CVE-2026-49088 Insertion of Sensitive Information into Log File in Kibana Leading to Information Disclosure
Enabling optional APM instrumentation in Kibana may log sensitive request headers, exposing them to operators with log access.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-49088?
CVE-2026-49088 is a medium-severity vulnerability in Elastic Kibana, published on 1 Jul 2026. An attacker needs administrator access to exploit it, with no action from the victim.
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.
Weakness: CWE-532
Which versions are affected by CVE-2026-49088?
It affects 1 product.
Products include Elastic Kibana.
How do I fix CVE-2026-49088?
Apply the vendor's patch.
Is CVE-2026-49088 being exploited?
There is no known exploitation of CVE-2026-49088 in the wild and no public exploit code.
Other vulnerabilities in Elastic Kibana
Sources
Also known as GHSA-r35r-rm7g-v9m8, MINI-47f8-5hgw-82m8, MINI-7pm3-6q7g-9j6v, MINI-99c6-qvm3-qwqp, MINI-vgg8-vhq3-95w2.