HIGH

CVE-2026-100262

CVSS v3

7.6

HIGH

EPSS Score

0.3 %

exploit probability, as of 2026-10-01

CISA KEV

known exploited

Exploitation

—

SSVC status

Description

In JetBrains YouTrack before 2026.2.18991 missing authorisation allowed users with read-only project access to overwrite project notification templates

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:L
Published: 2026-09-30
Last Modified: 2026-09-30

Frequently asked questions

What is CVE-2026-100262?

In JetBrains YouTrack before 2026.2.18991 missing authorisation allowed users with read-only project access to overwrite project notification templates

Is CVE-2026-100262 actively exploited?

Active exploitation of CVE-2026-100262 has not been confirmed. Its EPSS score was 0.3% on 2026-10-01, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2026-100262?

CVE-2026-100262 has a CVSS v3 base score of 7.6 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:L.

Is CVE-2026-100262 affecting your environment?

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