PYSEC-2026-2215

Mistune is a Python Markdown parser with renderers and plugins. Prior to 3.3.0, the Include directive in src/mistune/directives/include.py detects only direct self-includes and not indirect cycles, allowing two markdown files that include each other to trigger unbounded recursion, raise...

mlflow Creates of Temporary File in Directory with Insecure Permissions

In mlflow version 2.20.3, the temporary directory used for creating Python virtual environments is assigned insecure world-writable permissions 0o777. This vulnerability allows an attacker with write access to the /tmp directory to exploit a race condition and overwrite .py files in the virtual...

Llama Stack exposes secret in initialization log

Llama Stack aka llama-stack before 0.4.0rc3 does not censor the pgvector password in the initialization log...

GI-DocGen vulnerable to Reflected XSS via unescaped query strings

A flaw was found in GI-DocGen. This vulnerability allows arbitrary JavaScript execution in the context of the page — enabling DOM access, session cookie theft and other client-side attacks — via a crafted URL that supplies a malicious value to the q GET parameter reflected DOM XSS...

pyasn1 has a DoS vulnerability in decoder

SummaryAfter reviewing pyasn1 v0.6.1 a Denial-of-Service issue has been found that leads to memory exhaustion from malformed RELATIVE-OID with excessive continuation octets. DetailsThe integer issue can be found in the decoder as reloid += subId 7 + nextSubId,:...

jaraco.context Has a Path Traversal Vulnerability

SummaryThere is a Zip Slip path traversal vulnerability in the jaraco.context package affecting setuptools as well, in jaraco.context.tarball function. The vulnerability may allow attackers to extract files outside the intended extraction directory when malicious tar archives are processed.The...

NiceGUI has a path traversal in app.add_media_files() allows arbitrary file read

SummaryA directory traversal vulnerability in NiceGUI's App.addmediafiles allows a remote attacker to read arbitrary files on the server filesystem. DetailsHello, I am Seungbin Yang, a university student studying cybersecurity. While reviewing the source code of the repository, I discovered a...

Weblate has improper validation upon invitation acceptance

ImpactIt was possible to accept an invitation opened by a different Weblate user. Patches https://github.com/WeblateOrg/weblate/pull/16913 WorkaroundsUsers should avoid leaving Weblate sessions with an unattended opened invitation. ReferencesThanks to Nahid0x for responsibly disclosing this...

OpenStack's Mistral Client has a local file inclusion vulnerability

The mistral-dashboard plugin for openstack has a local file inclusion vulnerability through the 'Create Workbook' feature that may result in disclosure of arbitrary local files content...

pg8000 SQL injection vulnerability via a specially crafted Python list input

SQL injection vulnerability in tlocke pg8000 1.31.4 allows remote attackers to execute arbitrary SQL commands via a specially crafted Python list input to function pg8000.native.literal...

Keras is vulnerable to arbitrary local file loading and Server-Side Request Forgery

The Keras.Model.loadmodel method, including when executed with the intended security mitigation safemode=True, is vulnerable to arbitrary local file loading and Server-Side Request Forgery SSRF.This vulnerability stems from the way the StringLookup layer is handled during model loading from a...

MLflow Tracking Server Model Creation Directory Traversal Remote Code Execution Vulnerability

MLflow Tracking Server Model Creation Directory Traversal Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of MLflow Tracking Server. Authentication is not required to exploit this vulnerability.The specific flaw...

Home Assistant has Stored XSS vulnerability in Energy dashboard from Energy Entity Name

SummaryAn authenticated party can add a malicious name to the Energy entity, allowing for Cross-Site Scripting attacks against anyone who can see the Energy dashboard, when they hover over any information point The blue bar in the picture belowAn alternative, and more impactful scenario, is that...

