Vulnerability · Published May 13, 2026 · Assigned by palo_alto
CVE-2026-0239Chronosphere Chronocollector Information Disclosure Vulnerability
Medium 4.9
In plain English
A medium-severity security flaw in Chronosphere Chronocollector from Palo Alto Networks. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 7% of all known vulnerabilities).
Severity (CVSS 4.0)4.9Medium
Exploit odds (30 days)0.2%top 93.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Palo Alto Networks | Chronosphere Chronocollector | 0.0.0 – before v0.116.0 |
Weakness: CWE-497 · Vector: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/AU:N/R:U/V:C/RE:M/U:Amber
References
- https://security.paloaltonetworks.com/CVE-2026-0239 vendor-advisory