CSRF in Apache Zeppelin

CVE-2026-44613

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.

Vulnerability class: CSRF (Cross-Site Request Forgery)

EPSS: 0.004 (29.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2026-44613?
CVE-2026-44613 is a medium-severity vulnerability in Apache Zeppelin, classified under Cross-Site Request Forgery (CSRF). CVSS score: 6.1/10. Published 2026-07-30.
How severe is CVE-2026-44613?
Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2026-44613 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.