CVE-2026-18064 (GCVE-0-2026-18064)
Vulnerability from cvelistv5
Published
2026-07-30 21:35
Modified
2026-07-31 15:41
Severity ?
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
8.2 (High) - CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
CWE
  • CWE-476 - NULL Pointer Dereference
Summary
An incomplete fix for CVE-2026-15352 in the NASA core Flight System (cFS) Health and Safety (HS) application leaves a separate NULL pointer dereference reachable in versions through 7.0.1. An attacker who can trigger the affected command under specific conditions could cause the HS application to crash, resulting in a denial-of-service condition and processor reset.
References
Impacted products
Vendor Product Version
NASA Core Flight System (cFS) Health & Safety (HS) Application Version: 0   <
Create a notification for this product.
Show details on NVD website

To clipboard 

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-18064",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-07-31T15:40:36.521992Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-07-31T15:41:27.652Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Core Flight System (cFS) Health \u0026 Safety (HS) Application",
          "vendor": "NASA",
          "versions": [
            {
              "lessThanOrEqual": "v7.0.1",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Michael Holmquist of Hasp Labs reported this vulnerability to CISA."
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "An incomplete fix for CVE-2026-15352 in the NASA core Flight System \n(cFS) Health and Safety (HS) application leaves a separate NULL pointer \ndereference reachable in versions through 7.0.1. An attacker who can \ntrigger the affected command under specific conditions could cause the \nHS application to crash, resulting in a denial-of-service condition and \nprocessor reset."
            }
          ],
          "value": "An incomplete fix for CVE-2026-15352 in the NASA core Flight System \n(cFS) Health and Safety (HS) application leaves a separate NULL pointer \ndereference reachable in versions through 7.0.1. An attacker who can \ntrigger the affected command under specific conditions could cause the \nHS application to crash, resulting in a denial-of-service condition and \nprocessor reset."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        },
        {
          "cvssV4_0": {
            "Automatable": "NOT_DEFINED",
            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "LOW",
            "attackRequirements": "PRESENT",
            "attackVector": "NETWORK",
            "baseScore": 8.2,
            "baseSeverity": "HIGH",
            "exploitMaturity": "NOT_DEFINED",
            "privilegesRequired": "NONE",
            "providerUrgency": "NOT_DEFINED",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "valueDensity": "NOT_DEFINED",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N",
            "version": "4.0",
            "vulnAvailabilityImpact": "HIGH",
            "vulnConfidentialityImpact": "NONE",
            "vulnIntegrityImpact": "NONE",
            "vulnerabilityResponseEffort": "NOT_DEFINED"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-476",
              "description": "CWE-476 NULL Pointer Dereference",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-07-30T21:35:14.061Z",
        "orgId": "7d14cffa-0d7d-4270-9dc0-52cabd5a23a6",
        "shortName": "icscert"
      },
      "references": [
        {
          "url": "https://github.com/nasa/HS"
        },
        {
          "url": "https://www.cisa.gov/news-events/ics-advisories/icsa-26-211-06"
        },
        {
          "url": "https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-211-06.json"
        }
      ],
      "source": {
        "advisory": "ICSA-26-211-06",
        "discovery": "EXTERNAL"
      },
      "title": "NASA Core Flight System (cFS) Health \u0026 Safety (HS) Application NULL Pointer Dereference",
      "workarounds": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "NASA reports that an official fix is currently under development and is expected to be included in a future software release.\u003cbr\u003e\u003cbr\u003eAs an interim mitigation, users can update their HS app from the HS repo (\u003ca href=\"https://github.com/nasa/HS\"\u003ehttps://github.com/nasa/HS\u003c/a\u003e) to the latest dev branch. The fix is in the dev branch starting at commit 828855f971db4b6714367ed0a970f52dbeab2965"
            }
          ],
          "value": "NASA reports that an official fix is currently under development and is expected to be included in a future software release.\n\nAs an interim mitigation, users can update their HS app from the HS repo ( https://github.com/nasa/HS ) to the latest dev branch. The fix is in the dev branch starting at commit 828855f971db4b6714367ed0a970f52dbeab2965"
        }
      ],
      "x_generator": {
        "engine": "Vulnogram 1.0.4"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "7d14cffa-0d7d-4270-9dc0-52cabd5a23a6",
    "assignerShortName": "icscert",
    "cveId": "CVE-2026-18064",
