Vulnerability · Published Jul 1, 2026 · Assigned by elastic

CVE-2026-49088Insertion of Sensitive Information into Log File in Kibana Leading to Information Disclosure

Medium 4.4

In plain English

A medium-severity sensitive data in logs in Kibana from Elastic. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 25% of all known vulnerabilities).

Severity (CVSS 3.1)4.4Medium
Exploit odds (30 days)0.3%top 74.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

Insertion of Sensitive Information into Log File (CWE-532) in Kibana can lead to information disclosure. When the optional application performance monitoring (APM) instrumentation is enabled, sensitive request header values could be recorded in application logs, where they may be accessible to operators with log access.

Affected products (as reported)

VendorProductVersions
Elastic Kibana 8.0.0 – through 8.18.89.1.0 – through 9.1.59.0.0 – through 9.0.78.19.0 – through 8.19.5

Weakness: CWE-532 · Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:N

References