CVE-2026-46402 (GCVE-0-2026-46402)
Vulnerability from cvelistv5 – Published: 2026-05-27 21:54 – Updated: 2026-05-27 21:54
VLAI
Title
Microsoft UFO uses untrusted task_name in log paths, allowing authenticated path traversal and log file creation outside the logs directory
Summary
Microsoft UFO open-source framework for intelligent automation across devices and platforms. In 3.0.1-4-ge2626659, Microsoft UFO uses the user-controlled task_name value directly when constructing session log paths. An authenticated client can supply path traversal sequences in task_name and cause UFO to create log directories and log files outside the intended logs/ directory.
Severity
8.1 (High)
CWE
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/microsoft/UFO/security/advisor… | x_refsource_CONFIRM |
{
"containers": {
"cna": {
"affected": [
{
"product": "UFO",
"vendor": "microsoft",
"versions": [
{
"status": "affected",
"version": "3.0.1-4-ge2626659"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "Microsoft UFO open-source framework for intelligent automation across devices and platforms. In 3.0.1-4-ge2626659, Microsoft UFO uses the user-controlled task_name value directly when constructing session log paths. An authenticated client can supply path traversal sequences in task_name and cause UFO to create log directories and log files outside the intended logs/ directory."
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 8.1,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H",
"version": "3.1"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-22",
"description": "CWE-22: Improper Limitation of a Pathname to a Restricted Directory (\u0027Path Traversal\u0027)",
"lang": "en",
"type": "CWE"
}
]
},
{
"descriptions": [
{
"cweId": "CWE-73",
"description": "CWE-73: External Control of File Name or Path",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-05-27T21:54:06.646Z",
"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"shortName": "GitHub_M"
},
"references": [
{
"name": "https://github.com/microsoft/UFO/security/advisories/GHSA-whcg-fgpx-76f2",
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://github.com/microsoft/UFO/security/advisories/GHSA-whcg-fgpx-76f2"
}
],
"source": {
"advisory": "GHSA-whcg-fgpx-76f2",
"discovery": "UNKNOWN"
},
"title": "Microsoft UFO uses untrusted task_name in log paths, allowing authenticated path traversal and log file creation outside the logs directory"
}
},
"cveMetadata": {
"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"assignerShortName": "GitHub_M",
"cveId": "CVE-2026-46402",
"datePublished": "2026-05-27T21:54:06.646Z",
"dateReserved": "2026-05-13T21:04:10.932Z",
"dateUpdated": "2026-05-27T21:54:06.646Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"vulnerability-lookup:meta": {
"epss": {
"cve": "CVE-2026-46402",
"date": "2026-05-28",
"epss": "0.00057",
"percentile": "0.1792"
},
"nvd": "{\"cve\":{\"id\":\"CVE-2026-46402\",\"sourceIdentifier\":\"security-advisories@github.com\",\"published\":\"2026-05-27T23:16:47.700\",\"lastModified\":\"2026-05-27T23:16:47.700\",\"vulnStatus\":\"Received\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"Microsoft UFO open-source framework for intelligent automation across devices and platforms. In 3.0.1-4-ge2626659, Microsoft UFO uses the user-controlled task_name value directly when constructing session log paths. An authenticated client can supply path traversal sequences in task_name and cause UFO to create log directories and log files outside the intended logs/ directory.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"security-advisories@github.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H\",\"baseScore\":8.1,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":2.8,\"impactScore\":5.2}]},\"weaknesses\":[{\"source\":\"security-advisories@github.com\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-22\"},{\"lang\":\"en\",\"value\":\"CWE-73\"}]}],\"references\":[{\"url\":\"https://github.com/microsoft/UFO/security/advisories/GHSA-whcg-fgpx-76f2\",\"source\":\"security-advisories@github.com\"}]}}"
}
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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