CVE-2026-5387: AVEVA Pipeline Simulation Missing Authorization

Awaiting analysis

Published 15-04-2026Last modified 15-04-2026

Vulnerability summary

CVE-2026-5387 is a critical (CVSS 9.3) Missing Authorization vulnerability in aveva pipeline simulation 2025. EPSS estimates a 0.50% chance of exploitation in the next 30 days, higher than 41.6% of scored vulnerabilities.

Overall risk

70/100

0100

High · default modelHow is this calculated?

CVSS score

9.3/10

010

Critical · v4.0 (CVE.org)

EPSS score

0.50%

0%100%

Low · +0.11 pp in 30 days

KEVNot listedNot listed by any tracked catalog.

RansomwareNot flaggedNo ransomware use recorded.

Public exploits0No public exploits recorded

Timeline

15-04-2026
PublishedVulnerability first disclosed.
15-04-2026
Last modifiedVulnerability information updated.

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.

CVSS metrics

2 scores · 2 sources · 1 version

v4.09.3

EPSS trend

Probability

0.50%

Chance of exploitation in the next 30 days

Percentile

42%

Versus all other CVEs

30-day change

Increase +0.11 pp

From 0.39% on 22-09-2026

22-09-202622-10-2026

Known exploited

Compare KEV catalogs

CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

CWE-862Missing AuthorizationThe product does not perform an authorization check when an actor attempts to access a resource or perform an action.

Affected systems

Aveva1 product

pipeline simulation 2025≤ 2025 SP1 (build 7.1.9497.6351)

1 vendor · 1 product

References

4 links