PYSEC-2026-1241 ChangeDetection.io XSS in watch overview

Impact XSS - Errors in filters from website page change detection watches were not being filtered. Patches 0.50.4...

PYSEC-2026-1895 Salt's file contents overwrite the VirtKey class

File contents overwrite the VirtKey class is called when “on-demand pillar” data is requested and uses un-validated input to create paths to the “pki directory”. The functionality is used to auto-accept Minion authentication keys based on a pre-placed “authorization file” at a specific location a...

PYSEC-2026-1997 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...

PYSEC-2026-1999 urllib3 redirects are not disabled when retries are disabled on PoolManager instantiation

urllib3 handles redirects and retries using the same mechanism, which is controlled by the Retry object. The most common way to disable redirects is at the request level, as follows: python resp = urllib3.request"GET", "https://httpbin.org/redirect/1", redirect=False printresp.status 302 However,...

PYSEC-2026-2038 Weblate exposes personal IP address via e-mail

Impact The audit log notifications included the full IP address of the acting user. This could be obtained by third-party servers such as SMTP relays, or spam filters. Patches This issue has been addressed in Weblate 5.12 via https://github.com/WeblateOrg/weblate/pull/15102. References Thanks to...

PYSEC-2026-1513 Langchain-Chatchat has a Path Traversal vulnerability

A vulnerability classified as critical has been found in chatchat-space Langchain-Chatchat up to 0.3.1. This affects the function uploadtempdocs of the file /knowledgebase/uploadtempdocs of the component Backend. The manipulation of the argument flag leads to path traversal. It is possible to...

PYSEC-2026-1689 Nautobot may allows uploaded media files to be accessible without authentication

Impact Files uploaded by users to Nautobot's MEDIAROOT directory, including DeviceType image attachments as well as images attached to a Location, Device, or Rack, are served to users via a URL endpoint that was not enforcing user authentication. As a consequence, such files can be retrieved by...

PYSEC-2026-1893 Salt's salt.auth.pki module does not properly authenticate callers

The salt.auth.pki module does not properly authenticate callers. The "password" field contains a public certificate which is validated against a CA certificate by the module. This is not pki authentication, as the caller does not need access to the corresponding private key for the authentication...

PYSEC-2026-1899 Salt has minion event bus authorization bypass vulnerability

Minion event bus authorization bypass. An attacker with access to a minion key can craft a message which may be able to execute a job on other minions = 3007.0...

PYSEC-2026-1872 Requests vulnerable to .netrc credentials leak via malicious URLs

Impact Due to a URL parsing issue, Requests releases prior to 2.32.4 may leak .netrc credentials to third parties for specific maliciously-crafted URLs. Workarounds For older versions of Requests, use of the .netrc file can be disabled with trustenv=False on your Requests Session docs. References...

PYSEC-2026-1903 Salt allows arbitrary directory creation or file deletion

Arbitrary directory creation or file deletion. In the findfile method of the GitFS class, a path is created using os.path.join using unvalidated input from the “tgtenv” variable. This can be exploited by an attacker to delete any file on the Master's process has permissions to...

PYSEC-2026-1210 Backend.AI Missing Authorization vulnerability

Missing Authorization in Lablup's BackendAI allows attackers to takeover all active sessions; Accessing, stealing, or altering any data accessible in the session. This vulnerability exists in all current versions of BackendAI. NOTE: The maintainers of BackendAI do not consider this report to fit...

PYSEC-2026-1211 BackendAI vulnerable to Exposure of Sensitive Information to an Unauthorized Actor

Exposure of sensitive data in active sessions in Lablup's BackendAI allows attackers to retrieve credentials for users on the management platform. NOTE: The maintainers of BackendAI do not consider this report to fit with their threat model and advise users to follow security advice from...

PYSEC-2026-1897 Salt vulnerable to arbitrary event injection

Arbitrary event injection on Salt Master. The master's "minionevent" method can be used by and authorized minion to send arbitrary events onto the master's event bus...

