PYSEC-2026-3402 verl's math_equal() Vulnerable to Arbitrary Code Execution via Unsafe eval()

A vulnerability was identified in ByteDance verl up to 0.7.1. Affected is the function mathequal of the file primemath/grader.py. The manipulation leads to a sandbox issue. It is possible to initiate the attack remotely. The complexity of an attack is rather high. The exploitability is told to be...

PYSEC-2026-2975 PyBlade: SSTI/RCE via Bypassed AST Validation in sandbox.py

A vulnerability has been found in AntaresMugisho PyBlade 0.1.8-alpha/0.1.9-alpha. The affected element is the function issafeast of the file sandbox.py of the component AST Validation. Such manipulation leads to improper neutralization of special elements used in a template engine. The attack may...

PYSEC-2026-2376 Apache Superset: Read-Only Bypass via Improper Input Validation on PostgreSQL Connections

An Improper Input Validation vulnerability exists in Apache Superset that allows an authenticated user with SQLLab access to bypass the read-only verification check when using a PostgreSQL database connection. While the system effectively blocks standard Data Manipulation Language DML statements...

PYSEC-2026-3413 web2py has an Open Redirect Vulnerability

web2py versions 2.27.1-stable+timestamp.2023.11.16.08.03.57 and prior contain an Open Redirect vulnerability. If this vulnerability is exploited, the user may be redirected to an arbitrary website when accessing a specially crafted URL. As a result, the user may become a victim of a phishing atta...

PYSEC-2026-3286 TensorFlow vulnerable to Out-of-Bounds Read in GRUBlockCellGrad

Impact Out of bounds read in GRUBlockCellGrad python func = tf.rawops.GRUBlockCellGrad para = 'x': 21.1, 156.2, 83.3, 115.4, 'hprev': array136.5, 136.6, 'wru': array26.7, 0.8, 47.9, 26.1, 26.2, 26.3, 'wc': array 0.4, 31.5, 0.6, 'bru': array0.1, 0.2 , dtype=float32, 'bc': 0x41414141, 'r': array0.3...

PYSEC-2026-3140 Tensorflow vulnerable to Out-of-Bounds Read

Impact When the BaseCandidateSamplerOp function receives a value in trueclasses larger than rangemax, a heap oob vuln occurs. python tf.rawops.ThreadUnsafeUnigramCandidateSampler trueclasses=0x100000,1, numtrue = 2, numsampled = 2, unique = False, rangemax = 2, seed = 2, seed2 = 2 Patches We have...

PYSEC-2026-3442

Authenticated SSRF in Gravitino JobManager allows server-side HTTP requests to internal network and cloud metadata endpoints via unvalidated job template URIs. A vulnerability in Apache Gravitino. This issue affects Apache Gravitino: from 1.0.0 through 1.2.1. Users are recommended to upgrade to...

PYSEC-2026-3441

URL path injection via unencoded user-supplied identifiers vulnerability in Apache Gravitino. This issue affects Apache Gravitino: from 1.0.0 before 1.2.1. Users are recommended to upgrade to version 1.2.1, which fixes the issue...

PYSEC-2026-3440 Zope XSS Vulnerability

Cross-site scripting XSS vulnerability in Zope 2.8.x before 2.8.12, 2.9.x before 2.9.12, 2.10.x before 2.10.11, 2.11.x before 2.11.6, and 2.12.x before 2.12.3, 3.1.1 through 3.4.1. allows remote attackers to inject arbitrary web script or HTML via vectors related to the way error messages perform...

PYSEC-2026-3121 Out of bounds read in Tensorflow

Impact The implementation of shape inference for ReverseSequence does not fully validate the value of batchdim and can result in a heap OOB read: python import tensorflow as tf @tf.function def test: y = tf.rawops.ReverseSequence input = 'aaa','bbb', seqlengths = 1,1,1, seqdim = -10, batchdim = -...

PYSEC-2026-1787 picklescan has Arbitrary file read using `io.FileIO`

Summary Unsafe pickle deserialization allows unauthenticated attackers to read arbitrary server files and perform SSRF. By chaining io.FileIO and urllib.request.urlopen, an attacker can bypass RCE-focused blocklists to exfiltrate sensitive data example: /etc/passwd to an external server. Details...

