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CVE-2026-109298

Open WebUI 0.11.0 before 0.11.4 Memory Exhaustion via Knowledge Search Regex

Open WebUI 0.11.0 before 0.11.4 compiles user-chosen grep patterns for its knowledge and chat file search tools with a regex engine that expands nested counted repetition unbounded at compile time and caches the result. Authenticated users can have the model call grep_knowledge_files with short nested-repetition patterns, blocking the event loop and exhausting worker memory.

CVSS 4.0 · 7.1 High EPSS < 1% KEV · Not listed
Vendors
Openwebui
Products
Open Webui
CVE-2026-109297

Open WebUI 0.11.0 before 0.11.4 Denial of Service via Automation Recurrence Rules

Open WebUI 0.11.0 before 0.11.4 contains a denial of service vulnerability in the automation recurrence-rule validator, whose sub-daily frequency guard parses rule text more strictly than the calendar library that executes it. Users permitted to create automations can submit whitespace-folded rules (or, in 0.11.0, lowercase frequencies or omitted RRULE prefixes) that expand per-second synchronously, blocking the shared event loop for minutes per request and on every scheduler poll.

CVSS 4.0 · 7.1 High EPSS < 1% KEV · Not listed
Vendors
Open-webui Openwebui
Products
Open-webui Open Webui
CVE-2026-109296

Open WebUI before 0.11.4 Missing Authorization via Backend Index on Model Routes

Open WebUI before 0.11.4 contains a missing authorization vulnerability that allows authenticated users to reach disabled model provider backends by supplying an explicit backend index. Attackers can pass the index as a path segment or query parameter on Ollama and OpenAI-compatible listing routes to trigger requests carrying configured API keys, read version strings, and enumerate connections.

CVSS 4.0 · 5.3 Medium EPSS < 1% KEV · Not listed
Vendors
Openwebui
Products
Open Webui
CVE-2026-109295

Open WebUI 0.11.0 before 0.11.4 ReDoS via grep_knowledge_files Event Loop

Open WebUI from 0.11.0 before 0.11.4 contains a regular expression denial of service vulnerability that allows authenticated users to stall server workers via file search patterns. Attackers can instruct the model to call grep_knowledge_files or grep_chat_files with a catastrophically backtracking regex, blocking the event loop for two seconds per repeated call.

CVSS 4.0 · 5.3 Medium EPSS < 1% KEV · Not listed
Vendors
Openwebui
Products
Open Webui
CVE-2026-109294

Open WebUI 0.6.42 before 0.11.4 Memory Exhaustion via Compressed Remote Image

Open WebUI from 0.6.42 before 0.11.4 contains an uncontrolled resource consumption vulnerability that allows authenticated users to exhaust server memory by supplying compressed remote image URLs in chat messages. Attackers can point the image field at a host returning gzip-encoded responses, which get_image_base64_from_url decompresses unbounded, causing denial of service for all users.

CVSS 4.0 · 7.1 High EPSS < 1% KEV · Not listed
Vendors
Openwebui
Products
Open Webui
CVE-2026-109290

Open WebUI 0.11.1 before 0.11.4 Stored XSS via DOCX Preview

Open WebUI from 0.11.1 before 0.11.4 contains a stored cross-site scripting vulnerability in DocxPreview.svelte that allows authenticated users to execute script by uploading crafted DOCX attachments. Attackers can embed an OOXML altChunk HTML part or script-scheme hyperlink to steal a previewing administrator's session token from local storage and take over the instance.

CVSS 4.0 · 8.4 High EPSS < 1% KEV · Not listed
Vendors
Open-webui Openwebui
Products
Open-webui Open Webui
CVE-2026-109287

Open WebUI 0.9.6 before 0.11.4 Information Disclosure via Unscoped Directory ID

Open WebUI from 0.9.6 before 0.11.4 contains an authorization flaw where the knowledge base file listing does not verify that a supplied directory_id belongs to the requested knowledge base. Users with read access to any knowledge base can supply a retained foreign directory UUID to GET /api/v1/knowledge/{id}/files. The returned breadcrumbs expose folder names, owner user ids and knowledge base ids of that directory and all its ancestors.

CVSS 4.0 · 5.3 Medium EPSS < 1% KEV · Not listed
Vendors
Open-webui Openwebui
Products
Open-webui Open Webui
CVE-2026-79887

Authentication Bypass in Web Interface of AOS-8 allows Remote Command Execution (RCE)

A vulnerability in the web interface of AOS-8 could allow an unauthenticated remote attacker to achieve remote code execution. Successful exploitation could lead to complete device control, enabling interception of network traffic and potential compromise of connected systems.

