979525 matches found
Cross-site Scripting (XSS)
Overview open-webui is an Open WebUI Affected versions of this package are vulnerable to Cross-site Scripting XSS via the profileimageurl parameter in the webhook creation or update process. An attacker can execute arbitrary JavaScript in the context of the application by supplying a crafted SVG...
GHSA-3856-3VXQ-M6FC Open WebUI has XSS via SVG in /api/v1/channels/webhooks/{webhook_id}/profile/image
As part of our research on improving our AI pentest, we have uncovered the following issue in Open WebUI. We've manually verified and tided up the report, but you can also find the original agent finding at the bottom of this report. Summary The channel webhook create/update flow accepts arbitrar...
Reliance on File Name or Extension of Externally-Supplied File
Overview open-webui is an Open WebUI Affected versions of this package are vulnerable to Reliance on File Name or Extension of Externally-Supplied File via the audio transcription upload process. An attacker can execute arbitrary JavaScript in the context of another user's session by uploading a...
GHSA-M8F9-9WHG-F4XR Open WebUI has stored XSS via attacker-controlled file extension in /api/v1/audio/transcriptions
Summary The audio transcription upload endpoint takes the file extension from the user-supplied filename and saves the file under CACHEDIR/audio/transcriptions/.. The /cache/path route serves these files via FileResponse, which sets Content-Type from the on-disk extension and emits no...
CVE-2026-43907
OpenImageIO is a toolset for reading, writing, and manipulating image files of any image file format relevant to VFX / animation. Prior to 3.0.18.0 and 3.1.13.0, a signed integer overflow in QueryRGBBufferSizeInternal in DPXColorConverter.cpp leads to a heap-based out-of-bounds write when...
Cross-site Scripting (XSS)
Overview open-webui is an Open WebUI Affected versions of this package are vulnerable to Cross-site Scripting XSS via the HTML rendering view. An attacker can execute arbitrary HTML or JavaScript in the user's context by injecting malicious scripts into embedded file in the chat that later shared...
Open WebUI has stored XSS via the HTML renedering view
Summary Through the HTML rendering view, scripts can be injected and executed. The finding resulted from a penetration test for a customer. It is suspected that the root cause of the issue lies within the core of Open WebUI, which is why it is being reported as a security issue here. Tested on Op...
GHSA-4VRC-M9CH-6M3R Open WebUI has stored XSS via the HTML renedering view
Summary Through the HTML rendering view, scripts can be injected and executed. The finding resulted from a penetration test for a customer. It is suspected that the root cause of the issue lies within the core of Open WebUI, which is why it is being reported as a security issue here. Tested on Op...
Incorrect Permission Assignment for Critical Resource
Overview open-webui is an Open WebUI Affected versions of this package are vulnerable to Incorrect Permission Assignment for Critical Resource in the files/ endpoints. An attacker can list, access and delete every uploaded file due to absence of authorisation on these endpoints. Remediation Upgra...
GHSA-R8WH-8M7R-FH33 Open WebUI: Missing permission check in files API allows authenticated users to list, access and delete every uploaded file
Summary A missing permission check in all files related API endpoints allows any authenticated user to list, access and delete every file uploaded by every user to the platform. Details All files/ related endpoints lack permission checks. Listing all files For example, let's see how file listing ...
CVE-2026-44661
python-utcp is the python implementation of UTCP. Prior to 1.1.3, the utcp-http plugin is vulnerable to a blind Server-Side Request Forgery SSRF caused by a trust-boundary inconsistency between manual discovery and tool invocation. registermanual validates the discovery URL against an HTTPS /...
CVE-2026-42158
Flowsint is an open-source OSINT graph exploration tool designed for cybersecurity investigation, transparency, and verification. Prior to 1.2.3, an adversary with knowledge of an investigation ID, could update the metadata of an investigation of another user. This vulnerability is fixed in 1.2.3...
CVE-2026-42260
Open-WebSearch is a multi-engine MCP server, CLI, and local daemon for agent web search and content retrieval. Prior to 2.1.7, isPublicHttpUrl / assertPublicHttpUrl in src/utils/urlSafety.ts do not recognize bracketed IPv6 literals and do not resolve DNS, which combine to allow non-blind SSRF wit...
CVE-2026-43909 OpenImageIO: Signed integer overflow in SwapRGBABytes loop index leads to out-of-bounds read/write in DPX ABGR decoder
OpenImageIO is a toolset for reading, writing, and manipulating image files of any image file format relevant to VFX / animation. Prior to 3.0.18.0 and 3.1.13.0, a signed 32-bit integer overflow in the loop index expression i 4 inside SwapRGBABytes causes the function to compute a large negative...
EUVD-2026-30367
Note Mark is an open-source note-taking application. Prior to 0.19.4, no minimum length or entropy is enforced on the JWTSECRET configuration value. The application accepts any base64-decodable secret regardless of size, including secrets as short as 1 byte. This vulnerability is fixed in 0.19.4...
EUVD-2026-30365
Gradient is a nix-based continuous integration system. In 1.1.0, when GRADIENTDISCOVERABLE=true the default, and the NixOS module default, anyone who can reach /proto can register as a worker without any credentials by sending a fresh, never-registered worker UUID. The resulting session has...
CVE-2026-44592
Gradient is a nix-based CI system. In version 1.1.0, when GRADIENT_DISCOVERABLE=true (default), an unauthenticated actor that can reach /proto can register as a worker using a fresh UUID. The resulting session is PeerAuth::Open, allowing access to jobs from any organization, and can immediately N...
EUVD-2026-30353
SiYuan is an open-source personal knowledge management system. Prior to 3.7.0, broken access control in the searchAsset, searchTag, searchWidget, and searchTemplate publish-mode Readers can enumerate metadata from documents that are invisible to the publish service. This vulnerability is fixed in...