PYSEC-2026-2391 BBOT: Server-Side Request Forgery (SSRF) in docker_pull module via WWW-Authenticate realm parsing

The dockerpull module uses the realm parameter from a Docker registry's WWW-Authenticate response header as the authentication endpoint without validation. An attacker in a man-in-the-middle position between bbot and a Docker registry could modify this header to redirect the authentication reques...

PYSEC-2026-2763 Open WebUI: Forged chat-file link allows cross-user file read and deletion

Summary Open WebUI v0.9.5 lets an authenticated user attach arbitrary fileid values to their own chat message without checking whether they own or can read those files. If the attacker then shares that chat and grants themselves read access, hasaccesstofile treats the victim file as accessible...

PYSEC-2026-2403 Bugsink: DOS using large numbers of event tags

Summary In affected versions, Bugsink stores every tag supplied with an incoming event. An event with an unusually large number of custom i.e. supplied by an attacker tags can therefore make ingestion spend more time than intended writing tag rows. Bugsink uses a single-writer database...

PYSEC-2026-3064 SGLang: Reachable Assertion via  lora_path  in LoRAManager enables remote Denial of Dervice

A security vulnerability has been detected in SGLang 0.5.10.post1. Impacted is an unknown function of the file python/sglang/srt/lora/loramanager.py of the component Inference HTTP Endpoint. Such manipulation of the argument lorapath leads to reachable assertion. The attack can be launched...

PYSEC-2026-2509 hermes-agent has an Injection issue

A security vulnerability has been detected in NousResearch hermes-agent up to 2026.4.23. Impacted is an unknown function of the file agent/skillsguard.py of the component Skills Guard Multi-Word Prompt Handler. The manipulation of the argument THREATPATTERNS leads to injection. Remote exploitatio...

PYSEC-2026-2663 ModelScope is vulnerable to arbitrary code injection via a crafted module

An issue was discovered in ModelScope 1.25.0 allowing attackers to execute arbitrary code via crafted module listed in the configuration file deymini.yaml under the key 'nnet''module'...

PYSEC-2026-2380 AstrBot: File upload vulnerability in the function post_file of the file astrbot/dashboard/routes/chat.py

A vulnerability was detected in AstrBotDevs AstrBot up to 4.23.5. Impacted is the function postfile of the file astrbot/dashboard/routes/chat.py of the component File Upload Handler. The manipulation of the argument filename results in path traversal. It is possible to launch the attack remotely...

PYSEC-2026-2470 ethyca-fides has a DOM-based XSS vulnerability in fides.js via fides_description override

Summary fides.js is the script that renders Fides's consent banner on customer websites. It lets the embedding page override the banner's description text at runtime via a URL query parameter, a JavaScript global, or a cookie. On sites that have opted into HTML-formatted descriptions, the...

PYSEC-2026-2610 local-deep-research is Vulnerable to HTML Injection via Unescaped User Input in PDF Export (`pdf_service.py:_markdown_to_html`)

Summary PDFService.markdowntohtml constructs an HTML document by interpolating user-controlled values — specifically title sourced from research.title or research.query and metadata key-value pairs — directly into an f-string without any HTML escaping. An authenticated attacker can craft a resear...

PYSEC-2026-2506 GuardDog: Unsanitized human-readable scan output allows terminal escape injection from malicious package content

Summary GuardDog includes attacker-controlled filenames, file locations, messages, and code snippets in its default human-readable output without escaping terminal control characters. A malicious package can therefore inject ANSI or OSC escape sequences into analyst terminals or CI logs...

PYSEC-2026-2455 Docling's JATS XML backend is vulnerable to XML Entity Expansion (XXE) attacks

Docling's JATS XML backend is vulnerable to XML Entity Expansion XXE attacks thru 2.61.0. The backend uses etree.parse to parse XML files without disabling entity resolution. An attacker can craft a malicious XML file containing a nested entity expansion payload XML Bomb. When processed by Doclin...