CVSS 3.1 · 8.1 High EPSS < 1% KEV · Not listed
Vendors
Hpe
Products
Aos
CVE-2026-95712

Unauthenticated Adjacent Sensitive Information Disclosure and Denial-of-Service in AOS-8 via the PAPI Protocol

A sensitive information disclosure vulnerability in the PAPI protocol of AOS-8 could allow an unauthenticated adjacent attacker to access limited information handled by the affected service. Successful exploitation could allow an attacker to view some information and to disrupt the availability of the affected service.

CVSS 3.1 · 7.1 High EPSS < 1% KEV · Not listed
Vendors
Hpe
Products
Aos
CVE-2026-88785

Simple Membership < 4.8.3 - Newly Registered Member Password Disclosure via URL Query String

The Simple Membership WordPress plugin before 4.8.3 does not avoid transmitting a newly registered member's plaintext password in a URL query string when an optional auto-login-after-registration feature is enabled, exposing the credential in browser history and in web server, proxy, and CDN access logs to anyone able to read them.

CVSS 3.1 · 4.7 Medium EPSS < 1% KEV · Not listed
Vendors
Wordpress-extensions
Products
Simple Membership
CVE-2026-91419

Local Privilege Escalation in Oracle HTTP Server OSSL Module allows Server Takeover

Vulnerability in the Oracle HTTP Server product of Oracle Fusion Middleware (component: OSSL Module). The supported version that is affected is 12.2.1.4.0. Easily exploitable vulnerability allows low privileged attacker with logon to the infrastructure where Oracle HTTP Server executes to compromise Oracle HTTP Server. Successful attacks of this vulnerability can result in takeover of Oracle HTTP Server. CVSS 3.1 Base Score 7.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H).

CVSS 3.1 · 7.8 High EPSS < 1% KEV · Not listed
Vendors
Oracle
Products
Http Server
CVE-2026-91415

openjdk: Enhance font rendering (Oracle CPU 2026-10)

Vulnerability in the Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: 2D). Supported versions that are affected are Oracle Java SE: 8u503, 8u503-perf, 11.0.32.1, 17.0.20.1, 21.0.12.1, 25.0.4.1, 27; Oracle GraalVM for JDK: 17.0.20.1 and 21.0.12.1; Oracle GraalVM Enterprise Edition: 21.3.19.1.1. Difficult to exploit vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition as well as unauthorized update, insert or delete access to some of Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition accessible data and unauthorized read access to a subset of Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition accessible data. Note: This vulnerability can be exploited by using APIs in the specified Component, e.g., through a web service which supplies data to the APIs. This vulnerability also applies to Java deployments, typically in clients running sandboxed Java Web Start applications or sandboxed Java applets, that load and run untrusted code (e.g., code that comes from the internet) and rely on the Java sandbox for security. CVSS 3.1 Base Score 7.0 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:H).

CVSS 3.1 · 7 High EPSS < 1% KEV · Not listed
Vendors
Oracle
Products
Graalvm Graalvm Enterprise Edition Graalvm For Jdk and 2 more
CVE-2026-56837

PraisonAI LinearBot processes unsigned webhooks when LINEAR_WEBHOOK_SECRET is missing

PraisonAI is a multi-agent teams system. From version 4.6.56 to before version 4.6.59, PraisonAI's LinearBot starts a public webhook listener on 0.0.0.0 and treats LINEAR_WEBHOOK_SECRET as optional. When the secret is absent, startup only logs a warning and _handle_webhook() skips Linear-Signature verification entirely. An unauthenticated network caller who can reach the webhook endpoint can submit a forged Linear-Event: AgentSession request. The forged request is parsed, scheduled for background processing, dispatched to _handle_agent_session(), and passed into BotSessionManager.chat(). The bot then attempts to post the agent response back to Linear under the configured bot token. The PoV is offline and deterministic. It does not contact Linear. It calls the webhook handler directly, monkey-patches the outbound Linear comment path, and proves both sides of the boundary. This issue has been patched in version 4.6.59.

