What is CVE-2025-48391?

CVE-2025-48391 is a high-severity vulnerability in Jetbrains Youtrack, classified under Missing Authentication for Critical Function. CVSS score: 7.7/10. Published 2025-05-20.

How severe is CVE-2025-48391?

High severity. CVSS v3 base score is 7.7 out of 10.

Is CVE-2025-48391 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Auth bypass in Jetbrains Youtrack

CVE-2025-48391

In JetBrains YouTrack before 2025.1.76253 deletion of issues was possible due to missing permission checks in API

Vulnerability class: Broken Authentication

Published 2025-05-20 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.7 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N.

EPSS exploit prediction

EPSS: 0.004 (32.5th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 33rd percentile — 32.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Jetbrains Youtrack — versions 0

Weakness classification (CWE)

CWE-306 — Missing Authentication for Critical Function

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

www.jetbrains.com/privacy-security/issues-fixed/ (Issue Tracking)

Frequently asked questions

What is CVE-2025-48391?: CVE-2025-48391 is a high-severity vulnerability in Jetbrains Youtrack, classified under Missing Authentication for Critical Function. CVSS score: 7.7/10. Published 2025-05-20.
How severe is CVE-2025-48391?: High severity. CVSS v3 base score is 7.7 out of 10.
Is CVE-2025-48391 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.