EUVD-2026-97601

Open WebUI from 0.9.0 before 0.11.4 contains a denial of service vulnerability that allows authenticated users with automations permission to stall the instance by submitting unsatisfiable recurrence rules. Attackers can repeatedly send rules like February 30th to the automations create or update...

CVE-2026-109299

Open WebUI from 0.9.0 before 0.11.4 contains a denial of service vulnerability that allows authenticated users with automations permission to stall the instance by submitting unsatisfiable recurrence rules. Attackers can repeatedly send rules like February 30th to the automations create or update...

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 rul...

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 rul...

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 rul...

CVE-2026-109297

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 rul...

EUVD-2026-97600

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 grepknowledgefiles with short...

CVE-2026-109297

The Open WebUI application versions 0.11.0 before 0.11.4 are vulnerable to a Denial of Service (DoS) attack via the automation recurrence-rule validator . The root cause is a discrepancy where the sub-daily frequency guard parses rule text more strictly than the underlying calendar library used f...

EUVD-2026-97599

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 rul...

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 grepknowledgefiles or grepchatfiles with a catastrophically backtracking...

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 grepknowledgefiles or grepchatfiles with a catastrophically backtracking...

CVE-2026-109295

Open WebUI versions 0.11.0 through 0.11.3 are vulnerable to a Regular Expression Denial of Service (ReDoS) flaw. An authenticated user can exploit this by instructing the model to execute the grep_knowledge_files or grep_chat_files functions using a catastrophically backtracking regex . This acti...

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 grepknowledgefiles or grepchatfiles with a catastrophically backtracking...

PT-2026-110715

Name of the Vulnerable Software and Affected Versions Open WebUI versions 0.11.0 through 0.11.3 Description The software uses a regex engine for its knowledge and chat file search tools that expands nested counted repetition unbounded at compile time and caches the result. Authenticated users can...

PT-2026-110716

Open WebUI from 0.9.0 before 0.11.4 contains a denial of service vulnerability that allows authenticated users with automations permission to stall the instance by submitting unsatisfiable recurrence rules. Attackers can repeatedly send rules like February 30th to the automations create or update...

CVE-2026-109297: Uncontrolled Resource Consumption

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 rul...

CVE-2026-109563: Inefficient Regular Expression Complexity

N3.js before 2.11.1 contains a regular expression denial of service vulnerability in the N3Lexer number pattern that backtracks quadratically on long digit runs. Attackers can supply untrusted Turtle or N3 input containing long runs of digits that do not end a number, blocking the Node.js event...

CVE-2026-109299: Uncontrolled Resource Consumption

Open WebUI from 0.9.0 before 0.11.4 contains a denial of service vulnerability that allows authenticated users with automations permission to stall the instance by submitting unsatisfiable recurrence rules. Attackers can repeatedly send rules like February 30th to the automations create or update...

PT-2026-110714

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 rul...

CVE-2026-107391

music-metadata is a metadata parser for audio and video media files. In the public development revision introduced after 11.14.0, a development-branch regression in the MP4 stsd sample-description parser allows an attacker-controlled sample-entry size of zero to prevent the StsdAtom.get cursor fr...