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CVE-2026-75045

JetBrains Youtrack authentication bypass

9.1 CRITICALEPSS 0.42%
  1. Published17 Aug 2026

Description

In JetBrains YouTrack before 2025.3.156085, 2026.1.13913, 2026.2.18112 an unauthenticated attacker could download database backups via shared draft signature

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Affected products

JetBrains Youtrack≥ 2026.1 < 2026.1.13913 · ≥ 2026.2 < 2026.2.18112 · < 2025.3.156085

Remediation

Fixed in
JetBrains Youtrack≥ 2026.1.13913

References

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Frequently asked

Is CVE-2026-75045 being actively exploited?

CVE-2026-75045 is not in the CISA KEV catalog. Its EPSS exploit probability is 0.42%.

How severe is CVE-2026-75045?

CVE-2026-75045 has a CVSS 3.1 base score of 9.1, rated critical. EPSS estimates a 0.42% probability of exploitation.

Which products are affected by CVE-2026-75045?

Affected products include JetBrains Youtrack.

How do I fix CVE-2026-75045?

Upgrade affected software to a fixed version, for example JetBrains Youtrack 2026.1.13913 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2026-75045 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.