{"id":"CVE-2026-56670","aliases":["EUVD-2026-51400","GHSA-rj8c-c4p8-3c5h","openSUSE-SU-2026:11562-1"],"status":"published","title":"ComfyUI: Stored XSS via SVG file upload on the /view endpoint","description":"ComfyUI is a modular diffusion model GUI, api and backend with a graph/nodes interface. Prior to 0.28.0, the /view endpoint served uploaded SVG files inline because image/svg+xml and related XML content types were absent from the dangerous-content-type handling, allowing stored cross-site scripting in the ComfyUI origin. This issue is fixed in version 0.28.0.","severity":{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00397,"percentile":0.34354,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-79"],"published":"2026-07-31T04:17:43Z","modified":"2026-11-11T02:47:59Z","fixes":[{"ecosystem":"openSUSE:Tumbleweed","package":"comfyui","fixed_in":["0.33.3-1.1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"openSUSE:Tumbleweed","package":"comfyui","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.33.3-1.1"}]}]}],"products":[{"vendor":"comfy-org","product":"comfyui"}],"references":[{"url":"https://github.com/Comfy-Org/ComfyUI/security/advisories/GHSA-rj8c-c4p8-3c5h","tags":["x_refsource_CONFIRM","advisory"]},{"url":"https://github.com/Comfy-Org/ComfyUI/commit/96e0e3585b41e1417442eaa14ec57f7b4ffcb5e0","tags":["x_refsource_MISC","fix"]},{"url":"https://github.com/Comfy-Org/ComfyUI/releases/tag/v0.28.0","tags":["x_refsource_MISC","web"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/56xxx/CVE-2026-56670.json","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-56670","tags":["advisory"]},{"url":"","tags":["advisory"]},{"url":"https://www.suse.com/security/cve/CVE-2026-56670","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2026-56670","title":"ComfyUI: Stored XSS via SVG file upload on the /view endpoint","description":"ComfyUI is a modular diffusion model GUI, api and backend with a graph/nodes interface. Prior to 0.28.0, the /view endpoint served uploaded SVG files inline because image/svg+xml and related XML content types were absent from the dangerous-content-type handling, allowing stored cross-site scripting in the ComfyUI origin. This issue is fixed in version 0.28.0.","status":"published","published":"2026-07-31T04:17:43.843Z","modified":"2026-07-31T19:00:49.766Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N","level":"high","assessor":"cna"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T13:37:02.780526Z"}],"euvd":[{"id":"EUVD-2026-51400","description":"ComfyUI is a modular diffusion model GUI, api and backend with a graph/nodes interface. Prior to 0.28.0, the /view endpoint served uploaded SVG files inline because image/svg+xml and related XML content types were absent from the dangerous-content-type handling, allowing stored cross-site scripting in the ComfyUI origin. This issue is fixed in version 0.28.0.","status":"published","published":"2026-07-31T04:17:43Z","modified":"2026-07-31T19:00:49Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N","level":"high"}],"updated_at":"2026-11-02T18:02:25.522444Z"}],"nvd":[{"id":"CVE-2026-56670","description":"ComfyUI is a modular diffusion model GUI, api and backend with a graph/nodes interface. Prior to 0.28.0, the /view endpoint served uploaded SVG files inline because image/svg+xml and related XML content types were absent from the dangerous-content-type handling, allowing stored cross-site scripting in the ComfyUI origin. This issue is fixed in version 0.28.0.","status":"published","published":"2026-07-31T06:16:27.56Z","modified":"2026-10-23T23:10:00.157Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N","level":"high","assessor":"secondary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:12:33.955581Z"}],"osv":[{"id":"CVE-2026-56670","title":"ComfyUI: Stored XSS via SVG file upload on the /view endpoint","description":"ComfyUI is a modular diffusion model GUI, api and backend with a graph/nodes interface. Prior to 0.28.0, the /view endpoint served uploaded SVG files inline because image/svg+xml and related XML content types were absent from the dangerous-content-type handling, allowing stored cross-site scripting in the ComfyUI origin. This issue is fixed in version 0.28.0.","status":"published","published":"2026-07-31T04:17:43.843Z","modified":"2026-11-11T10:47:33.075807799Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N","level":"high"}],"cwes":["CWE-79"],"updated_at":"2026-11-11T03:22:28.447808Z"},{"id":"openSUSE-SU-2026:11562-1","title":"comfyui-0.33.3-1.1 on GA media","description":"These are all security issues fixed in the comfyui-0.33.3-1.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2026-08-21T00:00:00Z","modified":"2026-08-22T18:23:35.037751515Z","updated_at":"2026-11-02T16:58:39.516824Z"}]}}