What is CVE-2026-49370?

CVE-2026-49370 is a low-severity vulnerability in Jetbrains Youtrack, classified under Insertion of Sensitive Information into Sent Data. CVSS score: 3.4/10. Published 2026-05-29.

How severe is CVE-2026-49370?

Low severity. CVSS v3 base score is 3.4 out of 10.

Vulnerability in Jetbrains Youtrack

CVE-2026-49370

In JetBrains YouTrack before 2026.1.13162 information disclosure was possible on fetchApp requests

EPSS: 0.000 (0.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 3.4 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:N/A:N.

Affected products

Jetbrains Youtrack — versions 0

Weakness classification (CWE)

CWE-201 — Insertion of Sensitive Information into Sent Data

References

cve@jetbrains.com (Vendor Advisory)

Frequently asked questions

What is CVE-2026-49370?: CVE-2026-49370 is a low-severity vulnerability in Jetbrains Youtrack, classified under Insertion of Sensitive Information into Sent Data. CVSS score: 3.4/10. Published 2026-05-29.
How severe is CVE-2026-49370?: Low severity. CVSS v3 base score is 3.4 out of 10.