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-2026-61908

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-2026-61911

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-2026-54694 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...

DRUPAL-CONTRIB-2026-138

This module enables you to add key-based authentication on a per-user basis. The module doesn't cache per user, potentially allowing an attacker to view another user's authentication keys, if the attacker has the same permissions. This vulnerability is mitigated by the fact that the site must hav...

CVE-2026-47156

MantisBT is an open source bug tracker. Versions 2.28.3 and earlier contain a critical authentication bypass in the SOAP API's mcichecklogin function. Any user knowing any valid cookiestring can authenticate as any other user knowing their username, including the administrator, without knowing th...