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vuln-cve/data/2026/56xxx/CVE-2026-56671.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-56671",
"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"state": "PUBLISHED",
"assignerShortName": "GitHub_M",
"dateReserved": "2026-06-22T16:39:01.043Z",
"datePublished": "2026-07-31T04:21:54.417Z",
"dateUpdated": "2026-07-31T23:19:15.408Z"
},
"containers": {
"cna": {
"title": "ComfyUI: Path traversal in /experiment/models/preview allows arbitrary image file read",
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-22",
"lang": "en",
"description": "CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')",
"type": "CWE"
}
]
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
"version": "3.1"
}
}
],
"references": [
{
"name": "https://github.com/Comfy-Org/ComfyUI/security/advisories/GHSA-pj59-g5vv-74q4",
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://github.com/Comfy-Org/ComfyUI/security/advisories/GHSA-pj59-g5vv-74q4"
},
{
"name": "https://github.com/Comfy-Org/ComfyUI/pull/14734",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/Comfy-Org/ComfyUI/pull/14734"
},
{
"name": "https://github.com/Comfy-Org/ComfyUI/releases/tag/v0.28.0",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/Comfy-Org/ComfyUI/releases/tag/v0.28.0"
}
],
"affected": [
{
"vendor": "Comfy-Org",
"product": "ComfyUI",
"versions": [
{
"version": "< 0.28.0",
"status": "affected"
}
]
}
],
"providerMetadata": {
"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"shortName": "GitHub_M",
"dateUpdated": "2026-07-31T04:21:54.417Z"
},
"descriptions": [
{
"lang": "en",
"value": "ComfyUI is a modular diffusion model GUI, api and backend with a graph/nodes interface. Prior to 0.28.0, get_model_preview in app/model_manager.py joins an unrestricted filename route capture to a selected model directory without a containment check, allowing an unauthenticated remote attacker to use traversal, encoded traversal, absolute paths, or an unbounded path_index to read image-decodable files and enumerate host paths. get_model_preview (app/model_manager.py) built the path with os.path.join(folder, filename) where filename is an unrestricted {filename:.*} route capture. Literal ../, percent-encoded %2e%2e%2f, and absolute paths all escaped the model directory; path_index was also unbounded. The target file is piped through Pillow and re-encoded as WEBP, so disclosure is limited to image-decodable files plus a file-existence/enumeration oracle (and internal-path leakage via path_index errors). This issue is fixed in version 0.28.0."
}
],
"source": {
"advisory": "GHSA-pj59-g5vv-74q4",
"discovery": "UNKNOWN"
}
},
"adp": [
{
"metrics": [
{
"other": {
"type": "ssvc",
"content": {
"timestamp": "2026-07-31T23:18:53.402759Z",
"id": "CVE-2026-56671",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "yes"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
}
],
"title": "CISA ADP Vulnrichment",
"providerMetadata": {
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP",
"dateUpdated": "2026-07-31T23:19:15.408Z"
}
}
]
}
}