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Absolute Secure Access EUVDEUVD-2026-115626

| CVE-2026-116768 HIGH
Improper Input Validation (CWE-20)
2026-11-02 Absolute GHSA-5cpp-r9fh-2wrc
7.1
CVSS 4.0 · Vendor: Absolute
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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata – not a confirmed exploit chain

  1. Access
    Obtain valid low-privilege credentials
  2. Delivery
    Initiate first-time connection to Secure Access server
  3. Exploit
    Send input exceeding unvalidated length field
  4. Execution
    Trigger missing length validation fault
  5. Impact
    Cause persistent denial of service

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A05:2025 - Injection
ASVS 5.0
V2 - Validation and Business Logic Input validation, allowlisting
Exploitation Conditions

Exploitation requires an authenticated session (CVSS PR:L) to an Absolute Secure Access server running a version prior to 14.61, and is triggered specifically during a client's first-time connection, where a missing length validation can be abused to cause a persistent denial of service. The gating factors that limit real-world risk are the authentication requirement (the attacker needs valid low-privilege credentials, not anonymous network access) and the version constraint (servers at 14.61 or later are fixed). No user interaction by a victim is required (UI:N), and no special non-default configuration is identified in the available sources.

Impact

This is a moderate-priority availability issue, not a critical emergency. The CVSS 4.0 vector (AV:N/AC:L/AT:N/PR:L/UI:N) shows network reach with low attack complexity and no special attack requirements, but it requires low-level privileges (PR:L) - meaning the attacker must already be an authenticated user, which substantially narrows the threat population versus an unauthenticated flaw. Impact is dominated by availability (VA:H) because the denial of service is described as persistent, with only low integrity impact (VI:L) and no confidentiality impact. No EPSS score was supplied, so statistical exploitation probability cannot be weighed. There is no CISA KEV listing and no public exploit identified - the only reference is the vendor's own advisory, not proof-of-concept code - so there is no evidence of active or imminent exploitation. The vuln.today decision label is 'this_week,' consistent with a real but non-emergency fix priority. Net: a legitimate availability risk warranting prompt patching, but its gating on authentication and lack of exploitation signals keep it below top-tier urgency.

Exploit ScenarioDerived

An attacker with valid (low-privilege) credentials to an Absolute Secure Access server establishes a first-time connection crafted to exceed an unvalidated length field, triggering the missing length validation flaw. The result is a persistent denial of service that keeps the server or service unavailable beyond the single session. No public exploit code is known, so exploitation would currently require independent development.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).
Patch available 0.3% exploitation probability (EPSS)

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AnalysisAIv1 – Nov 02, 2026

Persistent denial of service in Absolute Secure Access servers prior to 14.61 is reachable by an authenticated attacker who connects for the first time, where missing length validation can be abused to disrupt availability. The flaw requires valid low-privilege credentials (PR:L) and no victim interaction, and servers at 14.61 or later are fixed. No public exploit was identified at time of analysis, and this is assessed as a moderate-priority availability issue rather than a critical emergency.

RemediationAI

Vendor-released patch: 14.61 and later. Upgrade Absolute Secure Access servers to version 14.61 or later; the vendor advisory is at https://www.absolute.com/platform/security-information/vulnerability-archive/cve-2026-116768. Because exploitation requires valid low-privilege credentials and is tied to first-time client connections, limiting distribution of credentials to trusted users reduces exposure, but upgrading remains the complete remediation. No separate workaround is identified in the available sources.

Affected VersionsENISA

Secure Access 0 <14.61

Affected Packages

euvd secure_access fix: 14.61

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 1 package in euvd

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

Absolute Secure Access is a remote-access and zero-trust network access server product; the affected CPE is cpe:2.3:a:absolute_software:secure_access:*:*:*:*:*:*:*:* for versions before 14.61. The root cause is missing length validation in the server's handling of a client's first-time connection, which allows an authenticated user to supply data that the server fails to bound-check, resulting in a persistent denial of service (availability impact High, with a low integrity impact per the assessed vector). The CVSS 4.0 vector AV:N/AC:L/AT:N/PR:L/UI:N confirms network reachability, low attack complexity, no attack prerequisites, authenticated access, and no user interaction; the trigger details beyond the first-time connection scenario are not described in the available sources, and no CWE mapping is provided.

