What’s Vulnerable › Vulnerabilities

CVE-2026-0239: Chronosphere Chronocollector Information Disclosure Vulnerability

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-05-13 · updated 2026-10-26
• Weakness: CWE-497

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

• Palo Alto Networks Chronosphere Chronocollector: before 0.116.0 — fixed in 0.116.0
• Palo Alto Networks Chronosphere Chronocollector: before v0.116.0 — fixed in v0.116.0

How to fix

Upgrade to a fixed version: Palo Alto Networks Chronosphere Chronocollector 0.116.0; Palo Alto Networks Chronosphere Chronocollector v0.116.0. Check the vendor advisory for mitigations.

References

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

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