CVE-2026-1507 Uncaught Exception vulnerability in AVEVA PI Data Archive
An unauthenticated attacker can remotely crash core PI services via an uncaught exception, causing a denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-1507?
CVE-2026-1507 is a high-severity denial of service vulnerability in AVEVA PI Data Archive PI Server, published on 10 Feb 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-248
Which versions are affected by CVE-2026-1507?
How do I fix CVE-2026-1507?
No fix has been published for CVE-2026-1507 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2026-1507 being exploited?
There is no known exploitation of CVE-2026-1507 in the wild and no public exploit code.
Sources
Also known as GHSA-83rc-2389-wccm.