PT-2026-56831

Name of the Vulnerable Software and Affected Versions Open WebUI versions 0.8.11 through 0.9.x Description An issue exists where the 'POST /api/v1/images/edit' endpoint only requires a verified account and fails to enforce the global image-edit switch or per-user image-generation permissions. Thi...

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...

PT-2026-57307

Name of the Vulnerable Software and Affected Versions miniOrange OAuth Single Sign On - SSO OAuth Client versions prior to 38.5.9 Description An authentication bypass exists in the miniOrange OAuth SSO WordPress plugin. An unauthenticated remote attacker can exploit an alternate password-recovery...

CVE-2026-58303: Stack-based Buffer Overflow

Stack-based buffer overflow vulnerability in Samsung Open Source Escargot allows Overflow Buffers. This issue affects Escargot: before b30b63fc63b403907d8137da1c65aaa4521fe74e...

PT-2026-56778

Stack-based buffer overflow vulnerability in Samsung Open Source Escargot allows Overflow Buffers. This issue affects Escargot: before b30b63fc63b403907d8137da1c65aaa4521fe74e...

PT-2026-56829

Name of the Vulnerable Software and Affected Versions Open WebUI versions 0.9.2 through 0.9.x Description An issue exists in the SKILL MENTION RE and strip re regular expressions within the backend/open webui/utils/middleware.py file. These expressions parse skill mentions in the format using...

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-2026-59216: Improper Control of Generation of Code

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. Prior to 0.10.0, geteventcall delivered execute:python and execute:tool Socket.IO events to a client-supplied sessionid after checking only that the session was connected, allowing authenticated users who learne...

PT-2026-56826

Name of the Vulnerable Software and Affected Versions n8n versions prior to 1.123.61 n8n versions prior to 2.27.4 n8n versions prior to 2.28.1 Description An authenticated member with use-only editor access to a shared workflow can read credential-populated headers exposed via the $request object...

PT-2026-56828

Name of the Vulnerable Software and Affected Versions Open WebUI versions prior to 0.10.0 Description The '/api/v1/auths/signin' endpoint performs user lookups by email and only executes bcrypt password verification if a matching credential is found. This creates a timing difference where request...

CVE-2026-59218: Observable Timing Discrepancy

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. Prior to 0.10.0, the /api/v1/auths/signin endpoint looked users up by email and only ran bcrypt password verification when a credential existed, making registered-account attempts measurably slower than...

PT-2026-56881

Name of the Vulnerable Software and Affected Versions Open WebUI versions prior to 0.10.0 Description An issue exists in the channel thread parent and reply handling where the parent id is not bound to the channel in the URL. This allows an authenticated user to reference a message from a differe...

SUSE SLED15: xorg-x11-server / xorg-x11-server-Xvfb / xorg-x11-server-extra / etc (SUSE-SU-2026:2788-1)

The remote SUSE Linux SLED15 / SLEDSAP15 / SLES15 / SLESSAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:2788-1 advisory. This update for xorg-x11-server fixes the following issues - CVE-2026-55999: missing bounds check in...

PT-2026-56879

Name of the Vulnerable Software and Affected Versions Open WebUI versions 0.9.6 through 0.9.9 Description An issue exists where the verify knowledge file access function only validates read access. Subsequently, file write and delete routes trust object-derived access via writable meta.knowledge...

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-2026-31982: URL Redirection to Untrusted Site

An Open Redirect vulnerability was discovered in the SAML Single Sign-On functionality due to insufficient validation of a user-controlled redirection parameter. An unauthenticated attacker can craft a request to the SAML sign-in endpoint and poison the cached SAML redirection for other users who...

LibreOffice Buffer Overflow DoS

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...

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-2026-56888

Name of the Vulnerable Software and Affected Versions Open WebUI versions 0.8.12 through 0.9.x Description An authenticated non-admin user with read access to an arena wrapper model can access a restricted underlying model. This occurs because task endpoints, such as...

PT-2026-56886

Name of the Vulnerable Software and Affected Versions Open WebUI versions prior to 0.10.0 Description Improper matching in the WEB FETCH FILTER LIST allows for blocklist bypasses. The system compares configured host entries against URL strings and non-label-boundary suffixes, which enables...