PYSEC-2026-1672 MobSF Path Traversal in GET /download/<filename> using absolute filenames

Summary The GET /download/ route uses string path verification via os.path.commonprefix, which allows an authenticated user to download files outside the DWDDIR download directory from "neighboring" directories whose absolute paths begin with the same prefix as DWDDIR e.g., .../downloadsbak,...

PYSEC-2026-1341 Fides Webserver API Rate Limiting Vulnerability in Proxied Environments

Summary The Fides Webserver API's built-in IP-based rate limiting is ineffective in environments with CDNs, proxies or load balancers. The system incorrectly applies rate limits based on directly connected infrastructure IPs rather than client IPs, and stores counters in-memory rather than in a...

PYSEC-2026-2036 Weblate has a long session expiry when verifying second factor

Impact The verification of the second factor had too long a session expiry. The long session expiry could be used to circumvent rate limiting of the second factor. Patches This issue has been addressed in Weblate 5.13.1 via https://github.com/WeblateOrg/weblate/pull/16002. References Thanks to...

PYSEC-2026-1330 ESP-IDF web_server basic auth bypass using empty or incomplete Authorization header

Summary On the ESP-IDF platform, ESPHome's webserver authentication check can pass incorrectly when the client-supplied base64-encoded Authorization value is empty or is a substring of the correct value e.g., correct username with partial password. This allows access to webserver functionality...

PYSEC-2026-1350 Eventlet affected by HTTP request smuggling in unparsed trailers

Impact The Eventlet WSGI parser is vulnerable to HTTP Request Smuggling due to improper handling of HTTP trailer sections. This vulnerability could enable attackers to: - Bypass front-end security controls - Launch targeted attacks against active site users - Poison web caches Patches Problem has...

PYSEC-2026-1830 PyPDF's Manipulated FlateDecode streams can exhaust RAM

Impact An attacker who uses this vulnerability can craft a PDF which leads to the RAM being exhausted. This requires just reading the file if a series of FlateDecode filters is used on a malicious cross-reference stream. Other content streams are affected on explicit access. Patches This has been...

PYSEC-2026-1186 Apache Superset allows authenticated users to discover metadata about datasources they don't have permission to access

Apache Superset contains an improper access control vulnerability in its /explore endpoint. A missing authorization check allows an authenticated user to discover metadata about datasources they do not have permission to access. By iterating through the datasourceid in the URL, an attacker can...

PYSEC-2026-1435 h2 allows HTTP Request Smuggling due to illegal characters in headers

Summary HTTP/2 request splitting vulnerability allows attackers to perform request smuggling attacks by injecting CRLF characters into headers. This occurs when servers downgrade HTTP/2 requests to HTTP/1.1 without properly validating header names/values, enabling attackers to manipulate request...

PYSEC-2026-2001 uv allows ZIP payload obfuscation through parsing differentials

Impact In versions 0.8.5 and earlier of uv, remote ZIP archives were handled in a streamwise fashion, and file entries were not reconciled against the archive's central directory. This enabled two parser differentials against other Python package installers: 1. An attacker could contrive a ZIP...

PYSEC-2026-1925 SKOPS Card.get_model happily allows arbitrary code execution

Summary The Card class of skops, used for model documentation and sharing, allows arbitrary code execution. When a file other than .zip is provided to the Card class during instantiation, the internally invoked Card.getmodel method silently falls back to joblib without warning. Unlike the .skops...

PYSEC-2026-1683 MS SWIFT Remote Code Execution via unsafe PyYAML deserialization

Description A Remote Code Execution RCE vulnerability exists in the modelscope/ms-swift project due to unsafe use of yaml.load in combination with vulnerable versions of the PyYAML library ≤ 5.3.1. The issue resides in the tests/run.py script, where a user-supplied YAML configuration file is...

PYSEC-2026-1194 Assemblyline 4 service client vulnerable to Arbitrary Write through path traversal in Client code

Path-Traversal - Arbitrary File Write in Assemblyline Service Client IMPORTANT: This vulnerability is valid if you decide to use the assemblyline-service-client outside of the normal practice to using Assemblyline in a production environment. In practice, this code should always be executed withi...

PYSEC-2026-1941 Starlette has possible denial-of-service vector when parsing large files in multipart forms

Summary When parsing a multi-part form with large files greater than the default max spool size starlette will block the main thread to roll the file over to disk. This blocks the event thread which means we can't accept new connections. Details Please see this discussion for details:...