PYSEC-2026-1715 OctoPrint vulnerable to possible file extraction via upload endpoints

Impact OctoPrint versions up until and including 1.11.1 contain a vulnerability that allows an attacker with the FILEUPLOAD permission to exfiltrate files from the host that OctoPrint has read access to, by moving them into the upload folder where they then can be downloaded from. The primary ris...

PYSEC-2026-1713 OctoPrint Vulnerable to Denial of Service through malformed HTTP request in OctoPrint

Impact OctoPrint versions up until and including 1.11.1 contain a vulnerability that allows any unauthenticated attacker to send a manipulated broken multipart/form-data request to OctoPrint and through that make the web server component become unresponsive. This could be used to effectively run ...

PYSEC-2026-1901 Salt vulnerable to directory traversal attack in minion file cache creation

Directory traversal attack in minion file cache creation. The master's default cache is vulnerable to a directory traversal attack. Which could be leveraged to write or overwrite 'cache' files outside of the cache directory...

PYSEC-2026-1921 SignXML's signature verification with HMAC is vulnerable to an algorithm confusion attack

When verifying signatures with X509 certificate validation turned off and HMAC shared secret set signxml.XMLVerifier.verifyrequirex509=False, hmackey=..., prior versions of SignXML are vulnerable to a potential algorithm confusion attack. Unless the user explicitly limits the expected signature...

PYSEC-2026-1867 Issue with Amazon Redshift Python Connector and the BrowserAzureOAuth2CredentialsProvider plugin

Summary Amazon Redshift Python Connector is a pure Python connector to Redshift i.e., driver that implements the Python Database API Specification 2.0. When the Amazon Redshift Python Connector is configured with the BrowserAzureOAuth2CredentialsProvider plugin, the driver skips the SSL certifica...

PYSEC-2026-1557 LLama-Index CLI OS command injection vulnerability

LLama-Index CLI prior to v0.4.1, corresponding to LLama-Index prior to v0.12.21, contains an OS command injection vulnerability. The vulnerability arises from the improper handling of the --files argument, which is directly passed into os.system. An attacker who controls the content of this...

PYSEC-2026-1505 HumanSignal label-studio-ml-backend Deserialization of Untrusted Data vulnerability

A vulnerability has been found in HumanSignal label-studio-ml-backend up to 9fb7f4aa186612806af2becfb621f6ed8d9fdbaf and classified as problematic. Affected by this vulnerability is the function load of the file label-studio-ml-backend/labelstudioml/examples/yolo/utils/neuralnets.py of the...

PYSEC-2026-1423 Gradio CORS Origin Validation Bypass Vulnerability

A vulnerability classified as problematic has been found in gradio-app gradio up to 5.29.1. This affects the function isvalidorigin of the component CORS Handler. The manipulation of the argument localhostaliases leads to origin validation error. It is possible to initiate the attack remotely. Th...

PYSEC-2026-1922 SignXML's signature verification with HMAC is vulnerable to a timing attack

When verifying signatures with X509 certificate validation turned off and HMAC shared secret set signxml.XMLVerifier.verifyrequirex509=False, hmackey=..., prior versions of SignXML are vulnerable to a potential timing attack. The verifier may leak information about the correct HMAC when comparing...

PYSEC-2026-1477 Jupyter Core on Windows Has Uncontrolled Search Path Element Local Privilege Escalation Vulnerability

Impact On Windows, the shared %PROGRAMDATA% directory is searched for configuration files SYSTEMCONFIGPATH and SYSTEMJUPYTERPATH, which may allow users to create configuration files affecting other users. Only shared Windows systems with multiple users and unprotected %PROGRAMDATA% are affected...

PYSEC-2026-1929 Skyvern has a Jinja runtime leak

Skyvern through 0.2.0 has a Jinja runtime leak in sdk/workflow/models/block.py...

