PYSEC-2025-235

XGrammar is an open-source library for efficient, flexible, and portable structured generation. Prior to 0.1.18, Xgrammar includes a cache for compiled grammars to increase performance with repeated use of the same grammar. This cache is held in memory. Since the cache is unbounded, a system maki...

PYSEC-2025-57

A Denial of Service DoS vulnerability in zenml-io/zenml version 0.66.0 allows unauthenticated attackers to cause excessive resource consumption by sending malformed multipart requests with arbitrary characters appended to the end of multipart boundaries. This flaw in the multipart request boundar...

PYSEC-2024-306

wasm3 139076a contains a Use-After-Free in ForEachModule...

PYSEC-2024-312

Wasmtime is an open source runtime for WebAssembly. Wasmtime's implementation of WebAssembly tail calls combined with stack traces can result in a runtime crash in certain WebAssembly modules. The runtime crash may be undefined behavior if Wasmtime was compiled with Rust 1.80 or prior. The runtim...

PYSEC-2024-194

A clickjacking vulnerability exists in zenml-io/zenml versions up to and including 0.55.5 due to the application's failure to set appropriate X-Frame-Options or Content-Security-Policy HTTP headers. This vulnerability allows an attacker to embed the application UI within an iframe on a malicious...

Thumbor has Regex Denial of Service (ReDoS) in `convolution` filter

SummaryThe regular expression used to parse the convolution filter exhibits exponential-time backtracking for certain inputs, enabling a Regular Expression Denial of Service ReDoS. DetailsThe RegExp for convolution is defined as...

Flyto2 Core: Multiple HTTP-family modules fetch client-controlled URLs without the SSRF guard their siblings apply (SSRF to internal/metadata)

SummaryNumerous HTTP-emitting modules core.api.httpget, core.api.httppost, graphql.query/graphql.mutation, monitor.httpcheck, communication.slacksend, notification.discord,slack,teams.sendmessage, ai.visionanalyze anthropic path, verify.visualdiff, browser.proxyrotate, and the agent/llm inline...

Flyto2 Core: Guarded HTTP modules follow redirects into internal space without per-hop SSRF revalidation

SummaryThe HTTP modules that DO call the SSRF guard http.get, http.request, http.batch validate only the initial URL, then issue the request with aiohttp's default allowredirects=True and perform no per-hop revalidation. An attacker hosts a public URL that 302-redirects to an internal address; th...

proot-distro has a Container Isolation Bypass via Crafted Restore Archive

Affected Component- Package: proot-distro- Affected command: restore- Attack surface: Host-side Termux CLI processing a user-supplied backup archive- Vulnerability type: Container Isolation Bypass / Cross-Container Read and Write--- Affected Versions| Component | Version ||---|---|| proot-distro ...

`datamodel-code-generator` vulnerable to code injection in via attacker-controlled `default_factory` schema field

Summarydatamodel-code-generator is vulnerable to code injection when generating Python models from an attacker-controlled JSON Schema, OpenAPI, YAML, JSON, Avro, Protobuf, or XSD schema. When a property carries a "defaultfactory" key, its value is interpolated verbatim — as a raw Python expressio...

Open WebUI: Realtime endpoints accept Redis-revoked JWTs after signout/backchannel logout

SummaryWith Redis configured, Open WebUI supports JWT revocation: POST /api/v1/auths/signout per-token jti and OIDC back-channel logout per-user revokedat record revocations in Redis, and HTTP auth getcurrentuser rejects revoked tokens with 401. The realtime authentication surfaces do not perform...

Open WebUI: Cross-user code-interpreter and tool execution via unvalidated Socket.IO event-caller session_id

SummaryAn authenticated low-privilege user can execute arbitrary code-interpreter Python and tools inside another user's authenticated session. The Socket.IO event-caller geteventcall delivers execute:python / execute:tool events to a client-supplied sessionid after only checking that the session...