PYSEC-2026-1822 pyLoad is vulnerable to attacks that bypass localhost restrictions, enabling the creation of arbitrary packages

Summary Any unauthenticated attacker can bypass the localhost restrictions posed by the application and utilize this to create arbitrary packages. Details Any unauthenticated attacker can bypass the localhost restrictions posed by the application and utilize this to create arbitrary packages. Thi...

PYSEC-2026-1352 ExecuTorch vulnerable to Heap-based Buffer Overflow attack

A heap-buffer-overflow vulnerability in the loading of ExecuTorch methods can cause the runtime to crash and potentially result in code execution or other undesirable effects. This issue affects ExecuTorch prior to commit 93b1a0c15f7eda49b2bc46b5b4c49557b4e9810f...

PYSEC-2026-1536 py-libp2p is vulnerable to DoS attacks through use of large RSA keys

py-libp2p before 0.2.3 allows a peer to cause a denial of service resource consumption via a large RSA key...

PYSEC-2026-1462 Indico vulnerability allows attackers to bulk dump user details

Impact An endpoint used to display details of users listed in certain fields such as ACLs could be misused to dump basic user details such as name, affiliation and email in bulk. !TIP If your instance allows everyone to create a user account, and you wish to truly restrict access to these user...

PYSEC-2026-1987 Transformers's ReDoS vulnerability in get_configuration_file can lead to catastrophic backtracking

A Regular Expression Denial of Service ReDoS vulnerability was discovered in the Hugging Face Transformers library, specifically in the getconfigurationfile function within the transformers.configurationutils module. The affected version is 4.49.0, and the issue is resolved in version 4.51.0. The...

PYSEC-2026-2039 Weblate lacks rate limiting when verifying second factor

Impact The verification of the second factor was not subject to rate limiting. The absence of rate limiting on the second factor endpoint allows an attacker with valid credentials to automate OTP guessing. Patches This issue has been addressed in Weblate 5.12 via...

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-2026-1715 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-2026-1164 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-2026-2017 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-2026-1574 LLaMA-Factory Allows Arbitrary Code Execution via Unsafe Deserialization in Ilamafy_baichuan2.py

Description A critical vulnerability exists in the llamafybaichuan2.py script of the LLaMA-Factory project. The script performs insecure deserialization using torch.load on user-supplied .bin files from an input directory. An attacker can exploit this behavior by crafting a malicious .bin file th...

PYSEC-2026-1577 LMDeploy Improper Input Validation Vulnerability

A vulnerability was found in InternLM LMDeploy up to 0.7.1. It has been classified as critical. Affected is the function loadweightckpt of the file lmdeploy/lmdeploy/vl/model/utils.py of the component PT File Handler. The manipulation leads to deserialization. Attacking locally is a requirement...

PYSEC-2026-1207 AWS SAM CLI Path Traversal allows file copy to build container

Summary The AWS Serverless Application Model Command Line Interface AWS SAM CLI is an open-source CLI tool that helps Lambda developers to build and develop Lambda applications locally on their computers using Docker. When running the AWS SAM CLI build process with Docker and symlinks are include...

PYSEC-2026-1579 InternLM LMDeploy code injection vulnerability

A vulnerability was found in InternLM LMDeploy up to 0.7.1. It has been declared as critical. Affected by this vulnerability is the function Open of the file lmdeploy/docs/en/conf.py. The manipulation leads to code injection. It is possible to launch the attack on the local host. The exploit has...

PYSEC-2026-1390 Frappe has possibility of SQL injection due to improper validations

Impact An SQL Injection vulnerability has been identified in Frappe Framework which could allow a malicious actor to access sensitive information. Workarounds Upgrading is required, no other workaround is present. Credits Thanks to Thanh of Calif.io for reporting the issue...

PYSEC-2026-1646 MLflow Cross-Site Request Forgery (CSRF) vulnerability

A Cross-Site Request Forgery CSRF vulnerability exists in the Signup feature of mlflow/mlflow versions 2.17.0 to 2.20.1. This vulnerability allows an attacker to create a new account, which may be used to perform unauthorized actions on behalf of the malicious user...

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-2026-1263 composio allows Server-Side Request Forgery (SSRF) in BROWSERTOOL

A Server-Side Request Forgery SSRF vulnerability exists in composiohq/composio version v0.4.4. This vulnerability allows an attacker to read the contents of any file in the system by exploiting the BROWSERTOOLGOTOPAGE and BROWSERTOOLGETPAGEDETAILS actions...

PYSEC-2026-1730 Open WebUI Allows Arbitrary File Write via the `/models/upload` Endpoint

In open-webui version 0.3.8, the endpoint /models/upload is vulnerable to arbitrary file write due to improper handling of user-supplied filenames. The vulnerability arises from the usage of filepath = f"UPLOADDIR/file.filename" without proper input validation or sanitization. An attacker can...