LangChain Text Splitters is vulnerable to XML External Entity (XXE) attacks due to unsafe XSLT parsing

The HTMLSectionSplitter class in langchain-text-splitters is vulnerable to XML External Entity XXE attacks due to unsafe XSLT parsing. This vulnerability arises because the class allows the use of arbitrary XSLT stylesheets, which are parsed using lxml.etree.parse and lxml.etree.XSLT without any...

pip's fallback tar extraction doesn't check symbolic links point to extraction directory

When extracting a tar archive pip may not check symbolic links point into the extraction directory if the tarfile module doesn't implement PEP 706. Note that upgrading pip to a "fixed" version for this vulnerability doesn't fix all known vulnerabilities that are remediated by using a Python versi...

ml-logger has path traversal in the file argument

A vulnerability was identified in geyang ml-logger 0.10.36 and prior. Affected by this vulnerability is the function loghandler of the file mllogger/server.py. Such manipulation of the argument File leads to path traversal. It is possible to launch the attack remotely. The exploit is publicly...

copyparty: Sharing a single file does not fully restrict access to other files in source folder

There was a missing permission-check in the shares feature the shr global-option.When a share is created for just one file inside a folder, it was possible to access the other files inside that folder by guessing the filenames.It was not possible to descend into subdirectories in this manner; onl...

xml2rfc is vulnerable to arbitrary file reads through prepped files

ImpactWhen generating PDF files, this vulnerability allows an attacker to read arbitrary files from the filesystem by injecting malicious link element into the prepped RFCXML. WorkaroundsTest untrusted input with link elements with rel="attachment" before processing. ReferencesThis is related to...

Hugging Face Transformers is vulnerable to ReDoS through its MarianTokenizer

A Regular Expression Denial of Service ReDoS vulnerability was discovered in the Hugging Face Transformers library, specifically affecting the MarianTokenizer's removelanguagecode method. This vulnerability is present in version 4.52.4 and has been fixed in version 4.53.0. The issue arises from...

Fides Webserver API is Vulnerable to OAuth Client Privilege Escalation

SummaryThe OAuth client creation and update endpoints of the Fides Webserver API do not properly authorize scope assignment. This allows highly privileged users with client:create or client:update permissions to escalate their privileges to owner-level. DetailsWhen creating or updating OAuth...

Infrahub: Deleted and expired API tokens can still authenticate

ImpactA bug in the authentication logic will cause API tokens that were deleted and/or expired to be considered valid. This means that any API token that is associated with an active user account can authenticate successfully. PatchesThis issue is fixed in versions 1.3.9 and 1.4.5 WorkaroundsUser...

MobSF Path Traversal in GET /download/<filename> using absolute filenames

SummaryThe GET /download/ route uses string path verification via os.path.commonprefix, which allows an authenticated user to download files outside the DWDDIR download directory from "neighboring" directories whose absolute paths begin with the same prefix as DWDDIR e.g., .../downloadsbak,...

ESP-IDF web_server basic auth bypass using empty or incomplete Authorization header

SummaryOn the ESP-IDF platform, ESPHome's webserver authentication check can pass incorrectly when the client-supplied base64-encoded Authorization value is empty or is a substring of the correct value e.g., correct username with partial password. This allows access to webserver functionality...

Picklescan is missing detection when calling built-in python ensurepip._run_pip

SummaryUsing ensurepip.runpip function, which is a built-in python library function to execute remote pickle file. DetailsThe attack payload executes in the following steps:First, the attacker craft the payload by calling to ensurepip.runpip function in reduce methodThen when the victim after...

PyPDF's Manipulated FlateDecode streams can exhaust RAM

ImpactAn attacker who uses this vulnerability can craft a PDF which leads to the RAM being exhausted. This requires just reading the file if a series of FlateDecode filters is used on a malicious cross-reference stream. Other content streams are affected on explicit access. PatchesThis has been...

MS SWIFT WEB-UI RCE Vulnerability

I. Detailed Description: This includes scenarios, screenshots, vulnerability reproduction methods. For account-related vulnerabilities, please provide test accounts. If the reproduction process is complex, you may record a video, upload it to Taopan, and attach the link.1. Install ms-swift pip...

