CVE-2026-6593 | ComfyUI up to 0.13.0 View Endpoint server.py cross site scripting

VDB-358228 · SUBMIT #791114 · CVE-2026-6593 COMFYUI UP TO 0.13.0 VIEW ENDPOINT SERVER.PY CROSS SITE SCRIPTING HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 3.2 $0-$5k 2.48+ Summaryinfo A vulnerability labeled as problematic has been found in ComfyUI up to 0.13.0. This affects an unknown part of the file server.py of the component View Endpoint. Executing a manipulation can lead to cross site scripting. This vulnerability appears as CVE-2026-6593. The attack may be performed from remote. In addition, an exploit is available. The vendor was contacted early about this disclosure but did not respond in any way. Detailsinfo A vulnerability classified as problematic was found in ComfyUI up to 0.13.0. This vulnerability affects an unknown part of the file server.py of the component View Endpoint. The manipulation with an unknown input leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect integrity. The advisory is shared for download at gist.github.com. This vulnerability was named CVE-2026-6593. The exploitation appears to be easy. The attack can be initiated remotely. Successful exploitation requires user interaction by the victim. Technical details and also a public exploit are known. The MITRE ATT&CK project declares the attack technique as T1059.007. It is possible to download the exploit 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-2026-6593 (🔒) GCVE (CVE): GCVE-0-2026-6593 GCVE (VulDB): GCVE-100-358228 scip Labs: https://www.scip.ch/en/?labs.20161013 Entryinfo Created: 04/19/2026 11:49 Changes: 04/19/2026 11:49 (55) Complete: 🔍 Submitter: Eric-c Cache ID: 99:636:101 Submitinfo Accepted Submit #791114: 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 ▸