PYSEC-2026-1080 Aim Uncontrolled Resource Consumption vulnerability

A vulnerability in aimhubio/aim version 3.25.0 allows for a denial of service DoS attack. The issue arises when a large number of tracked metrics are retrieved simultaneously from the Aim web API, causing the web server to become unresponsive. The root cause is the lack of a limit on the number o...

PYSEC-2026-1396 FastChat Server-Side Request Forgery vulnerability

A Server-Side Request Forgery SSRF vulnerability was identified in the lm-sys/fastchat web server, specifically in the affected version git 2c68a13. This vulnerability allows an attacker to access internal server resources and data that are otherwise inaccessible, such as AWS metadata credentials...

PYSEC-2026-1395 FastChat Denial of Service vulnerability

A Denial of Service DoS vulnerability exists in the file upload feature of lm-sys/fastchat version 0.2.36. The vulnerability is due to improper handling of form-data with a large filename in the file upload request. An attacker can exploit this by sending a payload with an excessively large...

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-2026-1417 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-2026-1290 DB-GPT Uncontrolled Resource Consumption vulnerability

A Denial of Service DoS vulnerability in the multipart request boundary processing mechanism of eosphoros-ai/db-gpt v0.6.0 allows unauthenticated attackers to cause excessive resource consumption. The server fails to handle excessive characters appended to the end of multipart boundaries, leading...

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-2026-1667 MobSF Local Privilege Escalation

Product: Mobile Security Framework MobSF Version: 4.3.0 CWE-ID: CWE-269: Improper Privilege Management CVSS vector v.4.0: 7.1 AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:L/SI:N/SA:N CVSS vector v.3.1: 6.5 AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N Description: MobSF has a functionality of dividing users ...

PYSEC-2026-1452 Home Assistant does not correctly validate SSL for outgoing requests in core and used libs

Summary Problem: Potential man-in-the-middle attacks due to missing SSL certificate verification in the project codebase and used third-party libraries. Details In the past, aiohttp-session/request had the parameter verifyssl to control SSL certificate verification. This was a boolean value. In...

PYSEC-2026-1674 MobSF Partial Denial of Service (DoS)

Partial Denial of Service DoS Product: MobSF Version: v4.2.9 CWE-ID: CWE-1287: Improper Validation of Specified Type of Input CVSS vector v.4.0: 6.9 AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N CVSS vector v.3.1: 6.5 AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Description: DoS in the Scans...

PYSEC-2026-1250 CKAN has an XSS vector in user uploaded images in group/org and user profiles

Impact Using a specially crafted file, a user could potentially upload a file containing code that when executed could send arbitrary requests to the server. If that file was opened by an administrator, it could lead to escalation of privileges of the original submitter or other malicious actions...

PYSEC-2026-1242 changedetection.io Vulnerable to Improper Input Validation Leading to LFR/Path Traversal

Summary Improper input validation in the application can allow attackers to perform local file read LFR or path traversal attacks. These vulnerabilities occur when user input is used to construct file paths without adequate sanitization or validation. For example, using file:../../../etc/passwd o...

PYSEC-2026-1459 Indico Insecure Access

A Broken Object Level Authorization BOLA vulnerability in Indico v3.2.9 allows attackers to access sensitive information via sending a crafted POST request to the component /api/principals...

PYSEC-2026-1575 LLama Factory Remote OS Command Injection Vulnerability

Summary A critical remote OS command injection vulnerability has been identified in the Llama Factory training process. This vulnerability arises from improper handling of user input, allowing malicious actors to execute arbitrary OS commands on the host system. The issue is caused by insecure...

PYSEC-2026-1239 changedetection.io path traversal using file URI scheme without supplying hostname

Summary The validation for the file URI scheme falls short, and results in an attacker being able to read any file on the system. This issue only affects instances with a webdriver enabled, and ALLOWFILEURI false or not defined. Details The check used for URL protocol, issafeurl, allows file: as ...

PYSEC-2026-1681 MPXJ has a Potential Path Traversal Vulnerability

Impact The patch for the historical vulnerability CVE-2020-35460 in MPXJ is incomplete as there is still a possibility that a malicious path could be constructed which would not be picked up by the original fix and allow files to be written to arbitrary locations. Patches The issue is addressed i...

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-2026-1521 Inefficient Regular Expression Complexity in langflow

A vulnerability classified as problematic was found in Langflow up to 1.0.18. Affected by this vulnerability is an unknown functionality of the file \src\backend\base\langflow\interface\utils.py of the component HTTP POST Request Handler. The manipulation of the argument remainingtext leads to...