PYSEC-2026-1359 fastapi-guard is vulnerable to ReDoS through inefficient regex

Summary fastapi-guard detects penetration attempts by using regex patterns to scan incoming requests. However, some of the regex patterns used in detection are extremely inefficient and can cause polynomial complexity backtracks when handling specially crafted inputs. It is not as severe as...

PYSEC-2026-1567 LlamaIndex vulnerability in its ObsidianReader class can lead to Path Traversal exploit

A vulnerability in the ObsidianReader class of the run-llama/llamaindex repository, before version 0.5.2 specifically in version 0.12.27 of llama-index, allows for hardlink-based path traversal. This flaw permits attackers to bypass path restrictions and access sensitive system files, such as...

PYSEC-2026-1986 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...

PYSEC-2026-1539 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...

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-2026-2029 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-2026-1281 Crawl4AI SSRF vulnerability

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

PYSEC-2026-1393 Frappe has Possibility of Remote Code Execution due to improper validation

Impact A system user was able to create certain documents in a specific way that could lead to RCE. Workarounds There's no workaround, an upgrade is required. Credits Thanks to Thanh of Calif.io for reporting the issue...

PYSEC-2026-1438 H2O Vulnerable to Denial of Service (DoS) via `HEAD` Request

A vulnerability in the typeahead endpoint of h2oai/h2o-3 version 3.46.0 allows for a denial of service. The endpoint performs a HEAD request to verify the existence of a specified resource without setting a timeout. An attacker can exploit this by sending multiple requests to an attacker-controll...

PYSEC-2026-1857 PyTorch Lightning denial of service vulnerability

A vulnerability in lightning-ai/pytorch-lightning version 2.3.2 allows an attacker to cause a denial of service by sending an unexpected POST request to the /api/v1/state endpoint of LightningApp. This issue occurs due to improper handling of unexpected state values, which results in the server...

PYSEC-2026-1385 Flask-CORS allows for inconsistent CORS matching

A vulnerability in corydolphin/flask-cors version 5.0.1 allows for inconsistent CORS matching due to the handling of the '+' character in URL paths. The request.path is passed through the unquoteplus function, which converts the '+' character to a space ' '. This behavior leads to incorrect path...

PYSEC-2026-1383 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...

PYSEC-2026-1742 Open WebUI Uncontrolled Resource Consumption vulnerability

A vulnerability in open-webui/open-webui v0.3.8 allows an unauthenticated attacker to sign up with excessively large text in the 'name' field, causing the Admin panel to become unresponsive. This prevents administrators from performing essential user management actions such as deleting, editing, ...

PYSEC-2026-1458 imaginAIry Denial of Service (DoS) vulnerability

A Denial of Service DoS vulnerability exists in the brycedrennan/imaginairy repository, version 15.0.0. The vulnerability is present in the /api/stablestudio/generate endpoint, which can be exploited by sending an invalid request. This causes the server process to terminate abruptly, outputting...

PYSEC-2026-1733 Open WebUI Uncontrolled Resource Consumption vulnerability

In version v0.3.32 of open-webui/open-webui, the application allows users to submit large payloads in the email and password fields during the sign-in process due to the lack of character length validation on these inputs. This vulnerability can lead to a Denial of Service DoS condition when a us...

PYSEC-2026-1417 Gradio Vulnerable to Arbitrary File Deletion

A path traversal vulnerability exists in the Gradio Audio component of gradio-app/gradio, as of version git 98cbcae. This vulnerability allows an attacker to control the format of the audio file, leading to arbitrary file content deletion. By manipulating the output format, an attacker can reset...

PYSEC-2026-1291 DB-GPT Path Traversal vulnerability

A Path Traversal vulnerability exists in the eosphoros-ai/db-gpt version 0.6.0 at the API endpoint /v1/resource/file/delete. This vulnerability allows an attacker to delete any file on the server by manipulating the filekey parameter. The filekey parameter is not properly sanitized, enabling an...

PYSEC-2026-1445 H2O Vulnerable to Denial of Service (DoS) via `/3/Parse` Endpoint

A vulnerability in the /3/Parse endpoint of h2oai/h2o-3 version 3.46.0.1 allows for a denial of service DoS attack. The endpoint uses a user-specified string to construct a regular expression, which is then applied to another user-specified string. By sending multiple simultaneous requests, an...

PYSEC-2026-1936 Spotipy's cache file, containing spotify auth token, is created with overly broad permissions

Summary The CacheHandler class creates a cache file to store the auth token here: https://github.com/spotipy-dev/spotipy/blob/master/spotipy/cachehandler.pyL93-L98 The file created has rw-r--r-- 644 permissions by default, when it could be locked down to rw------- 600 permissions. I think 600 is ...

