Is CVE-2026-49370 in the CISA KEV catalog?

No. CVE-2026-49370 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2026-49370?

CVE-2026-49370 has a CVSS v3 base score of 3.4 (LOW).

What is the EPSS score for CVE-2026-49370?

CVE-2026-49370 has an EPSS score of 0.23% (14th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2026-49370?

Upgrade JetBrains YouTrack to 2026.1.13162 or later.

CVE & CISA-KEV Catalog

CVE-2026-49370

LOW

3.4

CVSS v3

NVD

Description

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

CWE-201

How to fix

Remediation Available

JetBrains YouTrackWindows application

Affected:2026.1.13162Fixed in:2026.1.13162JetBrains

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredHigh

User InteractionRequired

ScopeChanged

Impact

ConfidentialityLow

IntegrityNone

AvailabilityNone

CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:N/A:N

Exploit Intelligence

0.23%probability of exploitation in 30 days

14thpercentile

Low risk: more likely to be exploited than 14% of all known CVEs.

References

Vendor Advisory1

jetbrains.com

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-06-01.