Pipecat: Path Traversal in Pipecat Runner `/files` Endpoint — Arbitrary File Read via `%2F`-Encoded Separator

Summary A path traversal vulnerability exists in Pipecat's development runner src/pipecat/runner/run.py. When the runner is started with the --folder flag, it exposes a GET /files/filename:path download endpoint. The filename path parameter is concatenated directly onto args.folder with no...

NukeViet CMS: Stored Cross-Site Scripting (XSS) via insufficient server-side input sanitization in Request class

Impact NukeViet CMS , which are stored server-side and executed in the browser of any user who views the content. Who is impacted: - Administrators and moderators who view user-submitted content e.g., contact messages, comments, or any module using the Request class for HTML input. - The Contact...

nimiq-keys: Unchecked Ed25519 signature length in TaggedPublicKey::verify causes remote node panic via DHT

Impact A malicious network peer can crash any Nimiq full node by publishing a crafted Kademlia DHT record containing a TaggedSigned with a signature field whose byte length is not exactly 64. When the victim node's DHT verifier calls TaggedSigned::verify, execution reaches...

@joplin/onenote-converter: Path traversal in OneNote importer allows overwriting arbitrary files

Summary A path traversal vulnerability in the OneNote importer allows overwriting arbitrary files on disk. Details The OneNote converter does not sanitize the names of embedded files before writing them to disk. As a result, it's possible for an attacker to create a malicious .one file that...

SimpleSAMLphp casserver: Open Redirect in logout

Summary The logout endpoint accepts a url query parameter to redirect to. casserver treats that url as trusted, and either depending on configuration redirects the browser there, or shows a "you've been logged out" page with a link to continue to that url. There are a number of other things broke...

smtp-server's command parser memory exhaustion denial-of-service

smtp-server prior to v3.18.3 are vulnerable to unauthenticated memory exhaustion denial-of-service. smtp-server's command parser allows any remote client to consume server memory by sending data without newline characters. The server's remainder buffer in SMTPStream.write grows without limit,...

Raising the bar: Quality, shared responsibility, and the future of GitHub’s bug bounty program

The security research community is one of GitHub's greatest assets. Every year, researchers from around the world help us find and fix vulnerabilities, making the platform safer for over 180 million developers. Our bug bounty program exists because we believe that collaboration with external...

MLflow: unauthenticated access to certain FastAPI routes

A vulnerability in mlflow/mlflow versions 3.9.0 and earlier allows unauthenticated access to certain FastAPI routes when the server is started with authentication enabled --app-name basic-auth and served via uvicorn ASGI. The FastAPI permission middleware only enforces authentication on /gateway/...

Crabbox: environment variable exposure vulnerability

Crabbox prior to v0.12.0 contains an environment variable exposure vulnerability that allows attackers with access to a malicious or compromised repository to forward local secrets such as API tokens, cloud credentials, and broker tokens into the remote command environment. Attackers can exploit...

Crabbox: authentication bypass vulnerability that allows impersonation of others by spoofing identity headers

Crabbox prior to v0.12.0 contains an authentication bypass vulnerability that allows non-admin shared-token callers to impersonate other owners or organizations by spoofing identity headers. Attackers can inject malicious X-Crabbox-Owner and X-Crabbox-Org headers in requests authenticated with a...

vm2 Has a Sandbox Breakout Using Async Generator

Summary VM2 suffers from a sandbox breakout vulnerability. This allows attackers to write code which can escape from the VM2 sandbox and execute arbitrary commands on the host system. Details It is possible to catch a host exception using the yield expression inside an async generator. When the...

python-utcp: Full Process Environment Exposed to CLI Subprocess - Secrets Leakage via Command Injection

Summary prepareenvironment in clicommunicationprotocol.py passes a full copy of os.environ to every CLI subprocess. When combined with the Command Injection vulnerability CWE-78 in substituteutcpargs tracked as GHSA-33p6-5jxp-p3x4, an attacker can exfiltrate all process-level secrets in a single...

utcp-cli Vulnerable to Command Injection via Unsanitized Argument Substitution in CLI Communication Protocol

Summary The substituteutcpargs method in clicommunicationprotocol.py inserts user-controlled toolargs values directly into shell command strings without any sanitization or escaping. These commands are then executed via /bin/bash -c Unix or powershell.exe -Command Windows, allowing an attacker to...

