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vuln-cve/data/2026/52xxx/CVE-2026-52791.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-52791",
"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"state": "PUBLISHED",
"assignerShortName": "GitHub_M",
"dateReserved": "2026-06-08T18:02:19.731Z",
"datePublished": "2026-07-29T16:14:46.724Z",
"dateUpdated": "2026-07-29T17:56:43.388Z"
},
"containers": {
"cna": {
"title": "fuse-overlayfs release-1.x preserves SUID/SGID bits after truncate/open(O_TRUNC)",
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-266",
"lang": "en",
"description": "CWE-266: Incorrect Privilege Assignment",
"type": "CWE"
}
]
}
],
"metrics": [
{
"cvssV4_0": {
"attackVector": "LOCAL",
"attackComplexity": "LOW",
"attackRequirements": "PRESENT",
"privilegesRequired": "LOW",
"userInteraction": "NONE",
"vulnConfidentialityImpact": "NONE",
"vulnIntegrityImpact": "LOW",
"vulnAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"subAvailabilityImpact": "NONE",
"baseScore": 2,
"baseSeverity": "LOW",
"vectorString": "CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N",
"version": "4.0"
}
}
],
"references": [
{
"name": "https://github.com/containers/fuse-overlayfs/security/advisories/GHSA-2cc4-p72c-v85h",
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://github.com/containers/fuse-overlayfs/security/advisories/GHSA-2cc4-p72c-v85h"
},
{
"name": "https://github.com/containers/fuse-overlayfs/commit/97e0d968a782fc259ebde112db1e9b9ff1ad724f",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/containers/fuse-overlayfs/commit/97e0d968a782fc259ebde112db1e9b9ff1ad724f"
},
{
"name": "https://github.com/containers/fuse-overlayfs/releases/tag/v1.17",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/containers/fuse-overlayfs/releases/tag/v1.17"
}
],
"affected": [
{
"vendor": "containers",
"product": "fuse-overlayfs",
"versions": [
{
"version": "< 1.17",
"status": "affected"
}
]
}
],
"providerMetadata": {
"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"shortName": "GitHub_M",
"dateUpdated": "2026-07-29T16:14:46.724Z"
},
"descriptions": [
{
"lang": "en",
"value": "fuse-overlayfs is an implementation of overlayfs in FUSE for rootless containers. Prior to 1.17, the release-1.x C branch preserves SUID and SGID mode bits in main.c during open(O_TRUNC) and truncate handling on a copied-up file, allowing a low-privileged process to leave the upper-layer file with mode 4777. This issue is fixed in version 1.17."
}
],
"source": {
"advisory": "GHSA-2cc4-p72c-v85h",
"discovery": "UNKNOWN"
}
},
"adp": [
{
"references": [
{
"url": "https://github.com/containers/fuse-overlayfs/security/advisories/GHSA-2cc4-p72c-v85h",
"tags": [
"exploit"
]
}
],
"metrics": [
{
"other": {
"type": "ssvc",
"content": {
"timestamp": "2026-07-29T17:56:35.819478Z",
"id": "CVE-2026-52791",
"options": [
{
"Exploitation": "poc"
},
{
"Automatable": "no"
},
{
"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": "2026-07-29T17:56:43.388Z"
}
}
]
}
}