How severe is CVE-2026-57923?

CVE-2026-57923 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2026-57923 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-57923?

CVE-2026-57923 affects Jetbrains Youtrack. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-57923?

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

Does CVE-2026-57923 have an EU (EUVD) identifier?

Yes. CVE-2026-57923 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-39655.

When was CVE-2026-57923 published?

CVE-2026-57923 was published on 2026-06-26 and last updated on 2026-06-27.

CVE-2026-57923

CVE-2026-57923 is a medium-severity vulnerability in Jetbrains Youtrack with a CVSS 3.x base score of 5.3. 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 5.3)
EPSS exploit prediction: 0% (5th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-39655
Weakness: CWE-862
Affected product: Jetbrains Youtrack
Published: 2026-06-26
Last modified: 2026-06-27

Description

In JetBrains YouTrack before 2026.2.16593 improper authorisation in the app configurations endpoint allowed modifying project settings

Frequently asked questions

What is CVE-2026-57923?: In JetBrains YouTrack before 2026.2.16593 improper authorisation in the app configurations endpoint allowed modifying project settings
How severe is CVE-2026-57923?: CVE-2026-57923 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2026-57923 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-57923?: CVE-2026-57923 affects Jetbrains Youtrack. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-57923?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-57923 have an EU (EUVD) identifier?: Yes. CVE-2026-57923 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-39655.
When was CVE-2026-57923 published?: CVE-2026-57923 was published on 2026-06-26 and last updated on 2026-06-27.

References

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

Affected products (1)

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

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