CVE-2026-6592 | ComfyUI up to 0.13.0 userdata Endpoint app/user_manager.py getuserdata cross site scripting

VDB-358227 · SUBMIT #791113 · CVE-2026-6592 COMFYUI UP TO 0.13.0 USERDATA ENDPOINT APP/USER_MANAGER.PY GETUSERDATA CROSS SITE SCRIPTING HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 3.2 $0-$5k 2.63+ Summaryinfo A vulnerability identified as problematic has been detected in ComfyUI up to 0.13.0. Affected by this issue is the function getuserdata of the file app/user_manager.py of the component userdata Endpoint. Performing a manipulation results in cross site scripting. This vulnerability is reported as CVE-2026-6592. The attack is possible to be carried out remotely. Moreover, an exploit is present. The vendor was contacted early about this disclosure but did not respond in any way. Detailsinfo A vulnerability classified as problematic has been found in ComfyUI up to 0.13.0. This affects the function getuserdata of the file app/user_manager.py of the component userdata Endpoint. The manipulation with an unknown input leads to a cross site scripting vulnerability. CWE is classifying the issue as CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. This is going to have an impact on integrity. It is possible to read the advisory at gist.github.com. This vulnerability is uniquely identified as CVE-2026-6592. The exploitability is told to be easy. It is possible to initiate the attack remotely. It demands that the victim is doing some kind of user interaction. Technical details and a public exploit are known. The attack technique deployed by this issue is T1059.007 according to MITRE ATT&CK. The exploit is shared for download at gist.github.com. It is declared as proof-of-concept. The vendor was contacted early about this disclosure but did not respond in any way. There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product. Productinfo Name ComfyUI Version 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 0.10 0.11 0.12 0.13.0 CPE 2.3info 🔒 🔒 🔒 CPE 2.2info 🔒 🔒 🔒 CVSSv4info VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv3info VulDB Meta Base Score: 3.5 VulDB Meta Temp Score: 3.2 VulDB Base Score: 3.5 VulDB Temp Score: 3.2 VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv2info Vector Complexity Authentication Confidentiality Integrity Availability Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock VulDB Base Score: 🔒 VulDB Temp Score: 🔒 VulDB Reliability: 🔍 Exploitinginfo Class: Cross site scripting CWE: CWE-79 / CWE-94 / CWE-74 CAPEC: 🔒 ATT&CK: 🔒 Physical: No Local: No Remote: Yes Availability: 🔒 Access: Public Status: Proof-of-Concept Download: 🔒 Price Prediction: 🔍 Current Price Estimation: 🔒 0-Day Unlock Unlock Unlock Unlock Today Unlock Unlock Unlock Unlock Threat Intelligenceinfo Interest: 🔍 Active Actors: 🔍 Active APT Groups: 🔍 Countermeasuresinfo Recommended: no mitigation known Status: 🔍 0-Day Time: 🔒 Timelineinfo 04/19/2026 Advisory disclosed 04/19/2026 +0 days VulDB entry created 04/19/2026 +0 days VulDB entry last update Sourcesinfo Advisory: gist.github.com Status: Not defined CVE: CVE-2026-6592 (🔒) GCVE (CVE): GCVE-0-2026-6592 GCVE (VulDB): GCVE-100-358227 scip Labs: https://www.scip.ch/en/?labs.20161013 Entryinfo Created: 04/19/2026 11:49 Changes: 04/19/2026 11:49 (56) Complete: 🔍 Submitter: Eric-c Cache ID: 99:A7A:101 Submitinfo Accepted Submit #791113: comfyanonymous ComfyUI <= 0.13.0 (commit 88e63705) Cross-Site Scripting (CWE-79) (by Eric-c) Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