CVE-2026-5387

CWE-862Published: April 15, 2026· Updated: Apr 17, 2026

9.3

CVSS v3.1

EPSS:0.04%probability of exploitation in 30 daysPercentile:12.3th

Official Description

The vulnerability, if exploited, could allow an unauthenticated miscreant to perform operations intended only for Simulator Instructor or Simulator Developer (Administrator) roles, resulting in privilege escalation with potential for modification of simulation parameters, training configuration, and training records.

NVD Source

Technical Analysis

CVE-2026-5387 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

CVSS v3.1 Vector Breakdown

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges Req.None

User InteractionNone

ScopeX

Impact

Confidentiality

Integrity

Availability

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/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

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time

Exploit-DB

Offensive Security exploit database

GitHub PoC Search

Community PoC repositories

Rapid7 / Metasploit

Metasploit module search

PacketStorm

Security advisories & exploits

External links open in a new tab. Always verify in a controlled environment before use.

News & Research Mentioning CVE-2026-5387

AVEVA Pipeline Simulation

CISA Alerts· Apr 16, 2026

View CSAF Summary Successful exploitation of this vulnerability could allow an unauthenticated attacker to modify simulation parameters, training configuration and training records. The following versions of AVEVA Pipeline Simulation are affected: Pipeline Simulation <=2025_SP1_build_7.1.9497.6351 CVSS Vendor Equipment Vulnerabilities v3 9.1 AVEVA AVEVA Pipeline Simulation Missing Authorization Background Critical Infrastructure Sectors: Critical Manufacturing Countries/Areas Deployed: Worldwide Company Headquarters Location: United Kingdom Vulnerabilities Expand All + CVE-2026-5387 The vulnerability, if exploited, could allow an unauthenticated miscreant to perform operations intended only for Simulator Instructor or Simulator Developer (Administrat [xlite_meta score:63 src:CISA Alerts xlite_fp:5cf097d7a7a85d0165ba06c5ca399b9acb7739280ed18f1e7850359e1f125813]