CVE-2026-0239 Chronosphere Chronocollector Information Disclosure Vulnerability
Unauthenticated attackers can retrieve sensitive information from the Chronosphere Chronocollector service via network access.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-0239?
CVE-2026-0239 is a medium-severity vulnerability in Palo Alto Networks Chronosphere Chronocollector, published on 13 May 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
An information disclosure vulnerability in the Chronosphere Chronocollector enables an unauthenticated attacker with network access to the collector service to retrieve sensitive information.
Weakness: CWE-497
Which versions are affected by CVE-2026-0239?
It affects 1 product.
Products include Paloaltonetworks Chronosphere Collector.
How do I fix CVE-2026-0239?
No fix has been published for CVE-2026-0239 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-0239 being exploited?
There is no known exploitation of CVE-2026-0239 in the wild and no public exploit code.
Sources
Also known as GHSA-3544-2m8c-rh83.