GHSA-GF8H-GQ53-288J OpenAM: WebAuthn Java deserialization RCE via ObjectInputFilter depth>1 bypass

Summary The GHSA-6c99-87fr-6q7r fix wrapped WebAuthn authenticator deserialization in an ObjectInputFilter meant to allow only AuthenticatorImpl, but it short-circuits to ALLOWED for any object at stream depth 1. Because the Java serialization filter is consulted for every class in the graph and...

EUVD-2026-42650

open-webui terminal proxy path traversal guard bypass via 9x encoded traversal...

EUVD-2026-42639

Open WebUI: Arena task endpoints can bypass underlying model access controls...

EUVD-2026-42633

Open WebUI: WEBFETCHFILTERLIST host allow/block filter bypassable via URL path and non-label-boundary matching...

GHSA-QG3F-8X3J-GGF2 Open WebUI: `WEB_FETCH_FILTER_LIST` host allow/block filter bypassable via URL path and non-label-boundary matching

Summary The administrator-configured WEBFETCHFILTERLIST the allow/block list applied to server-side web fetches: RAG URL ingestion, URL-to-markdown, web-search content fetch matches hostnames incorrectly, so the filter can be bypassed. Details isstringallowed backend/openwebui/utils/misc.py match...

Cloudreve: Path Traversal in WOPI PUT_RELATIVE Allows Arbitrary File Creation in Owner Account

Summary Cloudreve's WOPI PUTRELATIVE handler treats X-WOPI-SuggestedTarget as a path, not a filename. It splits the header on / and joins the segments onto the source file's directory with URI.JoinRaw, which feeds Go's url.JoinPath. url.JoinPath resolves ./.. segments, so a slash-bearing target...

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-2026-48733

In epa4all, prior to version 2026-05-20, an attacker who can intercept the TLS connection between epa4all and the ePA backend can complete the VAU handshake with attacker-controlled keys and obtain the session encryption keys. All inner HTTP traffic patient consent decisions, medication data,...

CVE-2026-65711

sysPass through version 3.2.11 contains an OS command injection vulnerability that allows authenticated administrators to execute arbitrary commands as the web server process user by setting a malicious backup path and triggering a backup. The FileBackupService builds a tar shell command via stri...

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...

EUVD-2026-42625

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

GHSA-855V-HQ7W-JMJW Open WebUI: Realtime endpoints accept Redis-revoked JWTs after signout/backchannel logout

Summary With Redis configured, Open WebUI supports JWT revocation: POST /api/v1/auths/signout per-token jti and OIDC back-channel logout per-user revokedat record revocations in Redis, and HTTP auth getcurrentuser rejects revoked tokens with 401. The realtime authentication surfaces do not perfor...

EUVD-2026-42621

Open WebUI: ReDoS in skill-mention regexes causes whole-instance DoS on default config...

EUVD-2026-42617

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

GHSA-4R2P-27MH-5M22 Open WebUI: Stored web worker XSS via Pyodide

Title: Same-origin Pyodide code execution allows server-side RCE via a shared chat Summary Open WebUI runs client-side Python Pyodide in a same-origin web worker. Through Pyodide's JavaScript API pyodide.http.pyfetch, or the js module which exposes the page's fetch / XMLHttpRequest executed Pytho...

K000162436: Spring Web Flow vulnerability CVE-2026-40985

Security Advisory Description Applications that configure the WebFlowELExpressionParser are vulnerable to the use of malicious Unified EL expressions. Affected versions: Spring Web Flow 4.0.0; 3.0.0 through 3.0.1; 2.5.0 through 2.5.1. CVE-2026-40985 Impact There is no impact; F5 products are not...

Updated transmission packages fix a security vulnerability

The updated packages fix a security vulnerability: Transmission through 4.1.1 was found to have a clickjacking weakness in the browser-facing WebUI and RPC response paths. CVE-2026-38978...

CVE-2026-57106

creationtimestamp| type| source ---|---|--- 2026-07-24 15:50:05+00:00| seen| https://bsky.app/profile/stackflag.bsky.social/post/3mrfpdryc7w2y 2026-07-24 17:01:10+00:00| seen| https://bsky.app/profile/thehackerwire.bsky.social/post/3mrftcvc72z2j 2026-07-25 06:14:27+00:00| seen|...