CVE-2026-40958 | BDVDB-2026-348596 Detail

Absolute SecuritySecure Access

Description#

CVE-2026-40958 is a input validation error in 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.

Impact#

Per CVSS v4.0: confidentiality impact none, integrity impact none, availability impact low. Attack vector: network.

Weaknesses#

CWE-20 Improper Input Validation

References#

https://www.absolute.com/platform/security-information/vulnerability-archive/cve-2026-40958

Exploit#

No public exploit known

History#

Version 12026-07-15Record published in the CVE List.
Version 22026-07-16Most recent update recorded in the CVE List.

Published

Published: 2026-07-15
Last modified: 2026-07-16

Vendor information

Vendor: Absolute Security
Product: Secure Access

All Absolute Security vulnerabilities

Score

2.3 Low

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 32.0.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Improper Input Validation

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
< 14.55
Fixed
14.55

Scoring System

CVSS v4.0

2.3 Low

CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N

Metric breakdown
Attack Vector	Network
Attack Complexity	Low
Attack Requirements	Present
Privileges Required	None
User Interaction	Passive
Vulnerable System Confidentiality	None
Vulnerable System Integrity	None
Vulnerable System Availability	Low
Subsequent System Confidentiality	None
Subsequent System Integrity	None
Subsequent System Availability	None

CVSS v3.1

Not available

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).