9.8

CVE-2024-12556: Kibana Prototype Pollution can lead to code injection

Analyzed
Published 08-04-2025Last modified 26-02-2026

Vulnerability summary

CVE-2024-12556 is a critical (CVSS 9.8) Prototype Pollution vulnerability in elastic kibana. EPSS estimates a 0.55% chance of exploitation in the next 30 days, higher than 45.4% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (NVD)
EPSS score
0.55%
0%100%
Low · +0.01 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Timeline

  1. 08-04-2025
    PublishedVulnerability first disclosed.
  2. 26-02-2026
    Last modifiedVulnerability information updated.

Description

Prototype Pollution in Kibana can lead to code injection via unrestricted file upload combined with path traversal.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.55%

Chance of exploitation in the next 30 days

Percentile

45%

Versus all other CVEs

30-day change

Increase +0.01 pp

From 0.54% on 22-09-2026

22-09-202622-10-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Elastic1 product
  • kibana≥ 8.16.1, < 8.17.1 | ≥ 8.16.1, < 8.16.4 | ≥ 8.17.0, < 8.17.2

1 vendor · 1 product

References

1 links