Open WebUI: Unauthenticated WebSocket Access to Collaborative Document Handlers (ydoc:awareness:update, ydoc:document:leave)

SummaryThe Socket.IO server is configured with alwaysconnect=True lines 78, 91 in backend/openwebui/socket/main.py and the connect handler line 329 never rejects unauthenticated connections. Two Ydoc event handlers have zero authentication checks, allowing unauthenticated clients to interact with...

Kiwi TCMS vulnerable to stored XSS via JavaScript: URI in extra_link field (TestPlan & TestCase)

SummaryIn Kiwi TCMS the fields TestCase.extralink and TestPlan.extralink were meant to represent URLs to external resources however in versions prior to 16.1 user input was not being sanitized and values were rendered verbatim which represents an opportunity for cross-site scripting exploitation...

Recce server has unauthenticated SQL execution that allows local file read/write through DuckDB

ImpactRecce OSS server deployments that expose the server to an untrusted network without authentication are vulnerable to unauthenticated SQL execution through the query run API.When Recce is configured with a DuckDB-backed project, an attacker can use DuckDB filesystem primitives to read and...

mcp-memory-service: Missing Authentication on Document API Endpoints Allows Unauthenticated Memory Read/Write/Delete

Missing Authentication on Document API Endpoints Allows Unauthenticated Memory Read/Write/Delete SummaryAll HTTP routes under /api/documents/ in mcp-memory-service are served without any authentication dependency, even when the server is configured with an API key MCPAPIKEY or OAuth. An...

Open Babel has out-of-bounds read in PQS lowerit (pre-buffer read)

SummaryA memory-safety vulnerability in Open Babel's PQS parser caused anout-of-bounds pre-buffer read when reading a crafted input file. DetailsThe flaw was in the lowerit helper used by the PQS parser. Amalformed input caused the helper to read one or more bytes beforethe start of its input...

Open WebUI BOLA: `search_knowledge_files` Allows Unauthorized Knowledge Base File Enumeration

SummaryOpen WebUI has a Broken Object Level Authorization BOLA vulnerability in the builtin searchknowledgefiles tool.When native function calling is enabled and the selected model has no attached knowledge bases, an authenticated user can call searchknowledgefiles with an arbitrary knowledgeid...

Vantage6: 2FA can be circumvented with hacked email access

ImpactIf an attacker hacks into a vantage6 user's email account, they can 1 reset the password via email and then 2 reset the 2FA token via email. This way they reduce 2FA to 1FA email access. Note that most email providers require 2FA to access email, so this issue is not very likely to cause...

hermes-agent has a sandbox issue

A vulnerability was identified in NousResearch hermes-agent up to 2026.4.16. This impacts the function executecode of the file tools/codeexecutiontool.py of the component Environment Variable Handler. Such manipulation leads to sandbox issue. It is possible to launch the attack remotely. The...

Amazon SageMaker Python SDK is missing integrity verification in its Triton inference handler

SummaryAmazon SageMaker Python SDK is an open-source library for training and deploying machine learning models on Amazon SageMaker. An issue exists where, under certain circumstances, the Triton inference handler deserializes model artifacts without performing integrity verification, allowing...

dbt MCP Server Logs Tool Arguments Including SQL Queries and Credentials in Plaintext Without Redaction When File Logging Is Enabled

Discovered through manual source code review. Verified by PoC execution against a local dbt-mcp v1.15.1 installation. SummaryDbtMCP.calltool in src/dbtmcp/mcp/server.py logs the complete raw arguments dictionary at INFO level on every tool invocation line 67 and again at ERROR level if the call...

Mistune has a ReDoS in LINK_TITLE_RE that allows denial of service via crafted Markdown input

SummaryA ReDoS Regular Expression Denial of Service vulnerability in LINKTITLERE allows an attacker who can supply Markdown for parsing to cause denial of service. A crafted 58-byte Markdown document blocks the parser for approximately 6 seconds measured on Apple M2, Python 3.14.3, with exponenti...

