How severe is CVE-2026-100269?

CVE-2026-100269 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2026-100269 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (9th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-100269?

CVE-2026-100269 affects Jetbrains Youtrack. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-100269?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2026-100269 published?

CVE-2026-100269 was published on 2026-09-30 and last updated on 2026-10-01.

CVE-2026-100269

CVE-2026-100269 is a medium-severity vulnerability in Jetbrains Youtrack with a CVSS 3.x base score of 4.3. 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-862.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
EPSS exploit prediction: 0% (9th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-862
Affected product: Jetbrains Youtrack
Published: 2026-09-30
Last modified: 2026-10-01

Description

In JetBrains YouTrack before 2026.2.19197 helpdesk project's Authorized Reporters list could be bypassed

Frequently asked questions

What is CVE-2026-100269?: In JetBrains YouTrack before 2026.2.19197 helpdesk project's Authorized Reporters list could be bypassed
How severe is CVE-2026-100269?: CVE-2026-100269 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2026-100269 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (9th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-100269?: CVE-2026-100269 affects Jetbrains Youtrack. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-100269?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2026-100269 published?: CVE-2026-100269 was published on 2026-09-30 and last updated on 2026-10-01.

References

https://www.jetbrains.com/privacy-security/issues-fixed/

Affected products (1)

cpe:2.3:a:jetbrains:youtrack:*:*:*:*:*:*:*:*

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