5.3

CVE-2026-56152: elastic endpoint_security Incorrect Authorization

CVSS: 5.3v3.1MediumModified
Published 01-07-2026Last modified 04-09-2026

Vulnerability summary

CVE-2026-56152 is a medium (CVSS 5.3) Incorrect Authorization vulnerability in elastic endpoint_security. EPSS estimates a 0.30% chance of exploitation in the next 30 days, higher than 21.7% of scored vulnerabilities.

Overall risk
21/100
0100
Low · default modelHow is this calculated?
CVSS score
5.3/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.30%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 01-07-2026
    PublishedVulnerability first disclosed.
  2. 04-09-2026
    Last modifiedVulnerability information updated.

Description

Incorrect Authorization (CWE-863) in Kibana can lead to unauthorized information disclosure via Accessing Functionality Not Properly Constrained by ACLs (CAPEC-1). Under certain conditions, a low-privileged authenticated user can access response action data that they are not authorized to view.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.30%

Chance of exploitation in the next 30 days

Percentile

22%

Versus all other CVEs

30-day change

0.00 pp

From 0.30% on 18-09-2026

18-09-202618-10-2026
EPSS score
0.30%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Elastic2 products
  • endpoint_security≥ 8.6.0, < 8.19.13 | ≥ 9.0.0, < 9.2.7 | ≥ 9.3.0, < 9.3.2
  • kibana≥ 9.3.0, ≤ 9.3.1 | ≥ 8.6.0, ≤ 8.19.12 | ≥ 9.0.0, ≤ 9.2.6

1 vendor · 2 products

References

1 links