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-2026-1411 Gradio Vulnerable to Open Redirect

An open redirect vulnerability exists in the latest version of gradio-app/gradio. The vulnerability allows an attacker to redirect users to a malicious website by URL encoding. This can be exploited by sending a crafted request to the application, which results in a 302 redirect to an...

PYSEC-2026-1433 Gunicorn HTTP Request/Response Smuggling vulnerability

Gunicorn version 21.2.0 does not properly validate the value of the 'Transfer-Encoding' header as specified in the RFC standards, which leads to the default fallback method of 'Content-Length,' making it vulnerable to TE.CL request smuggling. This vulnerability can lead to cache poisoning, data...

PYSEC-2026-1421 Gradio Vulnerable to Denial of Service (DoS) via Crafted HTTP Request

A Regular Expression Denial of Service ReDoS vulnerability exists in the gradio-app/gradio repository, affecting the gr.Datetime component. The affected version is git commit 98cbcae. The vulnerability arises from the use of a regular expression ^?:\snow\s?:-\s\d+\sdmhs??\s$ to process user input...

PYSEC-2026-1503 Label Studio allows Server-Side Request Forgery in the S3 Storage Endpoint

Description Label Studio's S3 storage integration feature contains a Server-Side Request Forgery SSRF vulnerability in its endpoint configuration. When creating an S3 storage connection, the application allows users to specify a custom S3 endpoint URL via the s3endpoint parameter. This endpoint U...

PYSEC-2026-1504 Label Studio allows Cross-Site Scripting (XSS) via GET request to `/projects/upload-example` endpoint

Description Label Studio's /projects/upload-example endpoint allows injection of arbitrary HTML through a GET request with an appropriately crafted labelconfig query parameter. By crafting a specially formatted XML label config with inline task data containing malicious HTML/JavaScript, an attack...

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-2026-1103 aiohttp allows request smuggling due to incorrect parsing of chunk extensions

Summary The Python parser parses newlines in chunk extensions incorrectly which can lead to request smuggling vulnerabilities under certain conditions. Impact If a pure Python version of aiohttp is installed i.e. without the usual C extensions or AIOHTTPNOEXTENSIONS is enabled, then an attacker m...

PYSEC-2026-1944 Litestar allows unbounded resource consumption (DoS vulnerability)

Summary Litestar offers multiple methods to return a parsed representation of the request body, as well as extractors that rely on those parsers to map request content to structured data types. Multiple of those parsers do not have size limits when reading the request body into memory, which allo...

PYSEC-2026-1599 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 "Git Content" request...

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...

MAL-2026-7352 Malicious code in pull-request-comment-branch (npm)

--- -= Per source details. Do not edit below this line.=-...

GHSA-26V7-H57M-GH9M New API is vulnerable to CSRF through user email binding

Summary The email and WeChat account binding endpoints used GET requests for state-changing account operations. In deployments where session cookies could be sent on cross-site navigations, an attacker could trigger a logged-in user's browser to bind an attacker-controlled email address or OAuth...

New API is vulnerable to CSRF through user email binding

Summary The email and WeChat account binding endpoints used GET requests for state-changing account operations. In deployments where session cookies could be sent on cross-site navigations, an attacker could trigger a logged-in user's browser to bind an attacker-controlled email address or OAuth...

Server-side Request Forgery (SSRF)

Overview Affected versions of this package are vulnerable to Server-side Request Forgery SSRF in the notification URL validation process. An attacker can access internal network resources and potentially expose sensitive internal data by configuring notification URLs to point to hostnames that...

389-ds-base: 389-ds-base: Heap buffer overflow in sasl_io_recv() via padded SASL UNBIND

A heap buffer overflow flaw was found in the SASL I/O layer of 389 Directory Server 389-ds-base. After a successful SASL bind with integrity protection SSF 0, an authenticated attacker can send a specially crafted oversized LDAP UNBIND packet that is copied into a 512-byte heap receive buffer...

PYSEC-2026-1098 aiohttp vulnerable to Denial of Service when trying to parse malformed POST requests

Summary An attacker can send a specially crafted POST multipart/form-data request. When the aiohttp server processes it, the server will enter an infinite loop and be unable to process any further requests. Impact An attacker can stop the application from serving requests after sending a single...

PYSEC-2026-1434 Request smuggling leading to endpoint restriction bypass in Gunicorn

Gunicorn fails to properly validate Transfer-Encoding headers, leading to HTTP Request Smuggling HRS vulnerabilities. By crafting requests with conflicting Transfer-Encoding headers, attackers can bypass security restrictions and access restricted endpoints. This issue is due to Gunicorn's handli...

PYSEC-2026-1650 mlflow Path Traversal vulnerability

A path traversal vulnerability exists in mlflow/mlflow version 2.9.2, allowing attackers to access arbitrary files on the server. By crafting a series of HTTP POST requests with specially crafted 'artifactlocation' and 'source' parameters, using a local URI with '' instead of '?', an attacker can...

PYSEC-2026-1419 gradio Server-Side Request Forgery vulnerability

An SSRF Server-Side Request Forgery vulnerability exists in the gradio-app/gradio repository, allowing attackers to scan and identify open ports within an internal network. By manipulating the 'file' parameter in a GET request, an attacker can discern the status of internal ports based on the...