CVE-2026-40954

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

CVSS v3 3.7 LOW

3.7^/10

CVSS v3 : LOW

Vector :

Exploitability : 2.2 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact LOW

Scope UNCHANGED

References

Link	Resource
https://www.absolute.com/platform/security-information/vulnerability-archive/cve-2026-40954	Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:absolute:secure_access:*:*:*:*:*:*:*:*

History

16 Jul 2026, 02:56

Type	Values Removed	Values Added
References	~~() https://www.absolute.com/platform/security-information/vulnerability-archive/cve-2026-40954 -~~	() https://www.absolute.com/platform/security-information/vulnerability-archive/cve-2026-40954 - Vendor Advisory
First Time		Absolute secure Access Absolute
CWE		CWE-191
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 3.7
CPE		cpe:2.3:a:absolute:secure_access::::::::

15 Jul 2026, 20:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-07-15 20:16

Updated : 2026-07-16 14:16

NVD link : CVE-2026-40954

Mitre link : CVE-2026-40954

CVE.ORG link : CVE-2026-40954

JSON object : View

Products Affected

absolute

secure_access

CWE

CWE-191

Integer Underflow (Wrap or Wraparound)

{"id": "CVE-2026-40954", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-40954", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-07-16T13:14:53.484084Z"}}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 3.7, "attackVector": "NETWORK", "baseSeverity": "LOW", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "LOW", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 1.4, "exploitabilityScore": 2.2}], "cvssMetricV40": [{"type": "Secondary", "source": "SecurityResponse@netmotionsoftware.com", "cvssData": {"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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "exploitMaturity": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "userInteraction": "ACTIVE", "attackComplexity": "HIGH", "attackRequirements": "PRESENT", "privilegesRequired": "NONE", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "NONE", "integrityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "LOW", "availabilityRequirement": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "NONE", "confidentialityRequirement": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED"}}]}, "affected": [{"source": "SecurityResponse@netmotionsoftware.com", "affectedData": [{"vendor": "Absolute Security", "product": "Secure Access", "versions": [{"status": "affected", "version": "0", "lessThan": "14.55", "versionType": "Client"}], "defaultStatus": "unaffected"}]}], "published": "2026-07-15T20:16:58.273", "references": [{"url": "https://www.absolute.com/platform/security-information/vulnerability-archive/cve-2026-40954", "tags": ["Vendor Advisory"], "source": "SecurityResponse@netmotionsoftware.com"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-191"}]}, {"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "description": [{"lang": "en", "value": "CWE-191"}]}], "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"}], "lastModified": "2026-07-16T14:16:51.547", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:absolute:secure_access:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "1C42FF7C-EE2E-4412-9074-88FFB63A58CF", "versionEndExcluding": "14.55"}], "operator": "OR"}]}], "sourceIdentifier": "SecurityResponse@netmotionsoftware.com"}