CVE-2026-59714

creationtimestamp| type| source ---|---|--- 2026-07-24 18:35:10+00:00| published-proof-of-concept| https://github.com/open-webui/open-webui/security/advisories/GHSA-x2ff-v5v8-m75m...

CVE-2026-59222

creationtimestamp| type| source ---|---|--- 2026-07-24 18:35:03+00:00| published-proof-of-concept| https://github.com/open-webui/open-webui/security/advisories/GHSA-gh7p-78x6-jw6m...

EUVD-2026-42631

Open WebUI: /api/v1/channels/id/members exposes full user model including sensitive credentials...

GHSA-73X5-H92W-XC2J Open WebUI: Private channel messages can be disclosed through cross-channel thread parent_id binding

Summary A normal authenticated user can read the content of a message in a private channel they do not belong to. GET /api/v1/channels/id/messages/messageid/thread authorizes the caller against the URL channel, but the underlying thread lookup loads the thread parent by id and returns it without...

EUVD-2026-42630

Open WebUI: Private channel messages can be disclosed through cross-channel thread parentid binding...

EUVD-2026-42629

Open WebUI: Cross-user model-list exposure via static cache key in getallmodels aiocache key= vs keybuilder= misuse...

EUVD-2026-42628

Open WebUI: Upload metadata.knowledgeid bypasses the knowledge-base write-access check read-only users can add files to KB...

EUVD-2026-42627

Open WebUI: Cross-user code-interpreter and tool execution via unvalidated Socket.IO event-caller sessionid...

Missing Authorization

Overview open-webui is an Open WebUI Affected versions of this package are vulnerable to Missing Authorization through the chat completion process. An attacker can overwrite messages in channels they do not belong to, including private and direct message channels, by supplying a crafted chatid an...

EUVD-2026-42625

Open WebUI: Realtime endpoints accept Redis-revoked JWTs after signout/backchannel logout...

EUVD-2026-42618

Open WebUI: POST /api/v1/images/edit bypasses the global image-edit switch and the per-user image-generation permission...

GHSA-FFPJ-XV5C-P3GW Open WebUI: ReDoS in skill-mention regexes causes whole-instance DoS on default config

Summary Two regexes in backend/openwebui/utils/middleware.py that parse skill-mention tags backtrack in On² on input that contains . Both run synchronously, on the asyncio event loop, on every chat completion with no feature gate. Because the default deployment is a single uvicorn worker, one suc...

EUVD-2026-42620

Open WebUI: Scheduled automations continue after pending-user deactivation and stored model ACL revocation...

EUVD-2026-42617

Open WebUI: Account enumeration via observable login timing discrepancy...

EUVD-2026-42616

Open WebUI: Stored web worker XSS via Pyodide...

CVE-2026-66032

libssh2 through 1.11.1, fixed in commit 5e47761, contains a double-free vulnerability in the sftpopen function in src/sftp.c that allows a malicious SSH server to corrupt the heap of any authenticated client opening an SFTP session. When a server responds to SSHFXPOPEN with SSHFXPSTATUS containin...

CVE-2026-66032

libssh2

EUVD-2026-48719

libssh2 through 1.11.1, fixed in commit 5e47761, contains a double-free vulnerability in the sftpopen function in src/sftp.c that allows a malicious SSH server to corrupt the heap of any authenticated client opening an SFTP session. When a server responds to SSHFXPOPEN with SSHFXPSTATUS containin...

CVE-2026-66032

libssh2 through 1.11.1, fixed in commit 5e47761, contains a double-free vulnerability in the sftpopen function in src/sftp.c that allows a malicious SSH server to corrupt the heap of any authenticated client opening an SFTP session. When a server responds to SSHFXPOPEN with SSHFXPSTATUS containin...

SUSE CVE-2026-63317

Arbitrary Class Instantiation via XML Feature Generator Descriptor and Format Name in Apache OpenNLP Versions Affected: - before 2.5.10 - before 3.0.0-M5 Description: Three code paths in Apache OpenNLP load a class by its fully-qualified name via Class.forName and invoke its no-arg constructor...