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EnCase SAFE Agents EUVDEUVD-2026-99206

| CVE-2026-75120 CRITICAL
Authentication Bypass by Spoofing (CWE-290)
2026-10-13 OpenText GHSA-v6cw-jvjx-mmwj
9.3
CVSS 4.0 · Vendor: OpenText
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Attack ChainAIDerived

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

  1. Access
    Reach exposed SAFE Agent over network
  2. Delivery
    Initiate session establishment
  3. Exploit
    Bypass authentication controls (CWE-290)
  4. Execution
    Establish unauthorized agent connection
  5. Impact
    Abuse privileged forensic access on endpoint

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A07:2025 - Authentication Failures
ASVS 5.0
V6 - Authentication Anti-spoofing controls
MITRE ATT&CK

1 technique across 1 tactic: Defense Evasion

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

Exploitation Conditions

Exploitation requires network reachability to an EnCase SAFE Agent endpoint and the ability to initiate a session with it; the flaw lies in the session-establishment phase, where intended security controls are bypassed to create an unauthorized/unauthenticated connection (CWE-290). Per the CVSS vector (AV:N/AC:L/PR:N/UI:N/AT:N) there is no special configuration, authentication, or user-interaction prerequisite stated, so default deployments exposing the agent's listening interface are at risk. The practical limiting factor is exposure scope: agents reachable only on hardened, segmented management networks are far less exposed than those reachable from untrusted networks. Affected products are OpenText Endpoint Investigator, Endpoint Forensics & Response, Information Assurance, and Endpoint Security that embed the SAFE Agents component.

Impact

This is a genuine high-priority issue, not merely a high-CVSS paper tiger. The vendor-supplied CVSS 4.0 vector (AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H, 9.3) describes a fully remote, low-complexity, unauthenticated authentication bypass (CWE-290, Authentication Bypass by Spoofing) in the EnCase SAFE Agents that yields high confidentiality, integrity, and availability impact on the agent. The security significance is amplified by the nature of the product: these agents are a forensic/DFIR control plane with deep endpoint access, so an unauthorized session is high-value. However, no EPSS score, no CISA KEV listing, and no public POC were provided, so there is currently no evidence of active exploitation or widespread automated attacks - the severity rests on the vulnerability's intrinsic characteristics rather than observed in-the-wild activity. The only reference is the OpenText support KB advisory; NVD enrichment, EPSS, and independent corroboration are absent. Net: treat as urgent-to-patch due to unauthenticated remote access to a privileged forensic agent, while recognizing that exploitation-likelihood signals (EPSS/KEV/POC) are simply missing rather than low.

Exploit ScenarioDerived

A remote attacker with network reachability to an exposed EnCase SAFE Agent initiates a session and bypasses the intended session-establishment security controls, authenticating as a trusted party without valid credentials. Having established an unauthorized connection to the privileged forensic agent, the attacker can leverage the agent's endpoint access to read, alter, or disrupt operations. No public exploit identified at time of analysis, and no user interaction is required per the CVSS vector.

Act Now Prioritize within 24-48h. Why: CRITICAL severity.
No patch listed yet 0.4% exploitation probability (EPSS)

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AnalysisAIv1 – Oct 13, 2026

Unauthenticated remote attackers can bypass the security controls that are supposed to be enforced during session establishment with an OpenText EnCase SAFE Agent, allowing an unauthorized connection to be created to the agent without any credential or user interaction (CVSS 4.0 base score 9.3; vector reports PR:N, UI:N, AT:N). The affected deployments are OpenText Endpoint Investigator, Endpoint Forensics & Response, Information Assurance, and Endpoint Security installations that embed the SAFE Agents component, with default agents whose listening interface is reachable from an untrusted network facing the greatest risk. No public exploit code has been identified and the flaw is not confirmed as actively exploited (CISA KEV), but the pre-authentication, network-reachable bypass with full confidentiality, integrity, and availability impact makes this a genuine high-priority issue rather than a high-CVSS paper tiger.

RemediationAI

The provided intelligence includes no vendor-confirmed fix version, so no specific patched release can be cited; the authoritative guidance is the OpenText knowledge-base advisory KB0872887 (https://support.opentext.com/csm?id=ot_kb_unauthenticated&sysparm_article=KB0872887), which should be checked for the fixed SAFE Agent build and applied to every one of the four affected product families (Endpoint Investigator, Endpoint Forensics & Response, Information Assurance, Endpoint Security) rather than only to the console. Until a patched agent is deployed, the highest-value compensating control is exposure reduction, since the CVSS vector indicates no authentication or user-interaction prerequisite and the only real limiting factor is network reachability: restrict the agent's listening port with host-based firewall rules so that only the authorized management/collection servers can reach it, and block that port at any perimeter or untrusted-segment boundary - the trade-off is that off-network or remote endpoints will no longer be reachable for collection until they re-enter the allowed network, and mis-scoped rules will silently break legitimate agent communication. Where supported, enforce certificate-based mutual authentication or pinning on the session-establishment path and reject any connection that does not present a trusted management certificate, accepting that key rotation and certificate lifecycle management become an operational requirement. Finally, segment agents onto a dedicated hardened management VLAN with no inbound path from user or guest networks (which reduces the reach of off-VLAN forensic collection), and monitor agent logs and network telemetry for anomalous or unexpected inbound session attempts to that listening interface as a detection for exploitation attempts in the absence of a confirmed patch.