CVSS 3.1 · 8.6 High EPSS < 1% KEV · Not listed
Vendors
Mervinpraison
Products
Praisonai
CVE-2026-56833

PraisonAI Dynamic Context history and terminal tools read files outside configured storage via path traversal

PraisonAI is a multi-agent teams system. From version 3.8.1 to before version 4.6.59, PraisonAI's Dynamic Context module provides filesystem-backed history and terminal-log storage. The module also exports agent-callable tool factories. Those tools accept run_id and agent_id arguments from the tool caller. The underlying stores join those values into filesystem paths without rejecting absolute paths or .. traversal. Because run_id can be an absolute path and agent_id can contain traversal, a lower-trust prompt/user that can call these tools can read .jsonl and .log files outside the configured Dynamic Context base directory. This issue has been patched in version 4.6.59.

CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
Vendors
Mervinpraison
Products
Praisonai
CVE-2026-55835

Lookyloo: Potential sub-system DoS due to parameter missmatch in notification

Lookyloo is a web interface that allows users to capture a website page and then display a tree of domains that call each other. Prior to version 1.39.4, an unauthenticated user can trigger Lookyloo's "report a capture" email on demand (this is expected). The /json/<uuid>/report API endpoint (CaptureReport) is incorrectly passing the email and comment parameters, overwriting as_admin. When True, as_admin will trigger a search query on a MISP instance (if configured) and add a list of matching URLs in the email sent to the analyst (not the submitter, so there is no risk of leaking information) . It could potentially cause a DoS on the MISP instance. This issue has been patched in version 1.39.4.

CVSS 4.0 · 6.9 Medium EPSS < 1% KEV · Not listed
Vendors
Lookyloo
Products
Lookyloo
CVE-2026-115537

gedelumbung HospitalManagement URL Validation routing_pages.php simpan redirect

A weakness has been identified in gedelumbung HospitalManagement up to c2d45543789a3887067d3915f69d44cfc2cf76a8. This affects the function simpan of the file application/modules/admin/controllers/routing_pages.php of the component URL Validation. This manipulation of the argument url_route causes open redirect. It is possible to initiate the attack remotely. The exploit has been made available to the public and could be used for attacks. This product is using a rolling release to provide continious delivery. Therefore, no version details for affected nor updated releases are available. The project was informed of the problem early through an issue report but has not responded yet.

CVSS 4.0 · 5.3 Medium EPSS < 1% KEV · Not listed
Vendors
Gedelumbung
Products
Hospitalmanagement
CVE-2026-115534

gedelumbung HospitalManagement Contact Form contact.php kirim cross site scripting

A vulnerability was determined in gedelumbung HospitalManagement up to c2d45543789a3887067d3915f69d44cfc2cf76a8. Impacted is the function kirim of the file application/modules/web/controllers/contact.php of the component Contact Form. Executing a manipulation of the argument nama/email/alamat/telepon/pesan can lead to cross site scripting. The attack can be executed remotely. The exploit has been publicly disclosed and may be utilized. This product implements a rolling release for ongoing delivery, which means version information for affected or updated releases is unavailable. The project was informed of the problem early through an issue report but has not responded yet.

CVSS 4.0 · 5.3 Medium EPSS < 1% KEV · Not listed
Vendors
Gedelumbung
Products
Hospitalmanagement
CVE-2026-115506

libexpat through 2.9.0 Denial of Service via Billion Laughs Detection Delay

libexpat through 2.9.0 contains a denial of service vulnerability because billion laughs protection in accountingDiffTolerated() in xmlparse.c detects entity amplification too late. Attackers can supply a moderately sized XML document with a large DTD and nested entity expansions to consume tens of seconds of CPU per parse.

CVSS 4.0 · 8.7 High EPSS < 1% KEV · Not listed
Vendors
Libexpat Project
Products
Libexpat
CVE-2026-115360

OpenBao before 2.6.3 Open Redirect via OIDC Identity Provider UI

OpenBao before 2.6.3 contains an open redirect vulnerability in the UI's OIDC identity provider that affects users not authenticated to OpenBao. Attackers can craft OIDC links that redirect unauthenticated users to attacker-controlled destinations, enabling phishing or credential theft.

CVSS 4.0 · 5.3 Medium EPSS < 1% KEV · Not listed
Vendors
Openbao
Products
Openbao
CVE-2026-115352

Mistune before 3.3.0 Quadratic-Time DoS via Unmatched Brackets in Inline Parser

Mistune before 3.3.0 contains an algorithmic complexity vulnerability in the inline link parser that allows unauthenticated attackers to exhaust CPU by submitting long runs of unmatched '[' characters. Attackers can send small markdown payloads that trigger O(N^2) parse_link_text and parse_link_label probing, occupying rendering workers for 30+ seconds per 16 KB input.

CVSS 4.0 · 8.7 High EPSS < 1% KEV · Not listed
Vendors
Mistune Project
Products
Mistune