How severe is CVE-2025-59456?

CVE-2025-59456 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability low.

Is CVE-2025-59456 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 12% (96th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-59456?

CVE-2025-59456 affects Jetbrains Teamcity. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-59456?

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

Does CVE-2025-59456 have an EU (EUVD) identifier?

Yes. CVE-2025-59456 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-29704.

When was CVE-2025-59456 published?

CVE-2025-59456 was published on 2025-09-17 and last updated on 2026-06-17.

CVE-2025-59456

CVE-2025-59456 is a medium-severity vulnerability in Jetbrains Teamcity with a CVSS 3.x base score of 5.5. Its EPSS exploit-prediction score of 12% places it in the 96th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-23.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
EPSS exploit prediction: 12% (96th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-29704
Weakness: CWE-23
Affected product: Jetbrains Teamcity
Published: 2025-09-17
Last modified: 2026-06-17

Description

In JetBrains TeamCity before 2025.07.2 path traversal was possible during project archive upload

Frequently asked questions

What is CVE-2025-59456?: In JetBrains TeamCity before 2025.07.2 path traversal was possible during project archive upload
How severe is CVE-2025-59456?: CVE-2025-59456 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability low.
Is CVE-2025-59456 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 12% (96th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-59456?: CVE-2025-59456 affects Jetbrains Teamcity. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-59456?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-59456 have an EU (EUVD) identifier?: Yes. CVE-2025-59456 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-29704.
When was CVE-2025-59456 published?: CVE-2025-59456 was published on 2025-09-17 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

CVE-2024-27198 — Critical (CVSS 9.8): In JetBrains TeamCity before 2023.11.4 authentication bypass allowing to perform admin actions was possible
CVE-2024-23917 — Critical (CVSS 9.8): In JetBrains TeamCity before 2023.11.3 authentication bypass leading to RCE was possible
CVE-2023-42793 — Critical (CVSS 9.8): In JetBrains TeamCity before 2023.05.4 authentication bypass leading to RCE on TeamCity Server was possible
CVE-2022-25263 — Critical (CVSS 9.8): JetBrains TeamCity before 2021.2.3 was vulnerable to OS command injection in the Agent Push feature configuration.
CVE-2022-24340 — Critical (CVSS 9.8): In JetBrains TeamCity before 2021.2.1, XXE during the parsing of the configuration file was possible.
CVE-2022-24331 — Critical (CVSS 9.8): In JetBrains TeamCity before 2021.1.4, GitLab authentication impersonation was possible.

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