name and salt argument, which allows a remote attacker to use a cookie in a context different from the one where...

PYSEC-0000-CVE-2026-48526

PyJWT is a JSON Web Token implementation in Python. Prior to 2.13.0, when the verifier is decoding JSON Web Tokens, while supporting both asymmetric and HMAC algorithms, the library does not validate use of JSON Web Keys in HMAC algorithm, allowing attacker to use the issuer public key as the...

PYSEC-2026-180

Streamlink is a CLI utility which pipes video streams from various services into a video player. Prior to 8.4.0, Streamlink's HLS and DASH parsers do not validate the URI scheme of segment entries and other resources. A remote .m3u8 HLS playlist or .mpd DASH manifest can list file:///path/to/file...

PYSEC-2026-40

Diffusers is the a library for pretrained diffusion models. Prior to 0.38.0, a trustremotecode bypass in DiffusionPipeline.frompretrained allows arbitrary remote code execution despite the user passing trustremotecode=False or omitting it, which is the default. The vulnerability has three variant...

PYSEC-2026-128

pyLoad is a free and open-source download manager written in Python. Prior to 0.5.0b3.dev100, package folder names are sanitized using insufficient string replacement. The pattern ....// becomes .. after replacement partial removal, leaving .. which can be exploited when the path is later resolve...

PYSEC-2026-149

Wagtail is an open source content management system built on Django. Prior to 7.0.7, 7.3.2, and 7.4, a CMS user with limited access to pages could copy a page they don't have access to to an area of the site they do. Once coped, they'd be able to view its contents, and potentially publish it...

PYSEC-2026-23

The OpenSearch logging provider, when configured with a host URL that embeds credentials for example https://user:[email protected]:9200, wrote the full host URL — including the embedded credentials — into task logs. Any user with task-log read permission could harvest the backend...

PYSEC-2026-22

The Elasticsearch logging provider, when configured with a host URL that embeds credentials for example https://user:[email protected]:9200, wrote the full host URL — including the embedded credentials — into task logs. Any user with task-log read permission could harvest the backend...

PYSEC-2026-68

Jupyter Server is the backend for Jupyter web applications. In versions 2.17.0 and earlier, a path traversal vulnerability in the REST API allows an authenticated user to escape the configured rootdir and access sibling directories whose names begin with the same prefix as the rootdir. For exampl...

PYSEC-2026-119

OpenCTI is an open source platform for managing cyber threat intelligence knowledge and observables. In versions 6.6.0 through 6.9.12, there is a privilege escalation vulnerability that can be exploited by unauthenticated attackers to query the API as any existing user, including the default admi...

PYSEC-2026-55

An issue was discovered in 6.0 before 6.0.5 and 5.2 before 5.2.14.django.middleware.cache.UpdateCacheMiddleware erroneously caches requests where the Vary header contained an asterisk ''. This can lead to private data being stored and served.Earlier, unsupported Django series such as 5.0.x, 4.1.x...

PYSEC-2026-100

NVIDIA NVFlare Dashboard contains a vulnerability in the user management and authentication system where an unauthenticated attacker may cause authorization bypass through user-controlled key. A successful exploit of this vulnerability may lead to privilege escalation, data tampering, information...

PYSEC-2026-77

LangChain is a framework for building agents and LLM-powered applications. Prior to langchain-text-splitters 1.1.2, HTMLHeaderTextSplitter.splittextfromurl validated the initial URL using validatesafeurl but then performed the fetch with requests.get with redirects enabled the default. Because...