CKAN has CSRF exemption primed by anonymous requests

Views can be marked as exempt from CSRF protection Access to the views via tokens or unauthenticated requests marked the endpoint as not requiring CSRF protection. The marking was a member variable in flask-wtf.csrf.CSRFProtect, which was stored as a module level variable in the flaskapp...

OpenEXR has buffer overflow in PyOpenEXR_old's channels() and channel()

SummaryA memory safety bug in the legacy OpenEXR Python adapter the deprecated OpenEXR.InputFile wrapper allow crashes and likely code execution when opening attacker-controlled EXR files or when passing crafted Python objects.Integer overflow and unchecked allocation in InputFile.channel and...

dbt-common's commonprefix() doesn't protect against path traversal

ImpactWhat kind of vulnerability is it? Who is impacted?A path traversal vulnerability exists in dbt-common's safeextract function used when extracting tarball archives. The function uses os.path.commonprefix to validate that extracted files remain within the intended destination directory...

Picklescan (scan_pytorch) Bypass via dynamic eval MAGIC_NUMBER

SummaryThis is a scanning bypass to scanpytorch function in picklescan. As we can see in the implementation of getmagicnumber that uses pickletools.genopsdata to get the magicnumber with the condition opcode.name includes INT or LONG, but the PyTorch's implemtation simply uses picklemodule.load t...

PyTorch Vulnerable to Remote Code Execution via Untrusted Checkpoint Files

SummaryA vulnerability in PyTorch's weightsonly unpickler allows an attacker to craft a malicious checkpoint file .pth that, when loaded with torch.load..., weightsonly=True, can corrupt memory and potentially lead to arbitrary code execution. Vulnerability DetailsThe weightsonly=True unpickler...

pypdf has possible long runtimes for missing /Root object with large /Size values

ImpactAn attacker who exploits this vulnerability can craft a PDF which leads to possibly long runtimes for actually invalid files. This can be achieved by omitting the /Root entry in the trailer, while using a rather large /Size value. Only the non-strict reading mode is affected. PatchesThis ha...

Local Deep Research is Vulnerable to Server-Side Request Forgery (SSRF) in Download Service

SummaryThe download service downloadservice.py makes HTTP requests using raw requests.get without utilizing the application's SSRF protection saferequests.py. This can allow attackers to access internal services and attempt to reach cloud provider metadata endpoints AWS/GCP/Azure, as well as...

pretix has Broken Access Control Allowing Cross-User File Access via UUID

Multiple API endpoints allowed access to sensitive files from other users by knowing the UUID of the file that were not intended to be accessible by UUID only...

clearml is vulnerable to Path Traversal through its `safe_extract` function

A vulnerability in clearml versions before 2.0.2 allows for path traversal due to improper handling of symbolic and hard links in the safeextract function. This flaw can lead to arbitrary file writes outside the intended directory, potentially resulting in remote code execution if critical files...

Picklescan has a missing detection when calling built-in python idlelib.debugobj.ObjectTreeItem

SummaryUsing idlelib.debugobj.ObjectTreeItem.SetText, 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 idlelib.debugobj.ObjectTreeItem.SetText function in reduce...

ChangeDetection.io XSS in watch overview

ImpactXSS - Errors in filters from website page change detection watches were not being filtered. Patches0.50.4...

unstructured XML External Entity (XXE)

unstructured v.0.14.2 and before is vulnerable to XML External Entity XXE via the XMLParser...

Apache Superset vulnerable to improper SQL authorization

An SQL Injection vulnerability in Apache Superset exists due to improper neutralization of special elements used in SQL commands. Specifically, certain engine-specific functions are not checked, which allows attackers to bypass Apache Superset's SQL authorization. To mitigate this, a new...

