CVE-2026-55398

CVE-2026-55398 is a memory management vulnerability in Secure Access clients and servers prior to 14.55. Attackers with intimate knowledge of and total control over the tunnel protocol can create a non-persistent DoS against the server.

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-2026-55398	Vendor Advisory

Configurations

Configuration 1 (hide)

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

History

No history.

Information

Published : 2026-07-15 21:16

Updated : 2026-07-16 16:27

NVD link : CVE-2026-55398

Mitre link : CVE-2026-55398

CVE.ORG link : CVE-2026-55398

JSON object : View

Products Affected

absolute

secure_access

CWE

CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer

CWE-400

Uncontrolled Resource Consumption

{"id": "CVE-2026-55398", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-55398", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-07-16T13:08:23.469391Z"}}], "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": 6.9, "Automatable": "NOT_DEFINED", "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/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": "NONE", "attackComplexity": "LOW", "attackRequirements": "NONE", "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": "2026-07-15T21:16:54.980", "references": [{"url": "https://www.absolute.com/platform/security-information/vulnerability-archive/cve-2026-55398", "tags": ["Vendor Advisory"], "source": "SecurityResponse@netmotionsoftware.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "description": [{"lang": "en", "value": "CWE-119"}, {"lang": "en", "value": "CWE-400"}]}], "descriptions": [{"lang": "en", "value": "CVE-2026-55398\nis a memory management vulnerability in Secure Access clients and servers prior\nto 14.55. Attackers with intimate knowledge of and total control over the\ntunnel protocol can create a non-persistent DoS against the server."}], "lastModified": "2026-07-16T16:27:38.407", "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"}