CVE-2026-6592: Cross-site scripting vulnerability in ComfyUI userdata endpoint
ComfyUI
A cross-site scripting vulnerability affects ComfyUI up to version 0.13.0 within the getuserdata function of user_manager.py. The issue allows remote manipulation of user data endpoints.
disclosed CVENo confirmed exploitation, so this record is tracked as a disclosed vulnerability and not counted as an incident. It moves into the counts if CISA or the vendor confirms exploitation. Why
- CVSS
- 3.5
- EPSS
- <0.01 · top 77% · 2026-11-13
- fix status
- Fix status unknown
- first report
- 20 Apr 2026
- last update
- 20 Apr 2026
- CVE ids
Timeline · 1
Sources · 1
Advisories and databases
- 2026-04-20CVE-2026-6592: A vulnerability has been found in ComfyUI up to 0.13.0.NVD · nvd.nist.gov/vuln/detail/CVE-2026-6592
Titles and links belong to their publishers. The summary above is written by gcdRadar in its own words; data is CC BY-SA 4.0.
Classification
- lane
- Patch now
- AI role
- Attack on AI
- categories
- Infrastructure vulnerability
- severity
- 2 · Disclosed vulnerability
- fix status
- Fix status unknown
- targets
- Framework / tooling
- owasp llm top 10
- LLM03:2025 Supply Chain
- mitre atlas
- no technique for these categories
- tags
- xss
- dates
- happened 20 Apr 2026 · first reported 20 Apr 2026
- origin
- NVDVulnerability record from NVD / the GitHub Advisory Database. This product uses the NVD API but is not endorsed or certified by the NVD.
- record
- confidence 0.95 · created 2026-10-18 10:04Z · updated 2026-10-18 10:04Z
Lane, AI role, categories and severity come from the classifier; the OWASP and ATLAS rows are derived from the categories. How these are assigned
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the brief as text
# CVE-2026-6592: Cross-site scripting vulnerability in ComfyUI userdata endpoint https://gcdradar.vercel.app/incidents/cve-2026-6592-cross-site-scripting-vulnerability-in-comfyui · AIR-2026-1037 · closed 2026-04-20 - Lane: Patch now - Severity: 2 (Disclosed vulnerability) - Fix status: Fix status unknown - First reported: 2026-04-20 - AI role: Attack on AI - Products: ComfyUI - CVE ids: CVE-2026-6592 - CVSS: 3.5 ## Summary A cross-site scripting vulnerability affects ComfyUI up to version 0.13.0 within the getuserdata function of user_manager.py. The issue allows remote manipulation of user data endpoints. ## What to do No action recorded; read the sources below and the vendor's advisory. ## Latest updates - 2026-04-20: CVE-2026-6592: A vulnerability has been found in ComfyUI up to 0.13.0. (https://nvd.nist.gov/vuln/detail/CVE-2026-6592) ## Sources - 2026-04-20 NVD: CVE-2026-6592: A vulnerability has been found in ComfyUI up to 0.13.0. https://nvd.nist.gov/vuln/detail/CVE-2026-6592 Verify against the vendor's advisory before changing production. Data CC BY-SA 4.0, https://gcdradar.vercel.app.
Related
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Patch now · Disclosed · since 20 Apr 2026 · CVE-2026-6590
AI - closed4.3ComfyUI + custom nodes CVE-2026-6589: CSRF vulnerability in ComfyUI server
Patch now · Disclosed · since 20 Apr 2026 · CVE-2026-6589
AI - closed3.5ComfyUI + custom nodes CVE-2026-6593: Cross-site scripting vulnerability in ComfyUI view endpoint
Patch now · Disclosed · since 20 Apr 2026 · CVE-2026-6593
AI - closed4.3ComfyUI + custom nodes CVE-2026-6591: Path traversal vulnerability in ComfyUI LoadImage node
Patch now · Disclosed · since 20 Apr 2026 · CVE-2026-6591
AI - closed8.5ComfyUI + custom nodes CVE-2026-92816: ComfyUI path traversal leads to code execution
Patch now · Disclosed · since 16 Sep 2026 · CVE-2026-92816
AI - closed8.2ComfyUI + custom nodes CVE-2026-56670: Stored XSS via SVG handling in ComfyUI view endpoint
Patch now · Disclosed · since 31 Jul 2026 · CVE-2026-56670
AI