@ranfdev/deepobj has a Prototype Pollution vulnerability

Impact Prototype pollution is possible when property paths contain proto/constructor/prototype. The property path must not be exposed as user input...

@utcp/http: SSRF via attacker-controlled OpenAPI servers[0].url in HTTP communication protocol

Summary The @utcp/http package 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 / loopback allowlist, but callTool reuses the resolved...

slack-go `SecretsVerifier` accepts empty signing secret without precondition

SecretsVerifier in slack-go/slack before v0.23.1 accepts an empty signing secret without error. If an application is misconfigured e.g., an unset or empty SLACKSIGNINGSECRET, NewSecretsVerifier builds an HMAC-SHA256 keyed with an empty string, allowing an unauthenticated attacker to forge a valid...

Marten has an injection vulnerability in its full-text search regConfig parameter

Summary Marten's full-text search APIs interpolated the user-supplied regConfig parameter directly into the generated SQL without parameterization or validation, making every code path that exposes regConfig to untrusted input a SQL injection sink. Affected APIs - IQuerySession.SearchAsyncstring...

@samanhappy/mcphub: SSE Endpoint Accepts Arbitrary Username from URL Path Without Authentication, Enabling User Impersonation

Summary A critical identity spoofing vulnerability in MCPHub allows any unauthenticated user to impersonate any other user — including administrators — on SSE Server-Sent Events and MCP transport endpoints. The server accepts a username from the URL path parameter and creates an internal user...

Svelte: SSR XSS via Insecure Promise Serialization in hydratable

Contents of hydratable promises were not properly stringified, potentially leading to an XSS exploit. You are vulnerable if all of the following is true: - you are using hydratable an experimental feature at the time of this report - you are passing attacker-controlled input such that a synchrono...

electerm's encrypt method not safe enough

Impact Insecure sync encryption: deterministic AES-192-CBC with a fixed zero IV, constant KDF salt, and no MAC leads to confidentiality and integrity failures for synced bookmark/profile data. Attackers can crack common passwords across installs and perform undetected ciphertext bit-flips to alte...

Electerm Local code through electerm's single-instance socket

Impact Local code execution without UI interaction: any same-user process can send a JSON payload to electerm's single-instance socket/pipe, causing the app to create tabs and potentially spawn attacker-controlled local processes. Affects electerm single-instance installs on the machine. Patches ...

DeepSeek TUI: task_create Insecure Defaults Enable RCE via Prompt Injection in Project Files

Summary The taskcreate tool spawns durable sub-agents that inherit two insecure defaults: - allowshell defaults to true config.rs:1499: self.allowshell.unwraportrue - autoapprove defaults to true taskmanager.rs:297: autoapprove: Sometrue When a user approves a taskcreate call which requires...

DeepSeek TUI has SSRF‌ IPV6 bypass

Summary Although SSRF is validated against hostnames that resolve to private IPv6 addresses, when providing the IPV6 in‌‌ URL‌ as http://::1, the SSRF defenses do not work. Details...

DeepSeek TUI: run_tests Tool Enables RCE via Malicious Repository Without Approval

Summary The runtests tool executes cargo test in the workspace with ApprovalRequirement::Auto, meaning it runs without any user approval prompt. The source code explicitly states this design choice: rust fn approvalrequirement&self - ApprovalRequirement // Tests are encouraged, so avoid gating th...

DeepSeek TUI has SSRF via HTTP Redirect Bypass in fetch_url Tool

Summary The fetchurl tool validates the initial URL's resolved IP address against a restricted-IP blocklist isrestrictedip to prevent SSRF attacks against internal services cloud metadata endpoints, localhost, private networks. However, the HTTP client reqwest is configured to automatically follo...

Svelte Vulnerable to XSS via DOM Clobbering of Internal Framework State

Svelte was vulnerable to DOM clobbering of its internal framework state on elements, potentially leading to XSS attacks. You are vulnerable if all of the following is true: - you are using attribute spreading on a form element - you are using attribute spreading or allow a dynamic value for the...