PYSEC-2026-2754 Open WebUI's Ollama Model Access Control Bypass via /api/generate, /api/embed, /api/embeddings, and /api/show

Ollama Model Access Control Bypass via /api/generate, /api/embed, /api/embeddings, and /api/show Affected Component Ollama proxy endpoints missing model access control: - backend/openwebui/routers/ollama.py lines 955-995, generatecompletion - backend/openwebui/routers/ollama.py lines 835-881, emb...

PYSEC-2026-3050 requests-hardened is Vulnerable to Server-Side Request Forgery

The SSRF protection in requests-hardened prior to version 1.2.1 fails to block IP addresses within the RFC 6598 Shared Address Space 100.64.0.0/10. An attacker who can supply arbitrary URLs to requests-hardened could exploit this gap to access internal services hosted within 100.64.0.0/10. This i...

PYSEC-2026-2958 Prefect Unauthenticated Event Injection via /api/events/in WebSocket

A flaw has been found in PrefectHQ prefect up to 3.6.13. Affected is an unknown function of the file /api/events/in of the component WebSocket Endpoint. Executing a manipulation can lead to missing authentication. The attack may be performed from remote. The exploit has been published and may be...

PYSEC-2026-2518 Home Assistant Command-line Interface: Handling of user-supplied Jinja2 templates

Impact Up to 1.0.0 of home-assitant-cli or hass-cli for short an unrestricted environment was used to handle Jninja2 templates instead of a sandboxed one. The user-supplied input within Jinja2 templates was rendered locally with no restrictions. This gave users access to Python's internals and...

PYSEC-2026-2460 D-Tale: Remote Code Execution through redis/shelf storage

Impact Users hosting D-Tale publicly while using a redis or shelf storage layer could be vulnerable to remote code execution allowing attackers to run malicious code on the server. Patches Users should upgrade to version 3.22.0. Workarounds There are no workarounds for versions 3.22.0...

PYSEC-2026-3410 vLLM: Server-Side Request Forgery (SSRF) in `download_bytes_from_url `

Summary A Server Side Request Forgery SSRF vulnerability in downloadbytesfromurl allows any actor who can control batch input JSON to make the vLLM batch runner issue arbitrary HTTP/HTTPS requests from the server, without any URL validation or domain restrictions. This can be used to target...

PYSEC-2026-2764 Open WebUI vulnerable to Path Traversal in `POST /api/v1/audio/transcriptions`

Summary An unsanitised filename field in the speech-to-text transcription endpoint allows any authenticated non-admin user to trigger a FileNotFoundError whose message — including the server's absolute DATADIR path — is returned verbatim in the HTTP 400 response body, confirming information...

PYSEC-2026-2447 DiskCache has unsafe pickle deserialization

DiskCache python-diskcache through 5.6.3 uses Python pickle for serialization by default. An attacker with write access to the cache directory can achieve arbitrary code execution when a victim application reads from the cache...

PYSEC-2026-1075 Malicious code in tiktoken-mcp (PyPI)

Part of the "Hades" wave of the Shai-Hulud supply-chain campaign. On 2026-06-08, malicious phantom releases of tiktoken-mcp 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-2026-1070 Malicious code in langchain-core-mcp (PyPI)

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

PYSEC-2026-1950 Tendenci Affected by Authenticated Remote Code Execution via Pickle Deserialization

A critical deserialization vulnerability exists in Tendenci Helpdesk module NOTE, by default, Helpdesk is NOT enabled, affecting the version 15.3.11 and earlier. This vulnerability allows remote code execution RCE by an authenticated user with staff security level due to using Python's pickle...

PYSEC-2026-1947 Swing Music has a Directory Traversal & Filesystem can be accessed by a non-admin user

Summary Swing Music's listfolders function in the /folder/dir-browser endpoint is vulnerable to directory traversal attacks. Any authenticated user including non-admin can browse arbitrary directories on the server filesystem. Details The @api.post"/dir-browser" endpoint lacks proper path...

PYSEC-2026-1790 Picklescan Bypasses Unsafe Globals Check using pty.spawn

Summary The vulnerability allows malicious actors to bypass PickleScan's unsafe globals check, leading to potential arbitrary code execution. The issue stems from the absence of the pty library more specifically, of the pty.spawn function from PickleScan's list of unsafe globals. This vulnerabili...

