CVE-2026-0239 PUBLISHED

Chronosphere Chronocollector Information Disclosure Vulnerability

Assigner: palo_alto
Reserved: 03.11.2025 Published: 13.05.2026 Updated: 13.05.2026

An information disclosure vulnerability in the Chronosphere Chronocollector enables an unauthenticated attacker with network access to the collector service to retrieve sensitive information.

Metrics

CVSS 4.0

CVSS 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
CVSS Score: 4.9

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Adjacent	Confidentiality	High	Confidentiality	None
Attack Complexity	Low	Integrity	None	Integrity	None
Attack Requirements	None	Availability	None	Availability	None
Privileges Required	None
User Interaction	None

CVSS 4.0

Product Status

Vendor	Palo Alto Networks
Product	Chronosphere Chronocollector
Versions	Default: unaffected affected from 0.0.0 to v0.116.0 (excl.)

Exploits

Palo Alto Networks is not aware of any malicious exploitation of this issue.

Credits

Palo Alto Networks thanks our internal security research teams for discovering and reporting this issue. other

References

https://security.paloaltonetworks.com/CVE-2026-0239

Problem Types

CWE-497 Exposure of Sensitive System Information to an Unauthorized Control Sphere CWE

Impacts

CAPEC-37 Retrieve Embedded Sensitive Data