Affected VersionsENISA

Endpoint Security 0 ≤24.1
Endpoint Investigator 0 ≤26.1
Endpoint Forensics & Response 0 ≤26.1
Information Assurance 0 ≤26.1

Affected Packages

euvd endpoint_forensics_response no fix
euvd endpoint_investigator no fix
euvd endpoint_security no fix
euvd information_assurance no fix

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 4 packages in euvd

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

Technical ContextAI · show details

The vulnerable technology is the OpenText EnCase SAFE Agent, the endpoint-side software component shared by OpenText Endpoint Investigator, Endpoint Forensics & Response, Information Assurance, and Endpoint Security that accepts and negotiates sessions initiated by management/collection infrastructure. The root cause class is CWE-290 (Authentication Bypass by Spoofing): during session establishment the agent fails to adequately verify the identity or origin of the connecting party, so an attacker can impersonate or otherwise satisfy the connection handshake and skip the controls that are intended to gate agent sessions. Because the flaw sits in the handshake/authentication path rather than in a specific downstream parser, the CVSS 4.0 vector shows AV:N/AC:L/AT:N/PR:N/UI:N with VC:H/VI:H/VA:H, i.e. a network-reachable, low-complexity, unauthenticated, no-user-interaction path to total compromise of the agent's own confidentiality, integrity, and availability (subsequent-system metrics SC/SI/SA are all N, indicating the assessed impact is contained to the agent host rather than guaranteed lateral propagation). CPE data confirms the four affected product families are unversioned wildcards in the source feed, so version/branch identification must come from the vendor advisory, and the single reference is the OpenText support knowledge-base article KB0872887.

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Severity by source

Vendor (OpenText) PRIMARY 9.3 CRITICAL
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
vuln.today AI 9.8 CRITICAL

Session-establishment authentication bypass is remotely reachable and low-complexity with no privileges or interaction (AV:N/AC:L/PR:N/UI:N); unauthorized access to a privileged forensic agent yields full C/I/A impact.

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

Primary rating from Vendor (OpenText).

CVSS VectorVendor: OpenText

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

DescriptionCVE.org

The OpenText™ (EnCase SAFE Agents) component utilized by OpenText™ Endpoint Investigator, OpenText™ Endpoint Forensics & Response, OpenText™ Information Assurance, and OpenText™ Endpoint Security contains a security vulnerability on the Agents that could allow unauthorized or unauthenticated activity that establishes an unauthorized connection to a vulnerable Agent by bypassing intended security controls during session establishment

Executive ViewAI

Why It Matters

OpenText EnCase SAFE Agent, embedded in OpenText Endpoint Investigator, Endpoint Forensics & Response, Information Assurance, and Endpoint Security, suffers from a critical unauthenticated remote bypass (CVE-2026-75120) that permits attackers to establish unauthorized connections without credentials. Organizations using these products, particularly those with agents reachable from untrusted networks, face severe risk of data compromise and loss of endpoint control. No public exploit identified at time of analysis, but the flaw's pre-authentication network-reachable nature and full impact on confidentiality, integrity, and availability demand immediate leadership attention.

Business Impact: Severe
Compensating Controls

No vendor-released patch identified at time of analysis. Interim mitigations include restricting network access to the SAFE Agent listening interface (e.g., firewall rules, network segmentation), monitoring for unauthorized connection attempts, and disabling the agent on systems where it is not essential.

Threat Intelligence Overview

EPSS Score
0.4%
Top 66% exploitable
Prevalence
Low
niche DFIR/forensic enterprise tooling, industry-specific deployment footprint
Data Quality
4 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 CRITICAL
CISA KEV No
Public POC No
EPSS 0.4%
Patch available No
Active threat No
Deciding rule
CRITICAL severity
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· derived
Out-of-Cycle
Exploitation· derived
None
System Exposure· derived
Open
Automatable· derived
Yes
Human Impact
Very High

Priority Score

46
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +46
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Authentication bypass attacks exploit flaws in the verification mechanisms that control access to systems and applications.

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