CVE-2026-72677 Relative Path Traversal in Kibana Fleet Leading to Unauthorized Deletion of Users and Other Resources

What is CVE-2026-72677?

CVE-2026-72677 is a high-severity path traversal vulnerability in Elastic Kibana, published on 13 Aug 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

Relative Path Traversal (CWE-23) in Kibana can lead to the unauthorized deletion of Kibana resources via Relative Path Traversal (CAPEC-139). Kibana Fleet accepted a user-supplied identifier for a Fleet Server host configuration without rejecting relative traversal sequences. The identifier is stored as provided and is later incorporated into the request that Kibana issues when that configuration is removed.

Weakness: CWE-23

Which versions are affected by CVE-2026-72677?

2 open source packages ship an affected version, including kibana and elk. It affects 1 product.

Products include Elastic Kibana.

How do I fix CVE-2026-72677?

Upgrade kibana to a fixed version for your release line: 8.19.17, 9.3.6 or 9.4.3.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2026-72677 being exploited?

There is no known exploitation of CVE-2026-72677 in the wild and no public exploit code.

Other vulnerabilities in Elastic Kibana

• CVE-2019-7609 Kibana Arbitrary Code Execution Exploited Critical 9.8
• CVE-2025-25015 Kibana arbitrary code execution via prototype pollution Critical 9.9
• CVE-2024-37288 Deserialization in Kibana Critical 9.9
• CVE-2023-31415 Code injection in Kibana Critical 9.9
• CVE-2018-17245 Information disclosure in Kibana Critical 9.8

All Elastic Kibana vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as BIT-elk-2026-72677, BIT-kibana-2026-72677, GHSA-xxj8-h2w8-grp8, MINI-4q3v-8g25-3433, MINI-74r7-wwqr-xcm9, MINI-92g9-cpvv-526v and 4 more.