PYSEC-2026-1368 Fickling has missing detection for marshal.loads and types.FunctionType in unsafe modules list

Fickling Assessment Based on the test case provided in the original report below, this bypass was caused by marshal and types missing from the block list of unsafe module imports, Fickling started blocking both modules to address this issue. This was fixed in...

PYSEC-2026-1841 Pyrofork has a Path Traversal in download_media Method

Summary The downloadmedia method in Pyrofork does not sanitize filenames received from Telegram messages before using them in file path construction. This allows a remote attacker to write files to arbitrary locations on the filesystem by sending a specially crafted document with path traversal...

PYSEC-2026-2042 Weblate has improper validation upon invitation acceptance

Impact It was possible to accept an invitation opened by a different Weblate user. Patches https://github.com/WeblateOrg/weblate/pull/16913 Workarounds Users should avoid leaving Weblate sessions with an unattended opened invitation. References Thanks to Nahid0x for responsibly disclosing this...

PYSEC-2026-1316 Dosage vulnerable to a Directory Traversal through crafted HTTP responses

Impact When downloadinging comic images, Dosage constructs target file names from different aspects of the remote comic page URL, image URL, page content, etc.. While the basename is properly stripped of directory-traversing characters, the file extension is taken from the HTTP Content-Type heade...

PYSEC-2026-1640 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...

PYSEC-2026-1216 BBOT's git_clone.py can expose users' GitHub API keys to an attacker-controlled webserver

Summary Due to unsafe URL handling, bbot's gitclone.py can be made to leak a user's github.com API key to an attacker-controlled webserver. Impact A user who has placed their github.com API key in the configuration for any of the following modules: githubcodesearch githubworkflows gitlab gitclone...

PYSEC-2026-1868 reflex-dev/reflex has an Open Redirect vulnerability

Mitigation Make sure GITHUBCODESPACESPORTFORWARDINGDOMAIN is not set in a production environment. So the following is correct: assert os.getenv"GITHUBCODESPACESPORTFORWARDINGDOMAIN" is None Vulnerability Description --- Vulnerability Overview - When the GET /auth-codespace page loads in a GitHub...

PYSEC-2026-2013 vLLM: Resource-Exhaustion (DoS) through Malicious Jinja Template in OpenAI-Compatible Server

Summary A resource-exhaustion denial-of-service vulnerability exists in multiple endpoints of the OpenAI-Compatible Server due to the ability to specify Jinja templates via the chattemplate and chattemplatekwargs parameters. If an attacker can supply these parameters to the API, they can cause a...

PYSEC-2026-1515 Langchain Community Vulnerable to XML External Entity (XXE) Attacks

The langchain-ai/langchain project, specifically the EverNoteLoader component, is vulnerable to XML External Entity XXE attacks due to insecure XML parsing. The vulnerability arises from the use of etree.iterparse without disabling external entity references, which can lead to sensitive informati...

PYSEC-2026-1277 copyparty has DOM-Based XSS vulnerability when displaying multimedia metadata

Summary An 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. Details Multimedia metadata is rendered in the web-app without sanitization. This can be exploited in two way...

PYSEC-2026-1235 Calibre Web and Autocaliweb have OS Command Injection vulnerability

Improper Neutralization of Special Elements used in an OS Command 'OS Command Injection' vulnerability in Calibre Web, Autocaliweb allows Blind OS Command Injection. This issue affects Calibre Web: 0.6.24 Nicolette; Autocaliweb: from 0.7.0 before 0.7.1...

PYSEC-2026-1616 MCP Python SDK vulnerability in the FastMCP Server causes validation error, leading to DoS

A validation error in the MCP SDK can cause an unhandled exception when processing malformed requests, resulting in service unavailability 500 errors until manually restarted. Impact may vary depending on the deployment conditions, and presence of infrastructure-level resilience measures. Thank y...

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-2026-1552 Litestar and Starlite vulnerable to Path Traversal

Summary Local File Inclusion via Path Traversal in LiteStar Static File Serving A Local File Inclusion LFI vulnerability has been discovered in the static file serving component of LiteStar. This vulnerability allows attackers to exploit path traversal flaws, enabling unauthorized access to...

