CVE-2026-48034

CVE-2026-48034 affects Hulumi components used with Pulumi. Before v1.4.0, a bypass exists in the decoy-sibling mechanism: an unhardened raw S3 bucket could appear compliant when paired with five hardening siblings that reference a different bucket, allowing a bypass of access controls. The issue ...

CVE-2026-48034 HULUMI-H5 bypass via decoy sibling resources targeting a different bucket

Hulumi is an open-source toolkit that ships secure-by-default cloud and platform infrastructure components for Pulumi. Prior to version 1.4.0, there is a bypass via decoy sibling resources targeting a different bucket. This issue has been patched in version 1.4.0...

CVE-2026-48034

Hulumi is an open-source toolkit that ships secure-by-default cloud and platform infrastructure components for Pulumi. Prior to version 1.4.0, there is a bypass via decoy sibling resources targeting a different bucket. This issue has been patched in version 1.4.0...

WordPress Yoast SEO – Advanced SEO with real-time guidance and built-in AI plugin <= 28.0 - Authenticated (Author+) Stored Cross-Site Scripting vulnerability

Authenticated Author+ Stored Cross-Site Scripting vulnerability discovered by Dmitrii Ignatyev in WordPress Plugin Yoast SEO versions = 28.0...

CVE-2026-66035

libssh2 through 1.11.1, fixed in commit 42e33d8, contains a pre-authentication heap buffer overflow vulnerability that allows a malicious SSH server to corrupt heap metadata in any connecting client by sending a packet with a packetlength smaller than the cipher's block size during Encrypt-then-M...

EUVD-2026-42631

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

EUVD-2026-42630

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

Use of Cache Containing Sensitive Information

Overview open-webui is an Open WebUI Affected versions of this package are vulnerable to Use of Cache Containing Sensitive Information in the getallmodels process due to improper cache key configuration, which causes permission-filtered model lists to be shared across users. An attacker can acces...

EUVD-2026-42625

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

EUVD-2026-42623

Open WebUI: Unauthenticated WebSocket Access to Collaborative Document Handlers ydoc:awareness:update, ydoc:document:leave...

EUVD-2026-42618

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

EUVD-2026-42621

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

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-2026-42617

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

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...

GHSA-7RW5-9F7Q-XJ36 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...

CVE-2026-66035

libssh2 through 1.11.1, fixed in commit 42e33d8, contains a pre-authentication heap buffer overflow vulnerability that allows a malicious SSH server to corrupt heap metadata in any connecting client by sending a packet with a packetlength smaller than the cipher's block size during Encrypt-then-M...

Cross-site Request Forgery (CSRF)

Overview Affected versions of this package are vulnerable to Cross-site Request Forgery CSRF via the unstable RSC APIs. An attacker can execute unauthorized actions by tricking a user into submitting crafted requests. Note: This is only exploitable if the unstable RSC APIs are enabled in the...

GHSA-83W8-P2F5-377R @fastify/static vulnerable to route guard bypass via path traversal

Impact @fastify/static is vulnerable to a bypass of route-based middleware and guards via non-leading .. and %2E%2E path segments. find-my-way does not normalize .. when matching routes, so a request such as /foo/../deep/secret.txt matches the static plugin's catch-all instead of the guarded...

Arbitrary Argument Injection

Overview GitPython is a python library used to interact with Git repositories Affected versions of this package are vulnerable to Arbitrary Argument Injection via the checkunsafeoptions process. An attacker can execute arbitrary commands by smuggling a malicious option token inside the value of a...