CVE-2026-1507 - Uncaught Exception vulnerability in AVEVA PI Data Archive

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HIGH

Uncaught Exception vulnerability in AVEVA PI Data Archive

Published Feb 10, 2026

8.7

HIGH

CVSS 4.0

EPSS 0.30%

Description

The affected products are vulnerable to an uncaught exception that could allow an unauthenticated attacker to remotely crash core PI services resulting in a denial-of-service.

Affected products

Vendor Aveva Product PI Data Archive PI Server Default
unaffected
Affected
- ≥ 0, ≤ 2018_SP3_Patch_7

Default status is the baseline for the product. Each version can override it (patched versions can be marked unaffected).

Vendor	Product	Default status	Versions
Aveva	PI Data Archive PI Server	unaffected	Affected ≥ 0, ≤ 2018_SP3_Patch_7

Remediation

Vendor solution

AVEVA recommends that organizations evaluate the impact of this vulnerability based on their operational environment, architecture, and product implementation. Users of affected product versions should apply security updates to mitigate the risk of exploit.

All impacted versions of PI Data Archive can be fixed by upgrading to PI Server 2024 R2 or later available here: https://softwaresupportsp.aveva.com/en-US/downloads/products/details/8c9b0e8c-eb68-481f-b420-c87a253a4172 .

PI Data Archive delivered by PI Server 2018 SP3 Patch 7 and prior can be fixed by upgrading to PI Server 2018 SP3 Patch 8 or higher available here: https://softwaresupportsp.aveva.com/en-US/downloads/products/details/79492560-7e4c-4800-8bd7-40cce61a17d2 .

The following general defensive measures are recommended: * Monitor liveness of services listed in your installation’s “\PI\adm\pisrvstart.bat”. * Set the PI Data Archive Subsystem services to automatically restart. * PI Data Archive nodes should limit port 5450 inbound access to trusted workstations, users, and software.

For additional information please refer to AVEVA-2026-002(

https://www.aveva.com/content/dam/aveva/documents/support/cyber-security-updates/SecurityBulletin_AV... https://www.aveva.com/content/dam/aveva/documents/support/cyber-security-updates/SecurityBulletin_AVEVA-2026-002.pdf) .

Weaknesses (1)

CWE-248