PYSEC-2026-1791 Picklescan vulnerable to Arbitrary File Writing

Summary Picklescan has got open and shutil in its default dangerous blocklist to prevent arbitrary file overwrites. However the module distutils isnt blocked and can be used for the same purpose ie to write arbitrary files. Details This is another vulnerability which impacts the downstream user. ...

PYSEC-2026-1365 FastMCP vulnerable to windows command injection in FastMCP Cursor installer via server_name

Summary A command-injection vulnerability lets any attacker who can influence the servername field of an MCP execute arbitrary OS commands on Windows hosts that run fastmcp install cursor Details 1. generatecursordeeplinkservername, … embeds servername verbatim in a cursor://…?name= query string...

PYSEC-2026-1854 python-socketio vulnerable to arbitrary Python code execution (RCE) through malicious pickle deserialization in certain multi-server deployments

Summary A remote code execution vulnerability in python-socketio versions prior to 5.14.0 allows attackers to execute arbitrary Python code through malicious pickle deserialization in multi-server deployments on which the attacker previously gained access to the message queue that the servers use...

PYSEC-2026-1795 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...

PYSEC-2026-1619 mcp-kubernetes-server has a Command Injection vulnerability

mcp-kubernetes-server does not correctly enforce the --disable-write / --disable-delete protections when commands are chained. The server only inspects the first token to decide whether an operation is write/delete, which allows a read-like command to be followed by a write action using shell...

PYSEC-2026-2057 xml2rfc is vulnerable to arbitrary file reads through prepped files

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

PYSEC-2026-1786 Picklescan has a missing detection when calling built-in python idlelib.calltip.Calltip

Summary Using idlelib.calltip.Calltip.fetchtip, which is a built-in python library function to execute remote pickle file. Details The attack payload executes in the following steps: First, the attacker craft the payload by calling to idlelib.calltip.Calltip.fetchtip function in reduce method The...

PYSEC-2026-1226 Bugsink path traversal via event_id in ingestion

Summary In affected versions, ingestion paths construct file locations directly from untrusted eventid input without validation. A specially crafted eventid can result in paths outside the intended directory, potentially allowing file overwrite or creation in arbitrary locations. Submitting such...

PYSEC-2026-1624 Mesop Class Pollution vulnerability leads to DoS and Jailbreak attacks

From @jackfromeast and @superboy-zjc: We have identified a class pollution vulnerability in Mesop = 0.14.0 application that allows attackers to overwrite global variables and class attributes in certain Mesop modules during runtime. This vulnerability could directly lead to a denial of service Do...

PYSEC-2026-1734 Open WebUI stored cross-site scripting (XSS) vulnerability

A stored cross-site scripting XSS vulnerability exists in open-webui/open-webui version 0.3.8. The vulnerability is present in the /api/v1/models/add endpoint, where the model description field is improperly sanitized before being rendered in chat. This allows an attacker to inject malicious...

PYSEC-2026-1082 Aim vulnerable to Cross-Site Request Forgery

aimhubio/aim version 3.22.0 contains a Cross-Site Request Forgery CSRF vulnerability in the tracking server. The vulnerability is due to overly permissive CORS settings, allowing cross-origin requests from all origins. This enables CSRF attacks on all endpoints of the tracking server, which can b...

PYSEC-2026-1591 LoLLMS Code Injection vulnerability

A remote code execution vulnerability exists in the Calculate function of parisneo/lollms version 9.8. The vulnerability arises from the use of Python's eval function to evaluate mathematical expressions within a Python sandbox that disables builtins and only allows functions from the math module...

PYSEC-2026-1541 LiteLLM Vulnerable to Remote Code Execution (RCE)

BerriAI/litellm version 1.40.12 contains a vulnerability that allows remote code execution. The issue exists in the handling of the 'postcallrules' configuration, where a callback function can be added. The provided value is split at the final '.' mark, with the last part considered the function...

PYSEC-2026-1398 FastChat Uncontrolled Resource Consumption vulnerability

In lm-sys/fastchat Release v0.2.36, the server fails to handle excessive characters appended to the end of multipart boundaries. This flaw can be exploited by sending malformed multipart requests with arbitrary characters at the end of the boundary. Each extra character is processed in an infinit...