OpenEXR Heap-Based Buffer Overflow in Deep Scanline Parsing via Forged Unpacked Size

SummaryThe OpenEXRCore code is vulnerable to a heap-based buffer overflow during a write operation when decompressing ZIPS-packed deep scan-line EXR files with a maliciously forged chunk header. DetailsWhen parsing STORAGEDEEPSCANLINE chunks from an EXR file, the following code from...

copyparty has DOM-Based XSS vulnerability when displaying multimedia metadata

SummaryAn unauthenticated attacker is able to execute arbitrary JavaScript code in a victim's browser due to improper sanitization of multimedia tags in music files, including m3u files. DetailsMultimedia metadata is rendered in the web-app without sanitization. This can be exploited in two ways:...

Transformers vulnerable to ReDoS attack through its SETTING_RE variable

A Regular Expression Denial of Service ReDoS vulnerability was discovered in the huggingface/transformers repository, specifically in version 4.49.0. The vulnerability is due to inefficient regular expression complexity in the SETTINGRE variable within the transformers/commands/chat.py file. The...

Transformers's Improper Input Validation vulnerability can be exploited through username injection

Hugging Face Transformers versions up to 4.49.0 are affected by an improper input validation vulnerability in the imageutils.py file. The vulnerability arises from insecure URL validation using the startswith method, which can be bypassed through URL username injection. This allows attackers to...

MCP Python SDK has Unhandled Exception in Streamable HTTP Transport, Leading to Denial of Service

If a client deliberately triggers an exception after establishing a streamable HTTP session, this can lead to an uncaught ClosedResourceError on the server side, causing the server to crash and requiring a restart to restore service. Impact may vary depending on the deployment conditions, and...

HKUDS LightRAG allows Path Traversal via function upload_to_input_dir

A vulnerability was found in HKUDS LightRAG up to 1.3.8. It has been declared as critical. Affected by this vulnerability is the function uploadtoinputdir of the file lightrag/api/routers/documentroutes.py of the component File Upload. The manipulation of the argument file.filename leads to path...

urllib3 does not control redirects in browsers and Node.js

urllib3 supports being used in a Pyodide runtime utilizing the JavaScript Fetch API or falling back on XMLHttpRequest. This means you can use Python libraries to make HTTP requests from your browser or Node.js. Additionally, urllib3 provides a mechanism to control redirects.However, the retries a...

LlamaIndex Vulnerable to Denial of Service (DoS)

A Denial of Service DoS vulnerability has been identified in the KnowledgeBaseWebReader class of the run-llama/llamaindex project, affecting version latestv0.12.15. The vulnerability arises due to inappropriate secure coding measures, specifically the lack of proper implementation of the maxdepth...

docarray prototype pollution

A vulnerability was found in docarray up to 0.40.1. It has been rated as critical. Affected by this issue is the function getitem of the file /docarray/data/torchdataset.py of the component Web API. The manipulation leads to improperly controlled modification of object prototype attributes...

Data exposure via ZeroMQ on multi-node vLLM deployment

ImpactIn a multi-node vLLM deployment, vLLM uses ZeroMQ for some multi-node communication purposes. The primary vLLM host opens an XPUB ZeroMQ socket and binds it to ALL interfaces. While the socket is always opened for a multi-node deployment, it is only used when doing tensor parallelism across...

LLaMA-Factory Allows Arbitrary Code Execution via Unsafe Deserialization in Ilamafy_baichuan2.py

DescriptionA critical vulnerability exists in the llamafybaichuan2.py script of the LLaMA-Factory project. The script performs insecure deserialization using torch.load on user-supplied .bin files from an input directory. An attacker can exploit this behavior by crafting a malicious .bin file tha...

Open WebUI lacks authentication for the `api/v1/utils/pdf` endpoint

In version v0.3.10 of open-webui/open-webui, the api/v1/utils/pdf endpoint lacks authentication mechanisms, allowing unauthenticated attackers to access the PDF generation service. This vulnerability can be exploited by sending a POST request with an excessively large payload, potentially leading...

