How severe is CVE-2025-68166?

CVE-2025-68166 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2025-68166 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-2025-68166?

CVE-2025-68166 affects Jetbrains Teamcity. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-68166?

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

Does CVE-2025-68166 have an EU (EUVD) identifier?

Yes. CVE-2025-68166 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-203764.

When was CVE-2025-68166 published?

CVE-2025-68166 was published on 2025-12-16 and last updated on 2026-06-17.

CVE-2025-68166

CVE-2025-68166 is a medium-severity vulnerability in Jetbrains Teamcity 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-79.

Key facts

Severity: Medium (CVSS 3.x base score 5.4)
EPSS exploit prediction: 0% (6th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-203764
Weakness: CWE-79
Affected product: Jetbrains Teamcity
Published: 2025-12-16
Last modified: 2026-06-17

Description

In JetBrains TeamCity before 2025.11 a DOM-based XSS was possible on the OAuth connections tab

Frequently asked questions

What is CVE-2025-68166?: In JetBrains TeamCity before 2025.11 a DOM-based XSS was possible on the OAuth connections tab
How severe is CVE-2025-68166?: CVE-2025-68166 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2025-68166 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-2025-68166?: CVE-2025-68166 affects Jetbrains Teamcity. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-68166?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-68166 have an EU (EUVD) identifier?: Yes. CVE-2025-68166 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-203764.
When was CVE-2025-68166 published?: CVE-2025-68166 was published on 2025-12-16 and last updated on 2026-06-17.

References

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

Affected products (1)

cpe:2.3:a:jetbrains:teamcity:*:*:*:*:*:*:*:*

More vulnerabilities in Jetbrains Teamcity

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