PYSEC-2026-1851 Denial of service (DoS) via deformation `multipart/form-data` boundary

Summary When parsing form data, python-multipart skips line breaks CR \r or LF \n in front of the first boundary and any tailing bytes after the last boundary. This happens one byte at a time and emits a log event each time, which may cause excessive logging for certain inputs. An attacker could...

PYSEC-2026-1339 Inclusion of Untrusted polyfill.io Code Vulnerability in fides.js

Note On Thursday, June 27, 2024, Cloudflare and Namecheap intervened at a domain level to ensure polyfill.io and its subdomains could not resolve to the compromised service, rendering this vulnerability unexploitable. The following sections describe this vulnerability prior to the domain level...

PYSEC-2026-1580 LNbits improperly handles potential network and payment failures when using Eclair backend

Summary Paying invoices in Eclair that do not get settled within the internal timeout about 30s lead to a payment being considered failed, even though it may still be in flight. Details Using blocking: true on the API call will lead to a timeout error if a payment does not get settled in the 30s...

PYSEC-2026-1589 path traversal vulnerability was identified in the parisneo/lollms-webui

A path traversal vulnerability was identified in the parisneo/lollms-webui repository, specifically within version 9.6. The vulnerability arises due to improper handling of user-supplied input in the 'listpersonalities' endpoint. By crafting a malicious HTTP request, an attacker can traverse the...

PYSEC-2026-1704 NiceGUI allows potential access to local file system

NiceGUI is an easy-to-use, Python-based UI framework. A local file inclusion is present in the NiceUI leaflet component when requesting resource files under the /nicegui/version/resources/key/path:path route. As a result any file on the backend filesystem which the web server has access to can be...

PYSEC-2026-1299 Django MarkdownX Cross-Site Scripting (XSS) vulnerability

Cross-Site Scripting XSS vulnerability in the Django MarkdownX project, affecting version 4.0.2. An attacker could store a specially crafted JavaScript payload in the upload functionality due to lack of proper sanitisation of JavaScript elements...

PYSEC-2026-1850 python-multipart vulnerable to Content-Type Header ReDoS

Summary When using form data, python-multipart uses a Regular Expression to parse the HTTP Content-Type header, including options. An attacker could send a custom-made Content-Type option that is very difficult for the RegEx to process, consuming CPU resources and stalling indefinitely minutes or...

PYSEC-2026-1166 Apache Superset has incorrect authorization check

An Incorrect authorisation check in SQLLab in Apache Superset versions up to and including 2.1.0. This vulnerability allows an authenticated user to query tables that they do not have proper access to within Superset. The vulnerability can be exploited by leveraging a SQL parsing vulnerability...

PYSEC-2026-1912 Privilege escalation via ApiTokensEndpoint

Impact An attacker with access to a token with few or no scopes can query /api/0/api-tokens/ for a list of all tokens created by a user, including tokens with greater scopes, and use those tokens in other requests. There is no evidence that the issue was exploited on https://sentry.io. For...

PYSEC-2026-775 Apache Superset vulnerable to Cross-Site Request Forgery via legacy REST API endpoints

Two legacy REST API endpoints for approval and request access are vulnerable to cross site request forgery. This issue affects Apache Superset version 1.5.2 and prior versions and version 2.0.0...

PYSEC-2026-996 TensorFlow vulnerable to `CHECK`-fail in `tensorflow::full_type::SubstituteFromAttrs`

Impact When tensorflow::fulltype::SubstituteFromAttrs receives a FullTypeDef& t that is not exactly three args, it triggers a CHECK-fail instead of returning a status. cpp Status SubstituteForEachAttrMap& attrs, FullTypeDef& t DCHECKEQt.argssize, 3; const auto& cont = t.args0; const auto& tmpl =...

PYSEC-2026-2140

Crawl4AI is an open-source LLM-friendly web crawler and scraper. Prior to 0.9.0, the Docker API server applied its SSRF destination check on the non-streaming /crawl path but not on the streaming path. handlestreamcrawlrequest passed seed URLs straight to the crawler with no destination validatio...

