Tornado vulnerable to excessive logging caused by malformed multipart form data

SummaryWhen Tornado's multipart/form-data parser encounters certain errors, it logs a warning but continues trying to parse the remainder of the data. This allows remote attackers to generate an extremely high volume of logs, constituting a DoS attack. This DoS is compounded by the fact that the...

GO-2026-5804 Remark42: Cross-Site Scripting (XSS) on /api/v1/img via content-type spoofing in github.com/umputun/remark42

Remark42: Cross-Site Scripting XSS on /api/v1/img via content-type spoofing in github.com/umputun/remark42...

GO-2026-5827 gonic has arbitrary file write in createPlaylist: any authenticated user can write playlist M3U content to attacker-controlled path on the host in go.senan.xyz/gonic

gonic has arbitrary file write in createPlaylist: any authenticated user can write playlist M3U content to attacker-controlled path on the host in go.senan.xyz/gonic...

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-2026-1504 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...

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

DescriptionLabel 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 attacke...

PYSEC-2026-1472 Jinja has a sandbox breakout through malicious filenames

A bug in the Jinja compiler allows an attacker that controls both the content and filename of a template to execute arbitrary Python code, regardless of if Jinja's sandbox is used. To exploit the vulnerability, an attacker needs to control both the filename and the contents of a template. Whether...

Jinja has a sandbox breakout through malicious filenames

A bug in the Jinja compiler allows an attacker that controls both the content and filename of a template to execute arbitrary Python code, regardless of if Jinja's sandbox is used.To exploit the vulnerability, an attacker needs to control both the filename and the contents of a template. Whether...

PYSEC-2026-1613 Synapse allows unsupported content types to lead to memory exhaustion

Impact In Synapse before 1.120.1, multipart/form-data requests can in certain configurations transiently increase memory consumption beyond expected levels while processing the request, which can be used to amplify denial of service attacks. Patches Synapse 1.120.1 resolves the issue by denying...

Synapse allows unsupported content types to lead to memory exhaustion

ImpactIn Synapse before 1.120.1, multipart/form-data requests can in certain configurations transiently increase memory consumption beyond expected levels while processing the request, which can be used to amplify denial of service attacks. PatchesSynapse 1.120.1 resolves the issue by denying...

django CMS Attributes Field Cross-site Scripting

Improper Neutralization of Input During Web Page Generation XSS or 'Cross-site Scripting' vulnerability in django CMS Association django CMS Attributes Fields allows Stored XSS.This issue affects django CMS Attributes Fields: before 4.0...

PYSEC-2026-1123 Ansible-Core vulnerable to content protections bypass

A flaw was found in Ansible-Core. This vulnerability allows attackers to bypass unsafe content protections using the hostvars object to reference and execute templated content. This issue can lead to arbitrary code execution if remote data or module outputs are improperly templated within playboo...

Ansible-Core vulnerable to content protections bypass

A flaw was found in Ansible-Core. This vulnerability allows attackers to bypass unsafe content protections using the hostvars object to reference and execute templated content. This issue can lead to arbitrary code execution if remote data or module outputs are improperly templated within playboo...

PYSEC-2026-1860 Werkzeug possible resource exhaustion when parsing file data in forms

Applications using Werkzeug to parse multipart/form-data requests are vulnerable to resource exhaustion. A specially crafted form body can bypass the Request.maxformmemorysize setting. The Request.maxcontentlength setting, as well as resource limits provided by deployment software and platforms,...

Werkzeug possible resource exhaustion when parsing file data in forms

Applications using Werkzeug to parse multipart/form-data requests are vulnerable to resource exhaustion. A specially crafted form body can bypass the Request.maxformmemorysize setting.The Request.maxcontentlength setting, as well as resource limits provided by deployment software and platforms, a...

PYSEC-2026-1306 Reverb use after free vulnerability

There exists a use after free vulnerability in Reverb. Reverb supports the VARIANT datatype, which is supposed to represent an arbitrary object in C++. When a tensor proto of type VARIANT is unpacked, memory is first allocated to store the entire tensor, and a ctor is called on each instance...

Khoj Vulnerable to Stored Cross-site Scripting In Automate (Preview feature)

SummaryThe Automation feature allows a user to insert arbitrary HTML inside the task instructions, resulting in a Stored XSS. DetailsThe q parameter for the /api/automation endpoint does not get correctly sanitized when rendered on the page, resulting in the ability of users to inject arbitrary...

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...

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...

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...