PYSEC-2026-1164 Apache Superset: Improper authorization bypass on row level security via SQL Injection

An authenticated malicious actor using specially crafted requests could bypass row level security configuration by injecting SQL into 'sqlExpression' fields. This allowed the execution of sub-queries to evade parsing defenses ultimately granting unauthorized access to data. This issue affects...

PYSEC-2026-1300 Django-Select2 Vulnerable to Widget Instance Secret Cache Key Leaking

Impact Instances of HeavySelect2Mixin subclasses like the ModelSelect2MultipleWidget and ModelSelect2Widget can secret access tokens across requests. This can allow users to access restricted querysets and restricted data. Patches The problem has been patched in version 8.4.1 and all following...

PYSEC-2026-2023 vLLM Tool Schema allows DoS via Malformed pattern and type Fields

Summary The vLLM backend used with the /v1/chat/completions OpenAPI endpoint fails to validate unexpected or malformed input in the "pattern" and "type" fields when the tools functionality is invoked. These inputs are not validated before being compiled or parsed, causing a crash of the inference...

PYSEC-2026-1088 Aim Vulnerable to Sandbox Escape Leading to Remote Code Execution

A vulnerability classified as critical was found in aimhubio aim up to 3.29.1. This vulnerability affects the function RestrictedPythonQuery of the file /aim/storage/query.py of the component runview Object Handler. The manipulation of the argument Query leads to sandbox issue. The attack can be...

PYSEC-2026-1196 AstrBot Has Path Traversal Vulnerability in /api/chat/get_file

Impact This vulnerability may lead to: Information disclosure, such as API keys for LLM providers, account passwords, and other sensitive data. Reproduce Follow these steps to set up a test environment for reproducing the vulnerability: 1. Install dependencies and clone the repository: bash pip...

PYSEC-2026-1531 Langroid has a Code Injection vulnerability in LanceDocChatAgent through vector_store

Summary LanceDocChatAgent uses pandas eval through computefromdocs: https://github.com/langroid/langroid/blob/18667ec7e971efc242505196f6518eb19a0abc1c/langroid/vectorstore/base.pyL136-L150 As a result, an attacker may be able to make the agent run malicious commands through QueryPlan.dataframecal...

PYSEC-2026-1554 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...

PYSEC-2026-1189 Apache Superset Allows Ownership Takeover

Improper Authorization vulnerability in Apache Superset allows ownership takeover of dashboards, charts or datasets by authenticated users with read permissions. This issue affects Apache Superset: through 4.1.1. Users are recommended to upgrade to version 4.1.2 or above, which fixes the issue...

PYSEC-2026-1379 Flask-AppBuilder open redirect vulnerability using HTTP host injection

Impact Flask-AppBuilder prior to 4.6.2 would allow for a malicious unauthenticated actor to perform an open redirect by manipulating the Host header in HTTP requests. Patches Flask-AppBuilder 4.6.2 introduced the FABSAFEREDIRECTHOSTS configuration variable, which allows administrators to explicit...

PYSEC-2026-1974 Tornado vulnerable to excessive logging caused by malformed multipart form data

Summary When Tornado's multipart/form-data parser encounters certain errors, it logs a warning but continues trying to parse the remainder of the data. This allows remote attackers to generate an extremely high volume of logs, constituting a DoS attack. This DoS is compounded by the fact that the...

PYSEC-2026-2028 Vyper's `slice()` may elide side-effects when output length is 0

Impact the slice builtin can elide side effects when the output length is 0, and the source bytestring is a builtin msg.data or .code. the reason is that for these source locations, the check that length = 1 is skipped:...

PYSEC-2026-1464 FunAudioLLM InspireMusic deserialization vulnerability

A vulnerability was found in FunAudioLLM InspireMusic up to bf32364bcb0d136497ca69f9db622e9216b029dd. It has been classified as critical. Affected is the function loadstatedict of the file inspiremusic/cli/model.py of the component Pickle Data Handler. The manipulation leads to deserialization. A...