PYSEC-2026-1215 XPixelGroup BasicSR Command Injection

XPixelGroup BasicSR through 1.4.2 might locally allow code execution in contrived situations where "scontrol show hostname" is executed in the presence of a crafted SLURMNODELIST environment variable...

PYSEC-2026-1859 Malciously crafted QPY files can allows Remote Attackers to Cause Denial of Service in Qiskit

Impact A maliciously crafted QPY file containing a malformed symengine serialization stream as part of the larger QPY serialization of a ParameterExpression object can cause a segfault within the symengine library, allowing an attacker to terminate the hosting process deserializing the QPY payloa...

PYSEC-2026-1630 Mitmweb API Authentication Bypass Using Proxy Server

Impact In 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...

PYSEC-2026-1493 khoj has an IDOR in subscription management allows unauthorized subscription modifications

Summary An Insecure Direct Object Reference IDOR vulnerability in the updatesubscription endpoint allows any authenticated user to manipulate other users' Stripe subscriptions by simply modifying the email parameter in the request. Details The vulnerability exists in the subscription endpoint at...

PYSEC-2026-1320 D-Tale allows Remote Code Execution through the Custom Filter Input

Impact Users hosting D-Tale publicly can be vulnerable to remote code execution allowing attackers to run malicious code on the server. Patches Users should upgrade to version 3.16.1 where the update-settings endpoint blocks the ability for users to update the enablecustomfilters flag. You can fi...

PYSEC-2026-1162 Apache Superset: SQLLab Improper readonly query validation allows unauthorized write access

Improper Authorization vulnerability in Apache Superset. On Postgres analytic databases an attacker with SQLLab access can craft a specially designed SQL DML statement that is Incorrectly identified as a read-only query, enabling its execution. Non postgres analytics database connections and...

PYSEC-2026-1611 Synapse allows a a malformed invite to break the invitee's `/sync`

Impact Synapse versions before 1.120.1 fail to properly validate invites received over federation. This vulnerability allows a malicious server to send a specially crafted invite that disrupts the invited user's /sync functionality. Patches Synapse 1.120.1 rejects such invalid invites received ov...

PYSEC-2026-1843 pyspider Cross-site Scripting vulnerability

pyspider through 0.3.10 allows /update XSS. NOTE: This vulnerability only affects products that are no longer supported by the maintainer...

PYSEC-2026-2070 Missing ratelimit on passwrod resets in zenml

zenml-io/zenml version 0.56.4 is vulnerable to an account takeover due to the lack of rate-limiting in the password change function. An attacker can brute-force the current password in the 'Update Password' function, allowing them to take over the user's account. This vulnerability is due to the...

PYSEC-2026-1860 Werkzeug possible resource exhaustion when parsing file data in forms

Applications using Werkzeug to parse multipart/form-data requests are vulnerable to resource exhaustion. A specially crafted form body can bypass the Request.maxformmemorysize setting. The Request.maxcontentlength setting, as well as resource limits provided by deployment software and platforms,...

PYSEC-2026-1376 Flair allows arbitrary code execution

A vulnerability, which was classified as critical, was found in flairNLP flair 0.14.0. Affected is the function ClusteringModel of the file flair\models\clustering.py of the component Mode File Loader. The manipulation leads to code injection. It is possible to launch the attack remotely. The...

PYSEC-2026-1744 open-webui Insecure Direct Object Reference (IDOR) vulnerability

An Insecure Direct Object Reference IDOR vulnerability exists in open-webui/open-webui version v0.3.8. The vulnerability occurs in the API endpoint http://0.0.0.0:3000/api/v1/memories/id/update, where the decentralization design is flawed, allowing attackers to edit other users' memories without...

PYSEC-2026-1265 Composio Path Traversal vulnerability

A vulnerability was found in composiohq composio up to 0.5.8 and classified as problematic. Affected by this issue is the function path of the file composio\server\api.py. The manipulation of the argument file leads to path traversal. The exploit has been disclosed to the public and may be used...

PYSEC-2026-2024 vLLM denial of service vulnerability

A flaw was found in the vLLM library. A completions API request with an empty prompt will crash the vLLM API server, resulting in a denial of service...

PYSEC-2026-1338 Remote Code Execution Vulnerability via SSTI in Fides Webserver Jinja Email Templating Engine

Summary The Email Templating feature uses Jinja2 without proper input sanitization or rendering environment restrictions, allowing for Server-Side Template Injection that grants Remote Code Execution to privileged users. A privileged user refers to an Admin UI user with the default Owner or...

PYSEC-2026-1600 Mage AI incorrectly gives privileges to users with deleted accounts

Guest users in the Mage AI framework that remain logged in after their accounts are deleted, are mistakenly given high privileges and specifically given access to remotely execute arbitrary code through the Mage AI terminal server...

PYSEC-2026-1601 Mage AI Path Traversal vulnerability

Mage AI allows remote users with the "Viewer" role to leak arbitrary files from the Mage server due to a path traversal in the "File Content" request...