PYSEC-2026-2138

Crawl4AI is an open-source LLM-friendly web crawler and scraper. Prior to 0.9.0, when the crawler saves a downloaded file, the destination filename was taken from attacker-influenced input and joined to the downloads directory with no confinement. A filename containing an absolute path or travers...

PYSEC-2026-2150

In Trail of Bits fickling versions up to and including 0.1.11, the UnsafeImportsML analysis pass unconditionally calls AnalysisContext.shortencodenode on every import node it inspects, regardless of whether the import is flagged as unsafe. This call registers the shortened code representation in...

PYSEC-2026-646 OpenStack Ironic Exposure of Sensitive Information to an Unauthorized Actor

The ironic-api service in OpenStack Ironic before 4.2.5 Liberty and 5.x before 5.1.2 Mitaka allows remote attackers to obtain sensitive information about a registered node by leveraging knowledge of the MAC address of a network card belonging to that node and sending a crafted POST request to the...

PYSEC-2026-690 Openstack nova qcow format could expose host filesystem information

Versions of nova before 2012.1 could expose hypervisor host files to a guest operating system when processing a maliciously constructed qcow filesystem...

PYSEC-2026-618 Insertion of Sensitive Information into Log File in ansible

A flaw was found in ansible module where credentials are disclosed in the console log by default and not protected by the security feature when using the bitbucketpipelinevariable module. This flaw allows an attacker to steal bitbucketpipeline credentials. The highest threat from this vulnerabili...

PYSEC-2026-621 calibre-web is vulnerable to Cross-Site Request Forgery (CSRF)

calibre-web is vulnerable to Cross-Site Request Forgery CSRF...

PYSEC-2026-711 Improper Restriction of Operations within the Bounds of a Memory Buffer in OpenCV

OpenCV 3.3.1 corresponding with opencv-python and opencv-contrib-python 3.3.1.11 has a Buffer Overflow in the cv::PxMDecoder::readData function in grfmtpxm.cpp, because an incorrect size value is used...

PYSEC-2026-604 Malicious code in napari-ufish (PyPI)

Part of the "Hades" wave of the Shai-Hulud supply-chain campaign. On 2026-06-08, malicious phantom releases of napari-ufish were published to PyPI using stolen credentials. The package executes a bundled JavaScript payload via the Bun runtime on import that harvests and exfiltrates credentials an...

PYSEC-2026-581 Malicious code in dynamo-release (PyPI)

Part of the "Hades" wave of the Shai-Hulud supply-chain campaign. On 2026-06-08, malicious phantom releases of dynamo-release were published to PyPI using stolen credentials. The package executes a bundled JavaScript payload via the Bun runtime on import that harvests and exfiltrates credentials...

PYSEC-2026-364 Jupyter Enterprise Gateway: Jinja2 Template Server Side Template Injection resulting in Remote Code Execution

Summary The environment variables KERNELXXX used during the rendering of the Kubernetes manifest are vulnerable to Server Side Template Injection SSTI. By including Jinja2 template expressions it is possible to execution Python code and OS Commands in the Enterprise Gateway service. The code can...

PYSEC-2026-319 Crawl4AI: AST Sandbox Escape via gi_frame.f_back Chain - Pre-Auth RCE in Docker API

Summary The safeevalexpression function in the computed fields feature uses an AST validator that only blocks attributes starting with underscore. Python generator and frame object attributes giframe, fback, fbuiltins do NOT start with underscore, enabling a complete sandbox escape to achieve...

PYSEC-2026-291 Backpropagate: backprop ui --auth and backprop ui --share do not enforce authentication

Summary In backpropagate = 1.1.0, the optional Reflex web UI pip install backpropagateui, launched via backprop ui exposes a training control plane: dataset upload, model load, training start/stop, multi-run orchestration, GGUF export, and HuggingFace Hub push. The CLI accepts two operator-facing...

PYSEC-2026-388 LiteLLM: Authentication Bypass via Host Header Injection

Impact A Host-header parsing flaw in the LiteLLM proxy could, under specific conditions, allow unauthenticated access to protected management routes. The auth layer derived the effective route from request.url.path in litellm/proxy/auth/authutils.py::getrequestroute, which Starlette reconstructs...