Operation on a Resource after Expiration or Release in Kibana - CVE-2026-33463

 

Operation on a Resource after Expiration or Release in Kibana - CVE-2026-33463

Published: May 29, 2026


Vulnerability identifier: #VU132758
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-33463
CWE-ID: CWE-672
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to disclose sensitive information.

The vulnerability exists due to operation on a resource after expiration or termination in Kibana public file sharing when validating expiration timestamps for time-bounded download links. A remote attacker can use an expired token in their possession to disclose sensitive information.

Only deployments that use the public file sharing feature to issue time-bounded download links are affected.


Affected software

Kibana

How to mitigate CVE-2026-33463

Install security update from vendor's website.

Kibana - addressed in versions 8.19.16, 9.3.5

External References

Related Security Bulletins