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Severity by source

Vendor (Absolute) PRIMARY 7.1 HIGH
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N
vuln.today AI 7.1 HIGH

Authenticated network attacker (PR:L, AV:N, AC:L) causes a persistent denial of service (A:H) with minor integrity effect (I:L) and no confidentiality impact.

3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H
4.0 AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N

Primary rating from Vendor (Absolute).

CVSS VectorVendor: Absolute

Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
Low
User Interaction
None
Vulnerable system: Confidentiality
None
Vulnerable system: Integrity
Low
Vulnerable system: Availability
High
Subsequent system: Confidentiality
None
Subsequent system: Integrity
None
Subsequent system: Availability
None

Lifecycle Timeline

2
Patch available
Nov 02, 2026 - 22:03 EUVD
CVE Published
Nov 02, 2026 - 20:27 cve.org
HIGH 7.1

DescriptionCVE.org

CVE-2026-116768 is a missing length validation vulnerability in Secure Access servers prior to 14.61. Authenticated attackers can cause a persistent denial of service when connecting for the first time.

Executive ViewAI

Why It Matters

Absolute Secure Access servers are vulnerable to a persistent denial-of-service attack that can cause prolonged service outages. An authenticated user with low-level privileges could exploit this flaw, disrupting remote access for the organization and potentially impacting business operations.

Business Impact: High
Compensating Controls

Apply vendor patch.

Threat Intelligence Overview

EPSS Score
0.3%
Top 78% exploitable
Prevalence
Medium
enterprise VPN/ZTNA appliance, significant but not universal deployment
Social Media
1
Sightings
Data Quality
5 sources
Confidence: Medium

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity HIGH
CISA KEV No
Public POC No
EPSS 0.3%
Patch available Yes
Active threat No
Deciding rule
HIGH severity (CVSS 7.0-8.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision
Scheduled
Exploitation
None
System Exposure· derived
Open
Automatable
No
Human Impact
High
Technical Impact
Partial

Priority Score

36
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +36
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Denial of Service attacks render applications or systems unavailable by overwhelming resources or triggering failure conditions.

CVE-2026-97716 HIGH
8.7 Oct 07

Unauthenticated remote attackers can cause a persistent denial of service on Absolute Secure Access servers running vers

CVE-2026-55402 HIGH
8.7 Aug 13

Persistent denial-of-service in Absolute Security Secure Access servers prior to version 14.57 is achievable by network

CVE-2026-33445 HIGH
8.7 Jul 15

Persistent denial-of-service in Absolute Secure Access servers before version 14.55 allows a remote attacker with deep,

CVE-2026-40952 HIGH
8.5 Jul 15

Local privilege escalation in Absolute Secure Access for Windows (client and server) before version 14.55 allows a low-p

CVE-2026-33451 HIGH
8.5 Apr 30

Local privilege escalation in Absolute Secure Access Windows client versions prior to 14.50 allows authenticated local a

CVE-2026-116766 HIGH
8.3 Nov 02

Absolute Secure Access server versions 13.0 up to but not including 14.61 mishandle attacker-supplied input, allowing a

CVE-2026-97714 HIGH
8.2 Oct 07

Denial of service in Absolute Secure Access servers before version 14.60 allows unauthenticated remote attackers to caus

CVE-2025-59595 HIGH
8.2 Nov 04

CVE-2025-59595 is an internally discovered denial of service vulnerability in versions of Secure Access prior to 14.12.

CVE-2025-49080 HIGH
7.5 Jun 12

Memory management vulnerability in Absolute Secure Access server versions 9.0 through 13.54 that allows unauthenticated,

CVE-2026-0517 HIGH
7.5 Jan 17

Secure Access Server versions before 14.20 are vulnerable to a network-based denial-of-service attack where unauthentica

CVE-2026-116767 HIGH
7.1 Nov 02

Authenticated users of Absolute Secure Access servers running versions prior to 14.61 can supply improperly handled inpu

CVE-2026-97715 HIGH
7.1 Oct 07

Persistent denial of service in Absolute Secure Access servers before 14.60 can be triggered by an authenticated remote

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