Svelte: ReDoS in `<svelte:element>` Tag Validation

An internal regex in the Svelte runtime can take exponential time to test in . You are only vulnerable to this if you allow tags of unconstrained length. If your application only allows a predetermined list of tags or trims their length before passing them to svelte:element, you are safe...

Open WebUI: LDAP and OAuth First-User Race Condition Allows Multiple Admin Accounts

Summary The LDAP and OAuth authentication flows use a TOCTOU Time-of-Check-Time-of-Use pattern for first-user admin role assignment. The regular signup handler signuphandler in auths.py, line 663 was explicitly patched to prevent this race with the comment "Insert with default role first to avoid...

Open WebUI: Jupyter code execution works despite `ENABLE_CODE_EXECUTION=false` — feature gate bypassed

Summary The /api/v1/utils/code/execute endpoint executes arbitrary Python code via Jupyter for any verified user, even when the admin has set ENABLECODEEXECUTION=false. The feature gate is not enforced on the API endpoint — the configuration says "disabled" but code still executes. Details The...

Open WebUI: shared-chat branch ignores access_type, allowing unauthorized file deletion

Summary Any authenticated user can permanently delete files owned by other users via DELETE /api/v1/files/id when the target file is referenced in any shared chat. The hasaccesstofile authorization gate unconditionally grants access through its shared-chat branch. It checks neither the requesting...

Open WebUI: Unauthenticated endpoint can trigger embedding generation (cost/DoS)

Summary GET /api/v1/memories/ef is accessible without authentication and executes request.app.state.EMBEDDINGFUNCTION.... This allows any unauthenticated caller to trigger embedding generation which can lead to direct cost exposure if a paid provider is used. Code reference:...

Open WebUI has an Indirect Object Reference (IDOR) in user notes

Summary The API /api/v1/notes/noteid endpoint lacks proper authorization checks, allowing authenticated users to retrieve notes belonging to other users by guessing or enumerating UUIDs. This results in unauthorized disclosure of potentially sensitive or private user data. Details - if notes is...

Open WebUI has Stored XSS in Banner Component via Improper Sanitization Order

Summary A Stored Cross-Site Scripting XSS vulnerability exists in the Banner component due to an improper sanitization order specifically, DOMPurify is executed before the marked library. This vulnerability allows a compromised or malicious administrator to plant a malicious payload in the global...

Open WebUI: Cross-User File Access via Unchecked file_id in Folder Knowledge and Knowledge-Base Attach Endpoints

Cross-User File Access via Unchecked fileid in Folder Knowledge and Knowledge-Base Attach Endpoints Summary Multiple endpoints accept a user-supplied fileid and attach the referenced file to a resource the caller controls folder knowledge, knowledge-base contents without verifying that the caller...

Open WebUI vulnerable to stored XSS via OAuth picture claim stored as SVG data URI in profile_image_url

Summary When a user signs in via OAuth, Open WebUI fetches the picture claim URL, infers a MIME type from the URL extension via mimetypes.guesstype, and stores data:;base64,... as the user's profile image. The OAuth code path does not go through the validateprofileimageurl Pydantic validator that...

Open WebUI has a SSRF Bypass via HTTP Redirect Following in Web-Fetch and Image-Load Endpoints (not addressed by CVE-2025-65958)

Server-Side Request Forgery SSRF Bypass via HTTP Redirect Following in Web-Fetch, Image-Load, and Chat-Completion Endpoints Summary The validateurl function in backend/openwebui/retrieval/web/utils.py only validates the initial URL submitted by the caller. The HTTP clients used downstream sync...

Open WebUI has a Server-Side Request Forgery (SSRF) bypass in `validate_url`

Summary In the open-webui project, a parsing difference between the urlparse and requests libraries led to an SSRF bypass vulnerability. Details In the current project, URL validation is performed using the function validateurl. The current checking logic uses urlparse to parse the hostname part ...

Open WebUI: Low-privilege authenticated users can enumerate and stop global background tasks, causing system-wide chat disruption

Summary Any authenticated user with low privileges can enumerate active background tasks across the system and stop tasks belonging to other users via the GET /api/tasks and POST /api/tasks/stop/taskid methods. This allows a casual user to disrupt system-wide chat usage by continuously canceling...