PYSEC-2026-2017 Remote Code Execution Vulnerability in vLLM Multi-Node Cluster Configuration

Affected Environments Note that this issue only affects the V0 engine, which has been off by default since v0.8.0. Further, the issue only applies to a deployment using tensor parallelism across multiple hosts, which we do not expect to be a common deployment pattern. Since V0 is has been off by...

PYSEC-2026-1308 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...

PYSEC-2026-2029 Vyper's `concat()` builtin may elide side-effects for zero-length arguments

Impact concat may skip evaluation of side effects when the length of an argument is zero. this is due to a fastpath in the implementation which skips evaluation of argument expressions when their length is zero:...

PYSEC-2026-1377 Flask uses fallback key instead of current signing key

In Flask 3.1.0, the way fallback key configuration was handled resulted in the last fallback key being used for signing, rather than the current signing key. Signing is provided by the itsdangerous library. A list of keys can be passed, and it expects the last top key in the list to be the most...

PYSEC-2026-1281 Crawl4AI SSRF vulnerability

Crawl4AI =0.4.247 is vulnerable to SSRF in /crawl4ai/asyncdispatcher.py...

PYSEC-2026-1970 PyTorch Improper Resource Shutdown or Release vulnerability

A vulnerability, which was classified as problematic, was found in PyTorch 2.6.0. Affected is the function torch.nn.functional.ctcloss of the file aten/src/ATen/native/LossCTC.cpp. The manipulation leads to denial of service. An attack has to be approached locally. The exploit has been disclosed ...

PYSEC-2026-2016 Data exposure via ZeroMQ on multi-node vLLM deployment

Impact In 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 acros...

PYSEC-2026-1675 Mobile Security Framework (MobSF) Allows Stored Cross Site Scripting (XSS) via malicious SVG Icon Upload

Vulnerable MobSF Versions: .svg This file becomes publicly accessible via the web interface at: http://127.0.0.1:8081/download/filename.svg If the SVG contains embedded JavaScript e.g., an XSS payload, accessing this URL via a browser leads to the execution of the script in the context of the Mob...

PYSEC-2026-1862 Rasa Pro Missing Authentication For Voice Connector APIs

Vulnerability A vulnerability has been identified in Rasa Pro where voice connectors in Rasa Pro do not properly implement authentication even when a token is configured in the credentials.yml file. This could allow an attacker to submit voice data to the Rasa Pro assistant from an unauthenticate...

PYSEC-2026-1671 Mobile Security Framework (MobSF) Allows Web Server Resource Exhaustion via ZIP of Death Attack

Vulnerable MobSF Versions: = v4.3.2 Details: MobSF is a widely adopted mobile application security testing tool used by security teams across numerous organizations. Typically, MobSF is deployed on centralized internal or cloud-based servers that also host other security tools and web application...

PYSEC-2026-1204 AWorld OS Command Injection vulnerability

A vulnerability was found in inclusionAI AWorld up to 8c257626e648d98d793dd9a1a950c2af4dd84c4e. It has been rated as critical. This issue affects the function subprocess.run/subprocess.Popen of the file AWorld/aworld/virtualenvironments/terminals/shelltool.py. The manipulation leads to os command...

PYSEC-2026-1532 Langroid Allows XXE Injection via XMLToolMessage

Summary A LLM application leveraging XMLToolMessage class may be exposed to untrusted XML input that could result in DoS and/or exposing local files with sensitive information. Details XMLToolMessage uses lxml without safeguards:...

PYSEC-2026-1984 Transformers Regular Expression Denial of Service (ReDoS) vulnerability

A Regular Expression Denial of Service ReDoS vulnerability was identified in the huggingface/transformers library, specifically in the file tokenizationgptneoxjapanese.py of the GPT-NeoX-Japanese model. The vulnerability occurs in the SubWordJapaneseTokenizer class, where regular expressions...