Aim allows denial of service due to no timeouts for some tracking server endpoints

In version 3.23.0 of aimhubio/aim, certain methods that request data from external servers do not have set timeouts, causing the server to wait indefinitely for a response. This can lead to a denial of service, as the tracking server does not respond to other requests while waiting. The issue...

Open WebUI Has Improper Access Control Leading to Arbitrary Prompt Read

In version v0.3.8 of open-webui/open-webui, improper access control vulnerabilities allow an attacker to view any prompts. The application does not verify whether the attacker is an administrator, allowing the attacker to directly call the /api/v1/prompts/ interface to retrieve all prompt...

Open WebUI Allows Arbitrary File Write via the `download_model` Endpoint

In version 0.3.8 of open-webui/open-webui, an arbitrary file write vulnerability exists in the downloadmodel endpoint. When deployed on Windows, the application improperly handles file paths, allowing an attacker to manipulate the file path to write files to arbitrary locations on the server's...

Flask-CORS vulnerable to Improper Handling of Case Sensitivity

corydolphin/flask-cors version 5.0.1 contains a vulnerability where the request path matching is case-insensitive due to the use of the trymatch function, which is originally intended for matching hosts. This results in a mismatch because paths in URLs are case-sensitive, but the regex matching...

Aim Relative Path Traversal vulnerability

A vulnerability in the runs/delete-batch endpoint of aimhubio/aim version 3.19.3 allows for arbitrary file or directory deletion through path traversal. The endpoint does not mitigate path traversal when handling user-specified run-names, which are used to specify log/metadata files for deletion...

InvokeAI Uncontrolled Resource Consumption vulnerability

A Denial of Service DoS vulnerability was discovered in the /api/v1/boards/boardid endpoint of invoke-ai/invokeai version v5.0.2. This vulnerability occurs when an excessively large payload is sent in the boardname field during a PATCH request. By sending a large payload, the UI becomes...

copyparty renders unsanitized filenames as HTML when user uploads empty files

SummaryA DOM-Based XSS was discovered in copyparty, a portable fileserver. The vulnerability is considered low-risk. DetailsBy handing someone a maliciously-named file, and then tricking them into dragging the file into copyparty's Web-UI, an attacker could execute arbitrary javascript with the...

Jinja2 vulnerable to sandbox breakout through attr filter selecting format method

An oversight in how the Jinja sandboxed environment interacts with the |attr filter allows an attacker that controls the content of a template to execute arbitrary Python code.To exploit the vulnerability, an attacker needs to control the content of a template. Whether that is the case depends on...

Label Studio allows Server-Side Request Forgery in the S3 Storage Endpoint

DescriptionLabel Studio's S3 storage integration feature contains a Server-Side Request Forgery SSRF vulnerability in its endpoint configuration. When creating an S3 storage connection, the application allows users to specify a custom S3 endpoint URL via the s3endpoint parameter. This endpoint UR...

Mitmweb API Authentication Bypass Using Proxy Server

ImpactIn mitmweb 11.1.0 and below, a malicious client can use mitmweb's proxy server bound to :8080 by default to access mitmweb's internal API bound to 127.0.0.1:8081 by default. In other words, while the client cannot access the API directly good, they can access the API through the proxy bad. ...

ASTEVAL Allows Maliciously Crafted Format Strings to Lead to Sandbox Escape

SummaryIf an attacker can control the input to the asteval library, they can bypass asteval's restrictions and execute arbitrary Python code in the context of the application using the library. DetailsThe vulnerability is rooted in how asteval performs handling of FormattedValue AST nodes. In...

Label Studio allows Cross-Site Scripting (XSS) via GET request to `/projects/upload-example` endpoint

DescriptionLabel Studio's /projects/upload-example endpoint allows injection of arbitrary HTML through a GET request with an appropriately crafted labelconfig query parameter. By crafting a specially formatted XML label config with inline task data containing malicious HTML/JavaScript, an attacke...