PYSEC-2026-1736 Open WebUI Vulnerable to Cross-Site Scripting (XSS) via Chat File Upload

A Stored Cross-Site Scripting XSS vulnerability exists in the chat file upload functionality of open-webui/open-webui version 0.3.8. An attacker can inject malicious content into a file, which, when accessed by a victim through a URL or shared chat, executes JavaScript in the victim's browser. Th...

PYSEC-2026-1095 Aim vulnerable to Synchronous Access of Remote Resource without Timeout

A vulnerability in aimhubio/aim version 3.25.0 allows for a denial of service through the misuse of the sshfs-client. The tracking server, which is single-threaded, can be made unresponsive by requesting it to connect to an unresponsive socket via sshfs. The lack of an additional timeout setting ...

PYSEC-2026-1259 CodeChecker open redirect when URL contains multiple slashes after the product name

Summary --- CodeChecker versions up to 6.24.5 contain an open redirect vulnerability due to missing protections against multiple slashes after the product name in the URL's path segment. This results in bypassing protections against CVE-2021-28861, leading to the same open redirect pathway. Detai...

PYSEC-2026-1232 Generation of Error Message Containing Sensitive Information in janeczku/calibre-web

A vulnerability in janeczku/calibre-web allows unauthorized users to view the names of private shelves belonging to other users. This issue occurs in the file shelf.py at line 221, where the name of the shelf is exposed in an error message when a user attempts to remove a book from a shelf they d...

PYSEC-2026-1943 Starlette Denial of service (DoS) via multipart/form-data

Summary Starlette treats multipart/form-data parts without a filename as text form fields and buffers those in byte strings with no size limit. This allows an attacker to upload arbitrary large form fields and cause Starlette to both slow down significantly due to excessive memory allocations and...

PYSEC-2026-2025 vLLM Denial of Service via the best_of parameter

A vulnerability was found in the ilab model serve component, where improper handling of the bestof parameter in the vllm JSON web API can lead to a Denial of Service DoS. The API used for LLM-based sentence or chat completion accepts a bestof parameter to return the best completion from several...

PYSEC-2026-1910 Sentry improperly authorizes deletion of user issue alert notifications

Impact An authenticated user may delete user issue alert notifications for arbitrary users given a known alert ID. Patches A patch was issued to ensure authorization checks are properly scoped on requests to delete user alert notifications. Sentry SaaS users do not need to take any action...

PYSEC-2026-1547 LiteLLM Server-Side Request Forgery (SSRF) vulnerability

A Server-Side Request Forgery SSRF vulnerability exists in berriai/litellm version 1.38.10. This vulnerability allows users to specify the apibase parameter when making requests to POST /chat/completions, causing the application to send the request to the domain specified by apibase. This request...

PYSEC-2026-1230 Calibre-Web Cross Site Scripting (XSS)

In janeczku Calibre-Web 0.6.0 to 0.6.21, the editbookcomments function is vulnerable to Cross Site Scripting XSS due to improper sanitization performed by the cleanstring function. The vulnerability arises from the way the cleanstring function handles HTML sanitization...

PYSEC-2026-1584 Remote Code Execution in create_conda_env function in lollms

A remote code execution vulnerability exists in the createcondaenv function of the parisneo/lollms repository. The vulnerability arises from the use of shell=True in the subprocess.Popen function, which allows an attacker to inject arbitrary commands by manipulating the envname and pythonversion...

PYSEC-2026-1446 Arbitrary system path lookup in h20

In h2oai/h2o-3 version 3.40.0.4, an exposure of sensitive information vulnerability exists due to an arbitrary system path lookup feature. This vulnerability allows any remote user to view full paths in the entire file system where h2o-3 is hosted. Specifically, the issue resides in the Typeahead...

PYSEC-2026-1479 jupyter-scheduler's endpoint is missing authentication

Impact jupyterscheduler is missing an authentication check in Jupyter Server on an API endpoint GET /scheduler/runtimeenvironments which lists the names of the Conda environments on the server. In affected versions, jupyterscheduler allows an unauthenticated user to obtain the list of Conda...