Operation on a Resource after Expiration or Release in Kibana - CVE-2026-33463
Published: May 29, 2026
Vulnerability identifier: #VU132758
CSH Severity: Medium
CVSS v4.0: 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/E:U/U:Green
CVE-ID: CVE-2026-33463
CWE-ID: CWE-672
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Elastic Stack
Affected software:
Kibana
Kibana
Detailed vulnerability description
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.
How to mitigate CVE-2026-33463
Install security update from vendor's website.