CVE-2026-100261

CVE-2026-100261 is a medium-severity vulnerability in Jetbrains Youtrack with a CVSS 3.x base score of 5.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-288.

Key facts

Description

In JetBrains YouTrack before 2026.2.18991 changing article visibility settings was possible without update permission

Frequently asked questions

What is CVE-2026-100261?
In JetBrains YouTrack before 2026.2.18991 changing article visibility settings was possible without update permission
How severe is CVE-2026-100261?
CVE-2026-100261 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2026-100261 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (6th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-100261?
CVE-2026-100261 affects Jetbrains Youtrack. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-100261?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2026-100261 published?
CVE-2026-100261 was published on 2026-09-30 and last updated on 2026-10-02.

References

Affected products (1)

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