Open WebUI Vulnerable to IDOR: Retrieval API Bypasses Knowledge Base Access Controls

IDOR: Retrieval API Bypasses Knowledge Base Access Controls Author: Andrew Orr Summary validatecollectionaccess PR 22109 checks the user-memory- and file- collection name prefixes but does not check knowledge base collections, which use raw UUIDs as collection names. Any authenticated user who...

Open WebUI Vulnerable to Unauthenticated RAG Configuration Disclosure

Vulnerability Type: Information Disclosure / Missing Authentication Severity: Medium Component: backend/openwebui/routers/retrieval.py — getstatus GET / Affected Endpoint: GET /api/v1/retrieval/ Affected Version: Open WebUI main branch — confirmed unpatched through v0.9.2 Authentication Required:...

Open WebUI: Mass Assignment via FeedbackForm extra=allow Allows Feedback User ID Spoofing and Evaluation Data Manipulation

Mass Assignment in Feedback Creation Allows User ID Spoofing and Evaluation Data Manipulation Summary The POST /api/v1/evaluations/feedback endpoint in Open WebUI v0.9.2 is vulnerable to mass assignment via FeedbackForm, which uses modelconfig = ConfigDictextra='allow'. Due to an insecure...

Open WebUI: Missing `workspace.tools` Authorization Check on Tool Update Endpoint Allows Privilege Escalation to Code Execution

Summary The tool update endpoint POST /api/v1/tools/id/id/update is missing the workspace.tools permission check that is present on the tool create endpoint. This allows a user who has been explicitly denied tool management capabilities and who the administrator considers untrusted for code...

Open WebUI: Sharing models for others to use (read permission) also exposes model details (system prompt leakage)

Summary When setting model permissions so that a group has read access to it, intending for other users to use it, those users also can read the model's system prompt. However users may consider their system prompt confidential, so we consider this a security issue. Compare...

Open WebUI has an IDOR vulnerability in the pin_channel_message API endpoint

Summary Pin/Unpin is a write operation modifies the message's ispinned , pinnedby, pinnedat fields, but in standard channels it only checks read permission, allowing users with read-only access to pin/unpin any message. Details...

Open WebUI has an IDOR vulnerability in the update_message_by_id API endpoint

Summary An IDOR vulnerability exists in the Channels feature of Open WebUI, allowing any channel member to modify messages sent by other members including administrators within the same channel. This vulnerability affects the latest version v0.8.12 of Open WebUI. Details In the updatemessagebyid...

Open WebUI: Authenticated users can bypass model access control via exposed query parameter [AI-ASSISTED]

Summary An internal-only bypassfilter parameter is exposed on the /openai/chat/completions and /ollama/api/chat HTTP endpoints via FastAPI query string binding, allowing any authenticated user to append ?bypassfilter=true and bypass model access control checks to invoke admin-restricted models...

Open WebUI Exposes System Prompt to Regular User [Non-Admin]

Summary A regular user non-admin can view the system prompt of the model which is set by an admin. Details When a regular user non-admin logs into the application, a http://IP:8080/api/models? web request is initiated by the application and in response, it reveals the system prompt of available...

Open WebUI's chat completion API allows tool restrictions to be bypassed

Summary Open WebUI v0.6.43 contains a vulnerability in its chat completion API, which allows attackers to bypass tool restrictions, potentially enabling unauthorized actions or access. Details In the chatcompletion API, the parameters toolids and toolservers are supplied by the user. These...

Open WebUI has Broken Access Control for Completions API

Summary Any user X can continue the conversation of any other user Y, as long as the Chat ID of Y is known. User X does not even need to be an admin to do so. Details A user just needs to use the API endpoint: /api/chat/completions with their own API key generated in OWUI and the Chat ID of anoth...

pyLoad is vulnerable to stored XSS in Downloads view via unsanitized link URL in packages.js template literal

Summary The packages.js template at src/pyload/webui/app/themes/modern/templates/js/packages.js:172 interpolates a stored link URL into a template literal inside single-quoted HTML and then writes the result to the DOM via $div.htmlhtml. No escaping runs between the API value and innerHTML. An...