9.9

CVE-2025-25015: elastic kibana Prototype Pollution

CVSS: 9.9v3.1CriticalAnalyzed
Published 05-03-2025Last modified 26-02-2026
Open JSON

Vulnerability summary

CVE-2025-25015 is a critical (CVSS 9.9) Prototype Pollution vulnerability in elastic kibana. EPSS estimates a 1.31% chance of exploitation in the next 30 days, higher than 70.4% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.9/10
010
Critical · v3.1 (CVE.org)
EPSS score
1.31%
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. 05-03-2025
    PublishedVulnerability first disclosed.
  2. 26-02-2026
    Last modifiedVulnerability information updated.

Description

Prototype pollution in Kibana leads to arbitrary code execution via a crafted file upload and specifically crafted HTTP requests. In Kibana versions >= 8.15.0 and < 8.17.1, this is exploitable by users with the Viewer role. In Kibana versions 8.17.1 and 8.17.2 , this is only exploitable by users that have roles that contain all the following privileges: fleet-all, integrations-all, actions:execute-advanced-connectors

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

1.31%

Chance of exploitation in the next 30 days

Percentile

70%

Versus all other CVEs

30-day change

0.00 pp

From 1.31% on 21-09-2026

21-09-202621-10-2026
EPSS score
1.31%

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

Elastic1 product
  • kibana≥ 8.15.0, < 8.16.6 | ≥ 8.17.0, < 8.17.3

1 vendor · 1 product

References

1 links