{
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    "adp": [
      {
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              "content": {
                "id": "CVE-2026-91839",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-09-26T03:55:54.065989Z",
                "version": "2.0.3"
              },
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          "dateUpdated": "2026-09-28T12:44:46.096Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
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    ],
    "cna": {
      "affected": [
        {
          "collectionURL": "https://gitlab.gnome.org/GNOME/NetworkManager-fortisslvpn",
          "defaultStatus": "unaffected",
          "packageName": "network-manager-fortisslvpn",
          "product": "NetworkManager-fortisslvpn",
          "vendor": "GNOME",
          "versions": [
            {
              "lessThan": "*",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
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          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "Red Hat would like to thank Andreas Gabriel Berbescu for reporting this issue."
        }
      ],
      "datePublic": "2026-09-15T09:45:39.220Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "A flaw was found in NetworkManager-fortisslvpn, the FortiSSLVPN plugin for NetworkManager. The nm-fortisslvpn-service improperly handles carriage-return/line-feed (CR/LF) characters in VPN connection profile credentials. A local unprivileged user can exploit this by crafting a malicious VPN profile to inject additional configuration directives. This can lead to arbitrary code execution with root privileges when the crafted VPN connection is activated."
        }
      ],
      "metrics": [
        {
          "other": {
            "content": {
              "namespace": "https://access.redhat.com/security/updates/classification/",
              "value": "Important"
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            "type": "Red Hat severity rating"
          }
        },
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 7.8,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
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      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-93",
              "description": "Improper Neutralization of CRLF Sequences (\u0027CRLF Injection\u0027)",
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              "type": "CWE"
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      "providerMetadata": {
        "dateUpdated": "2026-09-25T17:56:31.225Z",
        "orgId": "92fb86c3-55a5-4fb5-9c3f-4757b9e96dc5",
        "shortName": "fedora"
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      "references": [
        {
          "tags": [
            "vdb-entry",
            "x_refsource_REDHAT"
          ],
          "url": "https://access.redhat.com/security/cve/CVE-2026-91839"
        },
        {
          "name": "RHBZ#2533640",
          "tags": [
            "issue-tracking",
            "x_refsource_REDHAT"
          ],
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2533640"
        },
        {
          "url": "https://gitlab.gnome.org/Archive/NetworkManager-fortisslvpn/-/work_items/80"
        }
      ],
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        {
          "lang": "en",
          "time": "2026-09-15T09:45:39.220Z",
          "value": "Reported to Red Hat."
        },
        {
          "lang": "en",
          "time": "2026-09-15T09:45:39.220Z",
          "value": "Made public."
        }
      ],
      "title": "Networkmanager-fortisslvpn: networkmanager-fortisslvpn: local privilege escalation to root via crlf injection in vpn profile credentials",
      "workarounds": [
        {
          "lang": "en",
          "value": "If the NetworkManager-fortisslvpn plugin is not required, remove the `NetworkManager-fortisslvpn` package to eliminate the attack vector.\nTo remove the package:\n`sudo dnf remove NetworkManager-fortisslvpn`\nThis action may impact systems that rely on FortiSSLVPN connectivity. A system restart may be required for the changes to take full effect."
        }
      ],
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      "x_redhatCweChain": "CWE-93: Improper Neutralization of CRLF Sequences (\u0027CRLF Injection\u0027)"
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  "cveMetadata": {
    "assignerOrgId": "92fb86c3-55a5-4fb5-9c3f-4757b9e96dc5",
    "assignerShortName": "fedora",
    "cveId": "CVE-2026-91839",
    "datePublished": "2026-09-25T17:56:31.225Z",
    "dateReserved": "2026-09-15T08:28:01.333Z",
    "dateUpdated": "2026-09-28T12:44:46.096Z",
    "state": "PUBLISHED"
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  "dataVersion": "5.2"
}