PYSEC-2026-1492 Khoj Vulnerable to Stored Cross-site Scripting In Automate (Preview feature)

Summary The Automation feature allows a user to insert arbitrary HTML inside the task instructions, resulting in a Stored XSS. Details The q parameter for the /api/automation endpoint does not get correctly sanitized when rendered on the page, resulting in the ability of users to inject arbitrary...

PYSEC-2026-1357 FastAPI Admin Cross-site Scripting vulnerability in the Config-Create function

A cross-site scripting XSS vulnerability in the Config-Create function of fastapi-admin pro v0.1.4 allows attackers to execute arbitrary web scripts or HTML via a crafted payload injected into the Product Name parameter...

PYSEC-2026-1248 CKAN may leak Solr credentials via error message in package_search action

If there were connection issues with the Solr server, the internal Solr URL potentially including credentials could be leaked to packagesearch calls as part of the returned error message Patches This has been patched in CKAN 2.10.5 and 2.11.0...

PYSEC-2026-1669 MobSF vulnerable to Open Redirect in Login Redirect

Impact What kind of vulnerability is it? Who is impacted? An open redirect vulnerability exist in MobSF authentication view. PoC 1. Go to http://127.0.0.1:8000/login/?next=//afine.com in a web browser. 2. Enter credentials and press "Sign In". 3. You will be redirected to afine.com Users who are...

PYSEC-2026-1992 twisted.web has disordered HTTP pipeline response

Summary The HTTP 1.0 and 1.1 server provided by twisted.web could process pipelined HTTP requests out-of-order, possibly resulting in information disclosure. PoC 0. Start a fresh Debian container: sh docker run --workdir /repro --rm -it debian:bookworm-slim 1. Install twisted and its dependencies...

PYSEC-2026-1809 [PUNCIA] [CWE-319] Cleartext Transmission of Sensitive Information via HTTP urls in `API_URLS`

Impact APIURLS is utilizing HTTP instead of HTTPS for communication that can lead to issues like Eavesdropping, Data Tampering, Unauthorized Data Access & MITM Attacks. References ISSUE PATCH...

PYSEC-2026-1118 Anki Latex Incomplete Blocklist Vulnerability

An vulnerability in the handling of Latex exists in Ankitects Anki 24.04. When Latex is sanitized to prevent unsafe commands, the verbatim package, which comes installed by default in many Latex distributions, has been overlooked. A specially crafted flashcard can lead to an arbitrary file read. ...

PYSEC-2026-1962 TensorFlow has segfault in array_ops.upper_bound

Impact arrayops.upperbound causes a segfault when not given a rank 2 tensor. Patches We have patched the issue in GitHub commit 915884fdf5df34aaedd00fc6ace33a2cfdefa586. The fix will be included in TensorFlow 2.13. We will also cherrypick this commit in TensorFlow 2.12.1. For more information...

PYSEC-2026-1708 OpenStack Cinder, Glance, and Nova vulnerable to arbitrary file access

An issue was discovered in OpenStack Cinder through 24.0.0, Glance before 28.0.2, and Nova before 29.0.3. Arbitrary file access can occur via custom QCOW2 external data. By supplying a crafted QCOW2 image that references a specific data file path, an authenticated user may convince systems to...

PYSEC-2026-1918 setuptools vulnerable to Command Injection via package URL

A vulnerability in the packageindex module of pypa/setuptools versions up to 69.1.1 allows for remote code execution via its download functions. These functions, which are used to download packages from URLs provided by users or retrieved from package index servers, are susceptible to code...

PYSEC-2026-1917 Sentry's Python SDK unintentionally exposes environment variables to subprocesses

Impact The bug in Sentry's Python SDK subprocess.checkoutput"env", env="TEST":"1" b'TEST=1\n' If you'd want to not pass any variables, you can set an empty dict: subprocess.checkoutput"env", env= b'' However, the bug in Sentry SDK 2.8.0 causes all environment variables to be passed to the...

PYSEC-2026-1361 OpaMiddleware does not filter HTTP OPTIONS requests

Summary HTTP OPTIONS requests are always allowed by OpaMiddleware, even when they lack authentication, and are passed through directly to the application. The maintainer uncertain whether this should be classed as a "bug" or "security issue" – but is erring on the side of "security issue" as an...

PYSEC-2026-2065 yt-dlp File system modification and RCE through improper file-extension sanitization

Summary yt-dlp does not limit the extensions of downloaded files, which could lead to arbitrary filenames being created in the download folder and path traversal on Windows. Since yt-dlp also reads config from the working directory and on Windows executables will be executed from the yt-dlp...

PYSEC-2026-1891 Path traversal in saltstack

A specially crafted url can be created which leads to a directory traversal in the salt file server. A malicious user can read an arbitrary file from a Salt master’s filesystem...