    "datePublished": "2026-07-30T21:35:14.061Z",
    "dateReserved": "2026-07-28T14:10:13.503Z",
    "dateUpdated": "2026-07-31T15:41:27.652Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2026-18064\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"yes\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-07-31T15:40:36.521992Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-07-31T15:41:21.938Z\"}}], \"cna\": {\"title\": \"NASA Core Flight System (cFS) Health \u0026 Safety (HS) Application NULL Pointer Dereference\", \"source\": {\"advisory\": \"ICSA-26-211-06\", \"discovery\": \"EXTERNAL\"}, \"credits\": [{\"lang\": \"en\", \"type\": \"finder\", \"value\": \"Michael Holmquist of Hasp Labs reported this vulnerability to CISA.\"}], \"metrics\": [{\"format\": \"CVSS\", \"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 7.5, \"attackVector\": \"NETWORK\", \"baseSeverity\": \"HIGH\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H\", \"integrityImpact\": \"NONE\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"HIGH\", \"privilegesRequired\": \"NONE\", \"confidentialityImpact\": \"NONE\"}, \"scenarios\": [{\"lang\": \"en\", \"value\": \"GENERAL\"}]}, {\"format\": \"CVSS\", \"cvssV4_0\": {\"Safety\": \"NOT_DEFINED\", \"version\": \"4.0\", \"Recovery\": \"NOT_DEFINED\", \"baseScore\": 8.2, \"Automatable\": \"NOT_DEFINED\", \"attackVector\": \"NETWORK\", \"baseSeverity\": \"HIGH\", \"valueDensity\": \"NOT_DEFINED\", \"vectorString\": \"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N\", \"exploitMaturity\": \"NOT_DEFINED\", \"providerUrgency\": \"NOT_DEFINED\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"attackRequirements\": \"PRESENT\", \"privilegesRequired\": \"NONE\", \"subIntegrityImpact\": \"NONE\", \"vulnIntegrityImpact\": \"NONE\", \"subAvailabilityImpact\": \"NONE\", \"vulnAvailabilityImpact\": \"HIGH\", \"subConfidentialityImpact\": \"NONE\", \"vulnConfidentialityImpact\": \"NONE\", \"vulnerabilityResponseEffort\": \"NOT_DEFINED\"}, \"scenarios\": [{\"lang\": \"en\", \"value\": \"GENERAL\"}]}], \"affected\": [{\"vendor\": \"NASA\", \"product\": \"Core Flight System (cFS) Health \u0026 Safety (HS) Application\", \"versions\": [{\"status\": \"affected\", \"version\": \"0\", \"versionType\": \"custom\", \"lessThanOrEqual\": \"v7.0.1\"}], \"defaultStatus\": \"unaffected\"}], \"references\": [{\"url\": \"https://github.com/nasa/HS\"}, {\"url\": \"https://www.cisa.gov/news-events/ics-advisories/icsa-26-211-06\"}, {\"url\": \"https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-211-06.json\"}], \"workarounds\": [{\"lang\": \"en\", \"value\": \"NASA reports that an official fix is currently under development and is expected to be included in a future software release.\\n\\nAs an interim mitigation, users can update their HS app from the HS repo ( https://github.com/nasa/HS ) to the latest dev branch. The fix is in the dev branch starting at commit 828855f971db4b6714367ed0a970f52dbeab2965\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"NASA reports that an official fix is currently under development and is expected to be included in a future software release.\u003cbr\u003e\u003cbr\u003eAs an interim mitigation, users can update their HS app from the HS repo (\u003ca href=\\\"https://github.com/nasa/HS\\\"\u003ehttps://github.com/nasa/HS\u003c/a\u003e) to the latest dev branch. The fix is in the dev branch starting at commit 828855f971db4b6714367ed0a970f52dbeab2965\", \"base64\": false}]}], \"x_generator\": {\"engine\": \"Vulnogram 1.0.4\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"An incomplete fix for CVE-2026-15352 in the NASA core Flight System \\n(cFS) Health and Safety (HS) application leaves a separate NULL pointer \\ndereference reachable in versions through 7.0.1. An attacker who can \\ntrigger the affected command under specific conditions could cause the \\nHS application to crash, resulting in a denial-of-service condition and \\nprocessor reset.\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"An incomplete fix for CVE-2026-15352 in the NASA core Flight System \\n(cFS) Health and Safety (HS) application leaves a separate NULL pointer \\ndereference reachable in versions through 7.0.1. An attacker who can \\ntrigger the affected command under specific conditions could cause the \\nHS application to crash, resulting in a denial-of-service condition and \\nprocessor reset.\", \"base64\": false}]}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-476\", \"description\": \"CWE-476 NULL Pointer Dereference\"}]}], \"providerMetadata\": {\"orgId\": \"7d14cffa-0d7d-4270-9dc0-52cabd5a23a6\", \"shortName\": \"icscert\", \"dateUpdated\": \"2026-07-30T21:35:14.061Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2026-18064\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-07-31T15:41:27.652Z\", \"dateReserved\": \"2026-07-28T14:10:13.503Z\", \"assignerOrgId\": \"7d14cffa-0d7d-4270-9dc0-52cabd5a23a6\", \"datePublished\": \"2026-07-30T21:35:14.061Z\", \"assignerShortName\": \"icscert\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.