Cross-site Scripting in djangorestframework

Versions of the package djangorestframework before 3.15.2 are vulnerable to Cross-site Scripting XSS via the breaklongheaders template filter due to improper input sanitization before splitting and joining with tags...

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...

Sentry vulnerable to leaking superuser cleartext password in logs

ImpactWhen authenticating as a superuser to a self-hosted Sentry instance with a username and password, the password is leaked as cleartext in logs under the event: auth-index.validatesuperuser. An attacker with access to the log data could use these leaked credentials to login to the Sentry syst...

Apache Airflow Celery provider Insertion of Sensitive Information into Log File vulnerability

Insertion of Sensitive Information into Log File vulnerability in Apache Airflow Celery provider, Apache Airflow.Sensitive information logged as clear text when rediss, amqp, rpc protocols are used as Celery result backendNote: thevulnerability is about the information exposed in the logs not abo...

PYSEC-2026-2253

Pillow is a Python imaging library. Prior to 12.3.0, PIL/PcfFontFile.py loadbitmaps read glyph dimensions from the PCF METRICS section and passed them directly to Image.frombytes without calling Image.decompressionbombcheck, allowing crafted PCF font data to cause excessive memory allocation. Thi...

Cobbler subject to Command Injection

A Command Injection in actionpower.py in Cobbler prior to v2.6.0 allows remote attackers to execute arbitrary commands via shell metacharacters in the 1 username or 2 password fields to the powersystem method in the xmlrpc API...

PYSEC-2026-191

Synapse is an open source Matrix homeserver implementation. Prior to 1.152.1, local authenticated users can cause Synapse to starve other requests of CPU and lead to other requests failing, causing other users to be denied service. This vulnerability is fixed in 1.152.1...

PYSEC-2026-94

MLflow is vulnerable to an authorization bypass affecting the AJAX endpoint used to download saved model artifacts. Due to missing access‑control validation, a user without permissions to a given experiment can directly query this endpoint and retrieve model artifacts they are not authorized to...

PYSEC-2024-153

Streamlit is a data oriented application development framework for python. Snowflake Streamlit open source addressed a security vulnerability via the static file sharing feature. Users of hosted Streamlit apps on Windows were vulnerable to a path traversal vulnerability when the static file shari...

python-cryptography verifier accepts wildcard DNS names allowing escape from permittedSubtrees

SummaryIf an intermediate constrained CA permits the DNS name foo.example.com, and the leaf certificate has a wildcard in its DNS SAN of .example.com, python-cryptography's verifier accepts which allows escaping outside of the permitted names. PoC!/usr/bin/env python3"""Standalone PoC: pyca's...

AIOHTTP: Out-of-bounds heap read in C HTTP response parser error path (malformed chunked response)

SummaryAn out-of-bounds heap read could occur in the C response parser while building an error message for a malformed response. ImpactAn attacker controlled server, or possibly an accidental response could trigger a DoS in the client. WorkaroundIf unable to upgrade, the Python parser is unaffect...

Thumbor has path traversal via post-validation URL decoding bypass in file_loader

The fileloader performs unquote on the file path AFTER the abspath + startswith security check. An attacker can use percent-encoded path traversal sequences %2e%2e for .. that pass the security check as literal directory names, but are then decoded to actual .. traversal sequences. Affected...

Thumbor has HMAC validation bypass via multiple .replace() calls when removing URL signature

HMAC validation bypass via multiple .replace calls when removing URL signature SummaryThumbor’s HMAC validation can be bypassed due to the use of Python’s .replace when removing the signature from the URL before validation. Since .replace removes all occurrences of the substring, an attacker can...

OnionShare Receive mode writes uploaded files even when file uploads are disabled

SummaryOnionShare CLI/Desktop 2.6.3 does not enforce the Receive mode disablefiles setting at the file upload sink. When a Receive service is configured as a text-message-only endpoint --disable-files / "Disable uploading files", a remote sender who can reach the OnionShare service can still send...