CVE-2026-87999

Open WebUI (a self-hosted AI platform) had a server-side request forgery (SSRF) vulnerability in backend/open_webui/retrieval/web/utils.py, affecting the POST /api/v1/retrieval/process/web and POST /api/v1/retrieval/process/web/search endpoints. The root cause was that Python's globally routable ...

CVE-2026-87999 Open WebUI: Any authenticated user can reach the Azure platform channel via server-side web fetch

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. Prior to 0.11.1, POST /api/v1/retrieval/process/web and POST /api/v1/retrieval/process/web/search in backend/openwebui/retrieval/web/utils.py treated Python's globally routable address classification as proof th...

CVE-2026-87996 Open WebUI: SSRF into internal services via DNS rebinding in the Playwright web loader

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.9.6 until 0.11.1, SafePlaywrightURLLoader in backend/openwebui/retrieval/web/utils.py validated a user-controlled hostname in Python and then let the Playwright browser resolve it again in the sync and...

CVE-2026-87996

Open WebUI (self-hosted AI platform), versions 0.9.6 through 0.11.1 , is affected by an SSRF via DNS rebinding in the SafePlaywrightURLLoader component (backend/open_webui/retrieval/web/utils.py). The root cause is a trust mismatch: a user-controlled hostname is validated in Python, but the Playw...

CVE-2026-87995 Open WebUI: Same-origin XSS to account takeover via terminal port-preview iframe hardcoding allow-same-origin

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.8.11 until 0.11.1, src/lib/components/chat/FileNav/PortPreview.svelte rendered terminal port content in an iframe sandbox containing both allow-scripts and allow-same-origin. Because the terminal proxy...

CVE-2026-87016 Open WebUI: Sign-in as another user via wildcard characters in the OAuth subject claim on SQLite

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.6.41 until 0.11.1, getuserbyoauthsub and getuserbyscimexternalid in backend/openwebui/models/users.py used JSON contains matching that compiled to SQL LIKE substring matching on SQLite. An OAuth subject...

CVE-2026-87012

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.9.0 until 0.11.1, backend/openwebui/models/calendar.py stored the calendar event meta.alertminutes value without type validation and the shared upcoming-event scheduler compared that value numerically. An...

CVE-2026-79387

SQL injection vulnerability in PbootCMS versions 3.2.0 through 3.2.5 allows an authenticated user to modify arbitrary user account fields including passwords and roles via crafted parameters to the User/mod interface, enabling account takeover...

CVE-2026-87013 Open WebUI: Any authenticated user can start a non-terminating request via a folder parent cycle

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.10.0 until 0.11.1, POST /api/v1/folders/id/update/parent allowed a user to place a folder under itself or one of its descendants, while the folder tree walks used by DELETE /api/v1/folders/id and POST...

CVE-2026-87013 Open WebUI: Any authenticated user can start a non-terminating request via a folder parent cycle

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.10.0 until 0.11.1, POST /api/v1/folders/id/update/parent allowed a user to place a folder under itself or one of its descendants, while the folder tree walks used by DELETE /api/v1/folders/id and POST...

CVE-2026-19816

A flaw was found in PackageKit. In the dnf5 backend, the RepoRemove handler ignores the SIMULATE transaction flag and executes a real package removal, allowing an unprivileged local user to uninstall packages without polkit authorization. Mitigation Red Hat is not aware of a practical temporary...

CVE-2026-87012

Open WebUI (a self-hosted AI platform) is affected in versions 0.9.0 through 0.11.1 by a type-validation flaw in backend/open_webui/models/calendar.py. The meta.alert_minutes field was stored without type validation while the shared upcoming-event scheduler compared it numerically. An authenticat...

CVE-2026-87012 Open WebUI: Any authenticated user can suppress calendar alerts instance-wide via a non-numeric alert value

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.9.0 until 0.11.1, backend/openwebui/models/calendar.py stored the calendar event meta.alertminutes value without type validation and the shared upcoming-event scheduler compared that value numerically. An...

CVE-2026-61911

An issue was discovered in Cyrus IMAP before 3.12.4. There is a Sieve mailbox existence oracle. An authenticated user could install a Sieve script that probed whether another user's private mailbox existed, or read the value of shared mailbox annotations, by observing which fileinto branch fired...

DEBIAN-CVE-2026-61909

An issue was discovered in Cyrus IMAP before 3.12.4. CalDAV/CardDAV multiget bypasses a per-href ACL. An authenticated DAV user with some shared access to another user's calendar or address book could read even unshared events or contacts by including the target hrefs in a calendar-multiget or...

CVE-2026-61908

An issue was discovered in Cyrus IMAP before 3.12.4. A JMAP email-header blob ID can reference an out-of-bounds index. An authenticated user could attempt to download a crafted JMAP blob ID of the form H-, which could read past the end of the internal blobheaders array during download, exposing...

CVE-2026-54694 NationalSecurityAgency/skills-service has Stored XSS via User Registration Enabling Admin Account Takeover

SkillTree is a micro-learning gamification platform. Prior to version 4.4.2, two independent code flaws combine into a single exploitable attack chain, with three distinct exploitation paths of escalating impact. StringHighlighter.js builds an HTML string by interpolating raw value substrings...

CVE-2026-54694

CVE-2026-54694 affects SkillTree (NationalSecurityAgency/skills-service), a micro-learning gamification platform, in versions prior to 4.4.2 . Two flaws chain into a Stored XSS that enables admin account takeover : StringHighlighter.js interpolates unencoded user input into HTML rendered via v-ht...

DRUPAL-CONTRIB-2026-146

This module allows you to configure your Drupal site as a SAML 2.0 Service Provider so that users can authenticate through an external identity provider. The module does not sufficiently sanitize user-supplied data before displaying it in generated HTML leading to a cross-site scripting...

CVE-2026-87853

A flaw was found in SSSD's IdP authentication provider. The evalaccesstokenbuf function compares the OIDC subject identifier using strncmp with the authenticated user's identifier length, performing a prefix comparison instead of an exact match. An attacker whose IdP identifier is a strict prefix...