CVE-2026-123790

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-123790", "assignerOrgId": "37e5125f-f79b-445b-8fad-9564f167944b", "state": "PUBLISHED", "assignerShortName": "certcc", "dateReserved": "2026-11-06T14:47:00.908Z", "datePublished": "2026-11-12T14:48:30.110Z", "dateUpdated": "2026-11-12T17:05:16.327Z"}, "containers": {"cna": {"title": "Unauthenticated Path Traversal in ComfyUI-Easy-Use Allows Remote Code Execution", "descriptions": [{"lang": "en", "value": "ComfyUI-Easy-Use version 1.3.6 contains a path traversal vulnerability in the `save_preview()` handler for POST `/easyuse/save/{name}`. The handler checks the source directory before appending a user-supplied filename and allows the request to select the `custom_nodes` directory as a copy destination. An unauthenticated attacker who can reach the ComfyUI server can overwrite an installed custom node\u2019s Python entry point with an uploaded file. When ComfyUI restarts and loads the modified node, the attacker\u2019s code runs with the privileges of the ComfyUI process."}], "source": {"discovery": "UNKNOWN"}, "affected": [{"vendor": "ComfyUI-Easy-Use", "product": "ComfyUI-Easy-Use", "versions": [{"status": "affected", "version": "1.3.6", "lessThanOrEqual": "1.4.1", "versionType": "custom"}]}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')"}]}], "references": [{"url": "https://github.com/yolain/ComfyUI-Easy-Use"}, {"url": "https://blog.nhhoang.io.vn/posts/2026/11/cve-2026-123790-comfyui-easy-use-save-preview-rce/"}, {"url": "https://github.com/yolain/ComfyUI-Easy-Use/commit/8a0f2fc412c1c6f9109e9392064800a87a706775"}], "x_generator": {"engine": "VINCE 4.0.3", "env": "prod", "origin": "https://cveawg.mitre.org/api/cve/CVE-2026-123790"}, "providerMetadata": {"orgId": "37e5125f-f79b-445b-8fad-9564f167944b", "shortName": "certcc", "dateUpdated": "2026-11-12T15:13:46.135Z"}}, "adp": [{"title": "CVE Program Container", "references": [{"url": "https://www.kb.cert.org/vuls/id/944667"}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2026-11-12T17:05:16.327Z"}}]}}

{}

{"affected": [{"affectedData": [{"product": "ComfyUI-Easy-Use", "vendor": "ComfyUI-Easy-Use", "versions": [{"lessThanOrEqual": "1.4.1", "status": "affected", "version": "1.3.6", "versionType": "custom"}]}], "source": "cret@cert.org"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "ComfyUI-Easy-Use version 1.3.6 contains a path traversal vulnerability in the `save_preview()` handler for POST `/easyuse/save/{name}`. The handler checks the source directory before appending a user-supplied filename and allows the request to select the `custom_nodes` directory as a copy destination. An unauthenticated attacker who can reach the ComfyUI server can overwrite an installed custom node\u2019s Python entry point with an uploaded file. When ComfyUI restarts and loads the modified node, the attacker\u2019s code runs with the privileges of the ComfyUI process."}], "id": "CVE-2026-123790", "lastModified": "2026-11-12T19:22:01.433", "metrics": {}, "published": "2026-11-12T15:17:46.667", "references": [{"source": "cret@cert.org", "url": "https://blog.nhhoang.io.vn/posts/2026/11/cve-2026-123790-comfyui-easy-use-save-preview-rce/"}, {"source": "cret@cert.org", "url": "https://github.com/yolain/ComfyUI-Easy-Use"}, {"source": "cret@cert.org", "url": "https://github.com/yolain/ComfyUI-Easy-Use/commit/8a0f2fc412c1c6f9109e9392064800a87a706775"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://www.kb.cert.org/vuls/id/944667"}], "sourceIdentifier": "cret@cert.org", "vulnStatus": "Deferred"}

{}

{"created": "2026-11-13T12:00:10.053964+00:00", "updated": "2026-11-13T12:00:10.053970+00:00", "vendors": [], "weaknesses": ["CWE-22"]}