PYSEC-2026-2757 Open WebUI: Stored XSS to Account Takeover via Model Profile Images

Stored XSS to Account Takeover via Model Profile Images in Open WebUI Affected: Open WebUI tags. On the output side, users.py added a MIME allowlist check and X-Content-Type-Options: nosniff. The fix was applied to UserUpdateForm, UpdateProfileForm, and later to ChannelWebhookForm. Three models...

Open WebUI has Stored Cross-Site Scripting In Profile Picture

SummaryThe profileimageurl field on the user profile update form accepted arbitrary data: URI values without MIME-type validation. Two distinct attack paths were independently demonstrated by separate reporters:1. data:text/html;base64,... in a new browser tab raresvis, 2025-04-17 — when a victim...

PYSEC-2026-2708 Open WebUI has Stored Cross-Site Scripting In Profile Picture

Summary The profileimageurl field on the user profile update form accepted arbitrary data: URI values without MIME-type validation. Two distinct attack paths were independently demonstrated by separate reporters: 1. data:text/html;base64,... in a new browser tab raresvis, 2025-04-17 — when a vict...

PYSEC-2026-2641 FoundationAgents MetaGPT vulnerable to OS Command Injection in metagpt/utils/common.py

A vulnerability was found in FoundationAgents MetaGPT up to 0.8.1. Impacted is the function getmimetype of the file metagpt/utils/common.py. The manipulation results in os command injection. The attack can be executed remotely. The exploit has been made public and could be used. The project was...

FoundationAgents MetaGPT vulnerable to OS Command Injection in metagpt/utils/common.py

A vulnerability was found in FoundationAgents MetaGPT up to 0.8.1. Impacted is the function getmimetype of the file metagpt/utils/common.py. The manipulation results in os command injection. The attack can be executed remotely. The exploit has been made public and could be used. The project was...

mime: golang: Golang MIME: Denial of Service via maliciously-crafted MIME header

A flaw was found in the Golang MIME Multipurpose Internet Mail Extensions package. A remote attacker could exploit this vulnerability by sending a maliciously-crafted MIME header containing many invalid encoded-words. This could lead to excessive CPU consumption, resulting in a Denial of Service...

PT-2026-59390

Summary The audio transcription upload endpoint takes the file extension from the user-supplied filename and saves the file under CACHE DIR/audio/transcriptions/.. The /cache/path route serves these files via FileResponse, which sets Content-Type from the on-disk extension and emits no...

PT-2026-59291

A vulnerability was found in FoundationAgents MetaGPT up to 0.8.1. Impacted is the function get mime type of the file metagpt/utils/common.py. The manipulation results in os command injection. The attack can be executed remotely. The exploit has been made public and could be used. The project was...

Arbitrary File Upload

Overview parse-server is a version of the Parse backend that can be deployed to any infrastructure that can run Node.js. Affected versions of this package are vulnerable to Arbitrary File Upload in the file upload process when a malformed Content-Type header is supplied and the file extension is...

CVE-2026-61448

Parse Server is affected by a stored cross-site scripting XSS vulnerability in versions = 9.0.0, 9.10.0-alpha.2 and = 8.6.83. When an uploaded file's extension is not recognized by the mime package, Parse Server preserves the client-supplied Content-Type. A malformed Content-Type that is not a...

EUVD-2026-43183

Parse Server is affected by a stored cross-site scripting XSS vulnerability in versions = 9.0.0, 9.10.0-alpha.2 and = 8.6.83. When an uploaded file's extension is not recognized by the mime package, Parse Server preserves the client-supplied Content-Type. A malformed Content-Type that is not a...

CVE-2026-61448

Parse Server is affected by a stored cross-site scripting XSS vulnerability in versions = 9.0.0, 9.10.0-alpha.2 and = 8.6.83. When an uploaded file's extension is not recognized by the mime package, Parse Server preserves the client-supplied Content-Type. A malformed Content-Type that is not a...

CVE-2026-61448

Parse Server is affected by a stored XSS in versions 9.0.0–9.9.9 (excluding 9.10.0-alpha.2) and 8.6.0x up to 8.6.83. When a file with an unrecognized extension is uploaded, the client-supplied Content-Type is kept. A malformed Content-Type (not valid type/subtype) can bypass fileUpload.fileExtens...

CVE-2026-61448 Parse Server 9.0.0 Stored XSS via malformed Content-Type

Parse Server is affected by a stored cross-site scripting XSS vulnerability in versions = 9.0.0, 9.10.0-alpha.2 and = 8.6.83. When an uploaded file's extension is not recognized by the mime package, Parse Server preserves the client-supplied Content-Type. A malformed Content-Type that is not a...

PT-2026-57441

Name of the Vulnerable Software and Affected Versions Parse Server versions 9.0.0 through 9.10.0-alpha.1 Parse Server versions 8.x through 8.6.83 Description A stored cross-site scripting XSS issue exists when the software fails to recognize an uploaded file's extension via the mime package,...

ROS-20260710-73-0015

The vulnerability of the Go programming language’s MIME component is related to its algorithmic complexity. Exploiting this vulnerability can allow a malicious actor, operating remotely, to cause service failures by using a specially created MIME header...

EUVD-2026-42435

A sandbox escape vulnerability exists in the OpenJDK packages provided in Ubuntu. The .jar MIME handlers installed by these packages execute files marked as executable when the mailcap package is installed. A compromised or malicious sandboxed application with access to the OpenURI portal via...

PT-2026-57342

Name of the Vulnerable Software and Affected Versions RoundCube versions prior to 1.7 Description A stored cross-site scripting XSS flaw exists where an unescaped attachment MIME type is displayed on the attachment-validation warning page. An attacker can craft a malicious MIME type string that,...

CVE-2026-10037

A sandbox escape vulnerability exists in the OpenJDK packages provided in Ubuntu. The .jar MIME handlers installed by these packages execute files marked as executable when the mailcap package is installed. A compromised or malicious sandboxed application with access to the OpenURI portal via...

CVE-2026-10037

A sandbox escape vulnerability exists in the OpenJDK packages provided in Ubuntu. The .jar MIME handlers installed by these packages execute files marked as executable when the mailcap package is installed. A compromised or malicious sandboxed application with access to the OpenURI portal via...