Authorization Bypass Through User-Controlled Key in Kibana Leading to Unauthorized Data Modification in Kibana (Elastic Kibana)

CVE-2026-78581
MEDIUM 4.2

At a glance

Source
NVD
EPSS
EPSS 0.20 % · percentile 10 ()
State
PUBLISHED
Published
Updated
Assigner
elastic
NVD status
Analyzed

Description

Authorization Bypass Through User-Controlled Key (CWE-639) in Kibana can lead to unauthorized data modification via Accessing Functionality Not Properly Constrained by ACLs (CAPEC-1). Under certain conditions, an authenticated user could reference another user's AI Assistant conversation identifier to access or modify a conversation they do not own. Successful exploitation requires knowledge of a hard-to-guess identifier.

Weaknesses (CWE)

  • CWE-639 — Authorization Bypass Through User-Controlled Key

References

Scores

VersionScoreVectorScored by
CVSS 3.1MEDIUM 4.2CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:Nelastic
CVSS 3.1MEDIUM 4.2CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:NNVD · security@elastic.co (Secondary)

European references

Affected configurations (NVD CPE)

Affected products

ProductVersions
Elastic · Kibanaaffected 8.0.0 ≤ 8.16.2

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD