CVE-2026-6590 | ComfyUI up to 0.13.0 Model Preview Endpoint app/model_manager.py get_model_preview path traversal

VDB-358225 · SUBMIT #791109 · CVE-2026-6590 COMFYUI UP TO 0.13.0 MODEL PREVIEW ENDPOINT APP/MODEL_MANAGER.PY GET_MODEL_PREVIEW PATH TRAVERSAL HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 3.9 $0-$5k 2.79+ Summaryinfo A vulnerability was found in ComfyUI up to 0.13.0. It has been rated as critical. Affected is the function get_model_preview of the file app/model_manager.py of the component Model Preview Endpoint. This manipulation causes path traversal. This vulnerability is registered as CVE-2026-6590. Remote exploitation of the attack is possible. Furthermore, an exploit is available. The vendor was contacted early about this disclosure but did not respond in any way. Detailsinfo A vulnerability was found in ComfyUI up to 0.13.0. It has been declared as problematic. Affected by this vulnerability is the function get_model_preview of the file app/model_manager.py of the component Model Preview Endpoint. The manipulation with an unknown input leads to a path traversal vulnerability. The CWE definition for the vulnerability is CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. As an impact it is known to affect confidentiality. The advisory is shared at gist.github.com. This vulnerability is known as CVE-2026-6590. The exploitation appears to be easy. The attack can be launched remotely. Technical details and also a public exploit are known. MITRE ATT&CK project uses the attack technique T1006 for this issue. 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: 4.3 VulDB Meta Temp Score: 3.9 VulDB Base Score: 4.3 VulDB Temp Score: 3.9 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: Path traversal CWE: CWE-22 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-2026-6590 (🔒) GCVE (CVE): GCVE-0-2026-6590 GCVE (VulDB): GCVE-100-358225 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: 99:158:101 Submitinfo Accepted Submit #791109: comfyanonymous ComfyUI <= 0.13.0 (commit 6648ab68) Path Traversal (CWE-22) (by Eric-c) Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