PYSEC-2026-3604 Open WebUI: POST /api/v1/images/edit bypasses the global image-edit switch and the per-user image-generation permission

Summary POST /api/v1/images/edit performed no authorization beyond requiring a verified account. Every other image-editing surface in Open WebUI enforces the global image-edit switch and the per-user image-generation permission — the /api/v1/images/generations route, the built-in editimage tool,...

PYSEC-2026-3595 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...

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

SummaryTwo 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 such...

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

SummaryAn authenticated low-privilege user can execute arbitrary code-interpreter Python and tools inside another user's authenticated session. The Socket.IO event-caller geteventcall delivers execute:python / execute:tool events to a client-supplied sessionid after only checking that the session...

PYSEC-2026-3594 Open WebUI: Account enumeration via observable login timing discrepancy

Summary The /api/v1/auths/signin endpoint leaked whether an email address belonged to a registered account through a response-time side channel. Password verification ran bcrypt only when the email was found in the database; for a non-existent email the request returned early without hashing. The...

PYSEC-2026-3596 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...

PYSEC-2026-3587 ONNX: Heap-Buffer-Overflow READ in Gemm Version Converter Adapter via Undersized Input Shape

Summary Heap-buffer-overflow READ 16 bytes in Gemm76::adaptgemm76 onnx/versionconverter/adapters/gemm76.h:41 when ConvertVersion processes a model with a Gemm node whose input tensors have fewer than 2 dimensions. The adapter accesses Bshape1 without checking rank. On Release builds the OOB read ...

CVE-2026-14219

URL redirection to untrusted site 'open redirect' vulnerability in Bilin Software and Informatics Consultancy Inc. HUMANIST Digital Human Resources allows Phishing. This issue affects HUMANIST Digital Human Resources: from 26.0 before 26.1...

CVE-2026-18772

Improperly controlled sequential memory allocation vulnerability in Samsung Open Source rlottie allows Exponential Data Expansion...

golang: archive/zip: Excessive CPU consumption when building archive index in archive/zip

A flaw was found in the archive/zip package in the Go standard library. A super-linear file name indexing algorithm is used in the first time a file in an archive is opened. A crafted zip archive containing a specific arrangement of file names can cause an excessive CPU and memory consumption. A ...

CVE-2026-14219

URL redirection to untrusted site 'open redirect' vulnerability in Bilin Software and Informatics Consultancy Inc. HUMANIST Digital Human Resources allows Phishing. This issue affects HUMANIST Digital Human Resources: from 26.0 before 26.1...

EUVD-2026-52650

URL redirection to untrusted site 'open redirect' vulnerability in Bilin Software and Informatics Consultancy Inc. HUMANIST Digital Human Resources allows Phishing. This issue affects HUMANIST Digital Human Resources: from 26.0 before 26.1...

CVE-2026-14219 URL Redirection in Bilin Software's HUMANIST Digital Human Resources

URL redirection to untrusted site 'open redirect' vulnerability in Bilin Software and Informatics Consultancy Inc. HUMANIST Digital Human Resources allows Phishing. This issue affects HUMANIST Digital Human Resources: from 26.0 before 26.1...

CVE-2026-18772

Improperly controlled sequential memory allocation vulnerability in Samsung Open Source rlottie allows Exponential Data Expansion...

EUVD-2026-52647

Improper input validation vulnerability in Samsung Open Source rlottie allows Oversized Serialized Data Payloads...

CVE-2026-18772

Improperly controlled sequential memory allocation vulnerability in Samsung Open Source rlottie allows Exponential Data Expansion...

CVE-2026-18772

Improperly controlled sequential memory allocation vulnerability in Samsung Open Source rlottie allows Exponential Data Expansion...

CVE-2026-16296 Clearfy < 2.4.3 - Open Redirect via Cyrlitera 404 Handler

The Clearfy Cache WordPress plugin before 2.4.3 does not validate the redirect target in its Cyrlitera old-URL redirect handler, passing a decoded request URI to an unsafe redirect function, which allows unauthenticated attackers to redirect visitors to an arbitrary external URL when a non-defaul...

CVE-2026-16296

The Clearfy Cache WordPress plugin before 2.4.3 does not validate the redirect target in its Cyrlitera old-URL redirect handler, passing a decoded request URI to an unsafe redirect function, which allows unauthenticated attackers to redirect visitors to an arbitrary external URL when a non-defaul...

EUVD-2026-52592

The Contest Gallery WordPress plugin before 30.0.7 does not perform any capability or nonce check in one of its handlers, allowing any authenticated user down to Subscriber to read the site's entire stored OpenAI prompt history...