4.3

CVE-2025-37734: elastic kibana Origin Validation Error

CVSS: 4.3v3.1MediumAnalyzed
AliasesCGA-3hgp-g673-wg2vCGA-7g5m-mm6x-577gCGA-g8vc-6jw3-w9mf
Published 12-11-2025Last modified 12-11-2025

Vulnerability summary

CVE-2025-37734 is a medium (CVSS 4.3) Origin Validation Error vulnerability in elastic kibana. EPSS estimates a 0.21% chance of exploitation in the next 30 days, higher than 11% of scored vulnerabilities.

Overall risk
17/100
0100
Low · default modelHow is this calculated?
CVSS score
4.3/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.21%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 0 · Related 1

Timeline

  1. 12-11-2025
    PublishedVulnerability first disclosed.
  2. 12-11-2025
    Last modifiedVulnerability information updated.

Description

Origin Validation Error in Kibana can lead to Server-Side Request Forgery via a forged Origin HTTP header processed by the Observability AI Assistant.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.21%

Chance of exploitation in the next 30 days

Percentile

11%

Versus all other CVEs

30-day change

0.00 pp

From 0.21% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.21%

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

Chainguard3 products
  • kibana-8.17-bitnami< 8.17.10-r11
  • kibana-8.18-bitnami< 8.18.8-r10
  • kibana-8.19-bitnami< 8.19.11-r0
Elastic1 product
  • kibanaEOL≥ 8.12.0, ≤ 8.19.6 | ≥ 9.1.0, ≤ 9.1.6 | ≥ 8.12.0, < 8.19.7 | ≥ 9.1.0, < 9.1.7 | 9.2.0

2 vendors · 4 products

References

4 links