CVE-2026-85518

API · GitHub · cve.org

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          "cpes": [
            "cpe:/a:redhat:hummingbird:1"
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          "packageName": "openscap-main",
          "product": "Red Hat Hardened Images",
          "vendor": "Red Hat",
          "versions": [
            {
              "lessThan": "*",
              "status": "unaffected",
              "version": "1.4.5-2.1.hum1",
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          "cpes": [
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          "product": "Red Hat Enterprise Linux 6",
          "vendor": "Red Hat"
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          "product": "Red Hat Enterprise Linux 7",
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          "product": "Red Hat Enterprise Linux 8",
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      ],
      "credits": [
        {
          "lang": "en",
          "value": "Red Hat would like to thank arpitjain099 for reporting this issue."
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      "datePublic": "2026-10-21T15:04:32.667Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "A flaw was found in OpenSCAP. When decomposing a Source DataStream (SDS) file, the application does not properly validate relative file path attributes, leading to a path traversal vulnerability. An attacker can exploit this flaw by tricking a user or automated system into decomposing a crafted datastream containing directory traversal sequences. Successful exploitation allows unauthorized file creation or modification outside the intended target directory with the permissions of the executing process."
        }
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              "value": "Moderate"
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            "type": "Red Hat severity rating"
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          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "LOW",
            "baseScore": 6.1,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:L",
            "version": "3.1"
          },
          "format": "CVSS"
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      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-22",
              "description": "Improper Limitation of a Pathname to a Restricted Directory (\u0027Path Traversal\u0027)",
              "lang": "en",
              "type": "CWE"
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      "providerMetadata": {
        "dateUpdated": "2026-10-23T05:27:17.756Z",
        "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
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      "references": [
        {
          "name": "RHSA-2026:88330",
          "tags": [
            "vendor-advisory",
            "x_refsource_REDHAT"
          ],
          "url": "https://access.redhat.com/errata/RHSA-2026:88330"
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        {
          "name": "RHBZ#2478522",
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            "x_refsource_REDHAT"
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          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2478522"
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      "timeline": [
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          "lang": "en",
          "time": "2026-05-18T03:32:25.000Z",
          "value": "Reported to Red Hat."
        },
        {
          "lang": "en",
          "time": "2026-10-21T15:04:32.667Z",
          "value": "Made public."
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      ],
      "title": "Openscap: openscap: arbitrary file write via path traversal in source datastream decomposition",
      "workarounds": [
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          "lang": "en",
          "value": "Avoid extracting or decomposing untrusted SCAP Source DataStream (SDS) files. When processing externally supplied datastreams is necessary, perform the operation inside an isolated directory using a dedicated unprivileged user account or container sandbox with strictly bounded write privileges.\n\nCaveat: Operating under an unprivileged user confines rogue file creation to that user\u0027s access scope, but does not prevent file corruption within directories accessible to that account."
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    "datePublished": "2026-10-21T19:42:54.174Z",
    "dateReserved": "2026-09-04T06:10:05.006Z",
    "dateUpdated": "2026-10-23T05:27:17.756Z",
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