CVE-2026-40954 (GCVE-0-2026-40954)
Vulnerability from cvelistv5
Published
2026-07-15 19:44
Modified
2026-07-16 13:15
Summary
CVE-2026-40954 is an integer underflow vulnerability in the traffic parsing function of Secure Access clients prior to 14.55. Attackers with intimate knowledge of and total control over the tunnel protocol can create a non-persistent DoS against their client
Impacted products
Show details on NVD website


{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-40954",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-07-16T13:14:53.484084Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-191",
                "description": "CWE-191 Integer Underflow (Wrap or Wraparound)",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-07-16T13:15:09.379Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Secure Access",
          "vendor": "Absolute Security",
          "versions": [
            {
              "lessThan": "14.55",
              "status": "affected",
              "version": "0",
              "versionType": "Client"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "\u003cspan\u003eCVE-2026-40954\nis an integer underflow vulnerability in the traffic parsing function of Secure\nAccess clients prior to 14.55. Attackers with intimate knowledge of and total\ncontrol over the tunnel protocol can create a non-persistent DoS against their\nclient\u003c/span\u003e"
            }
          ],
          "value": "CVE-2026-40954\nis an integer underflow vulnerability in the traffic parsing function of Secure\nAccess clients prior to 14.55. Attackers with intimate knowledge of and total\ncontrol over the tunnel protocol can create a non-persistent DoS against their\nclient"
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "Automatable": "NOT_DEFINED",
            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "HIGH",
            "attackRequirements": "PRESENT",
            "attackVector": "NETWORK",
            "baseScore": 2.1,
            "baseSeverity": "LOW",
            "exploitMaturity": "NOT_DEFINED",
            "privilegesRequired": "NONE",
            "providerUrgency": "NOT_DEFINED",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "ACTIVE",
            "valueDensity": "NOT_DEFINED",
            "vectorString": "CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N",
            "version": "4.0",
            "vulnAvailabilityImpact": "LOW",
            "vulnConfidentialityImpact": "NONE",
            "vulnIntegrityImpact": "NONE",
            "vulnerabilityResponseEffort": "NOT_DEFINED"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-07-15T19:44:47.223Z",
        "orgId": "b6533044-ea05-4482-8458-7bddeca0d079",
        "shortName": "Absolute"
      },
      "references": [
        {
          "url": "https://www.absolute.com/platform/security-information/vulnerability-archive/cve-2026-40954"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "title": "Integer underflow in Secure Access clients prior to 14.55",
      "x_generator": {
        "engine": "Vulnogram 1.0.2"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "b6533044-ea05-4482-8458-7bddeca0d079",
    "assignerShortName": "Absolute",
    "cveId": "CVE-2026-40954",
    "datePublished": "2026-07-15T19:44:47.223Z",
    "dateReserved": "2026-04-16T00:19:03.573Z",
    "dateUpdated": "2026-07-16T13:15:09.379Z",
    "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-2026-40954\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-07-16T13:14:53.484084Z\"}}}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-191\", \"description\": \"CWE-191 Integer Underflow (Wrap or Wraparound)\"}]}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-07-16T13:15:06.223Z\"}}], \"cna\": {\"title\": \"Integer underflow in Secure Access clients prior to 14.55\", \"source\": {\"discovery\": \"UNKNOWN\"}, \"metrics\": [{\"format\": \"CVSS\", \"cvssV4_0\": {\"Safety\": \"NOT_DEFINED\", \"version\": \"4.0\", \"Recovery\": \"NOT_DEFINED\", \"baseScore\": 2.1, \"Automatable\": \"NOT_DEFINED\", \"attackVector\": \"NETWORK\", \"baseSeverity\": \"LOW\", \"valueDensity\": \"NOT_DEFINED\", \"vectorString\": \"CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N\", \"exploitMaturity\": \"NOT_DEFINED\", \"providerUrgency\": \"NOT_DEFINED\", \"userInteraction\": \"ACTIVE\", \"attackComplexity\": \"HIGH\", \"attackRequirements\": \"PRESENT\", \"privilegesRequired\": \"NONE\", \"subIntegrityImpact\": \"NONE\", \"vulnIntegrityImpact\": \"NONE\", \"subAvailabilityImpact\": \"NONE\", \"vulnAvailabilityImpact\": \"LOW\", \"subConfidentialityImpact\": \"NONE\", \"vulnConfidentialityImpact\": \"NONE\", \"vulnerabilityResponseEffort\": \"NOT_DEFINED\"}, \"scenarios\": [{\"lang\": \"en\", \"value\": \"GENERAL\"}]}], \"affected\": [{\"vendor\": \"Absolute Security\", \"product\": \"Secure Access\", \"versions\": [{\"status\": \"affected\", \"version\": \"0\", \"lessThan\": \"14.55\", \"versionType\": \"Client\"}], \"defaultStatus\": \"unaffected\"}], \"references\": [{\"url\": \"https://www.absolute.com/platform/security-information/vulnerability-archive/cve-2026-40954\"}], \"x_generator\": {\"engine\": \"Vulnogram 1.0.2\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"CVE-2026-40954\\nis an integer underflow vulnerability in the traffic parsing function of Secure\\nAccess clients prior to 14.55. Attackers with intimate knowledge of and total\\ncontrol over the tunnel protocol can create a non-persistent DoS against their\\nclient\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"\u003cspan\u003eCVE-2026-40954\\nis an integer underflow vulnerability in the traffic parsing function of Secure\\nAccess clients prior to 14.55. Attackers with intimate knowledge of and total\\ncontrol over the tunnel protocol can create a non-persistent DoS against their\\nclient\u003c/span\u003e\", \"base64\": false}]}], \"providerMetadata\": {\"orgId\": \"b6533044-ea05-4482-8458-7bddeca0d079\", \"shortName\": \"Absolute\", \"dateUpdated\": \"2026-07-15T19:44:47.223Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2026-40954\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-07-16T13:15:09.379Z\", \"dateReserved\": \"2026-04-16T00:19:03.573Z\", \"assignerOrgId\": \"b6533044-ea05-4482-8458-7bddeca0d079\", \"datePublished\": \"2026-07-15T19:44:47.223Z\", \"assignerShortName\": \"Absolute\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading…

Loading…

Loading…

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.


Loading…

Loading…