CVE-2026-59212: Incorrect Authorization

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.9.6 before 0.10.0, verifyknowledgefileaccess only checked read access while file write and delete routes later trusted object-derived access through writable model meta.knowledge entries, allowing a user...

CVE-2026-59225: Missing Authorization

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.8.12 before 0.10.0, an authenticated non-admin user with read access to an arena wrapper model can reach a restricted underlying model through task endpoints such as /api/v1/tasks/moa/completions. The...

CVE-2026-59219: Insufficient Session Expiration

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.9.0 before 0.10.0 with Redis configured, Socket.IO connect, user-join, join-channels, join-note, and the terminal websocket first-message authentication used decodetoken without the Redis-backed...

CVE-2026-58306: Heap-based Buffer Overflow

Heap-based buffer overflow vulnerability in Samsung Open Source Escargot allows Overflow Buffers. This issue affects Escargot: before ef525f337fafddecde77a3c426212a84bb20cb98...

CVE-2026-31981: Improper Neutralization of Input During Web Page Generation

A Stored HTML Injection vulnerability was discovered in the Diagram tab and Graph view due to a shared input validation function being insufficiently restrictive. An authenticated user with administrative privileges can inject malicious HTML tags into N2OS configuration data through multiple inpu...

CVE-2026-12516: Undefined Security Weakness

The Fediverse Embeds WordPress plugin before 1.5.8 does not validate the destination of the server-side request performed by an unauthenticated media-proxying endpoint, allowing anonymous users to make the site fetch arbitrary URLs, including internal and private-network addresses, and read back...

CVE-2026-58307: Out-of-bounds Read

Out-of-bounds read, Reachable assertion vulnerability in Samsung Open Source Escargot allows Overread Buffers, Input Data Manipulation. This issue affects Escargot: before 2dee22f5c7b8bf31cb7252d7731fae8c07f2842c...

CVE-2026-58305: Access of Resource Using Incompatible Type

Access of resource using incompatible type 'type confusion' vulnerability in Samsung Open Source Escargot allows Pointer Manipulation. This issue affects Escargot: before 779f6bedf58f334dec64b0a51ebb724b4708b84a...

The vulnerability of the LibreOffice office software package, related to overflowing buffer spaces in dynamic memory, allows a hacker to trigger a service failure.

The vulnerability of the LibreOffice office software package is related to overflowing buffers in dynamic memory. Exploiting this vulnerability can allow an attacker to cause a service failure by using specially created documents in the OOXML format...

PT-2026-59331

An Open Redirect vulnerability for all browsers in Jupyter Notebook before 5.7.8 and some browsers Chrome, Firefox in JupyterHub before 0.9.6 allows crafted links to the login page, which will redirect to a malicious site after successful login. Servers running on a base url prefix are not affect...

CVE-2026-58304: Out-of-bounds Read

Out-of-bounds read, Out-of-bounds write vulnerability in Samsung Open Source Escargot allows Overflow Buffers. This issue affects Escargot: before 779f6bedf58f334dec64b0a51ebb724b4708b84a...

AlmaLinux 8 : compat-openssl10 (ALSA-2026:36215)

The remote AlmaLinux 8 host has a package installed that is affected by a vulnerability as referenced in the ALSA-2026:36215 advisory. openssl: Heap Use-After-Free in OpenSSL PKCS7verify CVE-2026-45447 Tenable has extracted the preceding description block directly from the AlmaLinux security...

PT-2026-56884

Name of the Vulnerable Software and Affected Versions Open WebUI versions 0.9.0 through 0.9.x Description When Redis is configured, the authentication process for Socket.IO connect, user-join, join-channels, join-note, and the terminal websocket first-message uses the decode token function withou...

PT-2026-56780

Access of resource using incompatible type 'type confusion' vulnerability in Samsung Open Source Escargot allows Pointer Manipulation. This issue affects Escargot: before 779f6bedf58f334dec64b0a51ebb724b4708b84a...

PT-2026-56827

Name of the Vulnerable Software and Affected Versions Open WebUI versions prior to 0.10.0 Description Open WebUI runs client-side Python using Pyodide a Python distribution for the browser within a same-origin web worker. This allows stored chat payloads to utilize pyodide.http.pyfetch, the js...

CVE-2026-59213: Use of Cache Containing Sensitive Information

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.6.27 before 0.10.0, getallmodels handlers in routers/openai.py and routers/ollama.py passed a lambda to aiocache key instead of keybuilder, causing permission-filtered per-user model lists to share a stat...

PT-2026-56892

Name of the Vulnerable Software and Affected Versions FileMaker Server versions prior to 26.0.1 Description An authenticated administrator can achieve arbitrary code execution on the host system by uploading a malicious file through the Open Source LLM setup feature in the Admin Console...

PT-2026-57044

Name of the Vulnerable Software and Affected Versions openrun affected versions not specified Description Restrictions on redirect URLs can be bypassed, leading to open redirect attacks. The issue occurs because the validation logic only verifies that the host and schema of the redirect URL match...

CVE-2026-59226: Improper Authorization

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.9.0 before 0.10.0, executeautomation rehydrated automation owners without rechecking that they were still active or still had features.automations, and checkmodelaccess only enforced private-model grants...

CVE-2026-59220: Inefficient Regular Expression Complexity

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.9.2 before 0.10.0, the SKILLMENTIONRE and stripre regular expressions in backend/openwebui/utils/middleware.py parsed skill mentions with overlapping quantifiers, allowing an authenticated chat message...