Vulnerability · Published Apr 15, 2026 · Assigned by icscert
CVE-2026-5387AVEVA Pipeline Simulation Missing Authorization
Critical 9.3
In plain English
A critical-severity missing authorization in Pipeline Simulation 2025 from AVEVA. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 33% of all known vulnerabilities).
Severity (CVSS 4.0)9.3Critical
Exploit odds (30 days)0.4%top 66.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| AVEVA | Pipeline Simulation 2025 | 0 – through 2025 SP1 (build 7.1.9497.6351) |
Weakness: CWE-862 · Vector: 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
References
- https://www.aveva.com/content/dam/aveva/documents/support/cyber-security-updates/SecurityBulletin_AVEVA-2026-004.pdf
- https://softwaresupportsp.aveva.com/en-US/downloads/products/details/57b79fdb-7b5f-4125-8a44-833b6b5c6d6f
- https://www.cisa.gov/news-events/ics-advisories/icsa-26-106-04
- https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-106-04.json