How severe is CVE-2026-56142?

CVE-2026-56142 has a CVSS 3.x base score of 9.9, rated critical severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-56142 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (34th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-56142?

CVE-2026-56142 affects Jetbrains Hub. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-56142?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2026-56142 have an EU (EUVD) identifier?

Yes. CVE-2026-56142 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-38007.

When was CVE-2026-56142 published?

CVE-2026-56142 was published on 2026-06-19 and last updated on 2026-06-26.

CVE-2026-56142

CVE-2026-56142 is a critical-severity vulnerability in Jetbrains Hub with a CVSS 3.x base score of 9.9. 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-915.

Key facts

Severity: Critical (CVSS 3.x base score 9.9)
EPSS exploit prediction: 0% (34th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-38007
Weakness: CWE-915
Affected product: Jetbrains Hub
Published: 2026-06-19
Last modified: 2026-06-26

Description

In JetBrains Hub before 2026.1.13757, 2025.3.148033, 2025.2.148048, 2025.1.148120, 2024.3.148430, 2024.2.148429 privilege escalation by attaching authentication details to accounts was possible

Frequently asked questions

What is CVE-2026-56142?: In JetBrains Hub before 2026.1.13757, 2025.3.148033, 2025.2.148048, 2025.1.148120, 2024.3.148430, 2024.2.148429 privilege escalation by attaching authentication details to accounts was possible
How severe is CVE-2026-56142?: CVE-2026-56142 has a CVSS 3.x base score of 9.9, rated critical severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-56142 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (34th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-56142?: CVE-2026-56142 affects Jetbrains Hub. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-56142?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2026-56142 have an EU (EUVD) identifier?: Yes. CVE-2026-56142 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-38007.
When was CVE-2026-56142 published?: CVE-2026-56142 was published on 2026-06-19 and last updated on 2026-06-26.

References

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

Affected products (1)

cpe:2.3:a:jetbrains:hub:*:*:*:*:*:*:*:*

More vulnerabilities in Jetbrains Hub

CVE-2026-50242 — Critical (CVSS 10.0): In JetBrains Hub before 2026.1.13757, 2025.3.148033, 2025.2.148048, 2025.1.148120, 2024.3.148430, 2024.2.148429…
CVE-2026-56141 — Critical (CVSS 9.8): In JetBrains Hub before 2026.1.13757, 2025.3.148033, 2025.2.148048, 2025.1.148120, 2024.3.148430, 2024.2.148429 account…
CVE-2022-25262 — Critical (CVSS 9.8): In JetBrains Hub before 2022.1.14434, SAML request takeover was possible.
CVE-2021-43183 — Critical (CVSS 9.8): In JetBrains Hub before 2021.1.13690, the authentication throttling mechanism could be bypassed.
CVE-2021-36209 — Critical (CVSS 9.8): In JetBrains Hub before 2021.1.13389, account takeover was possible during password reset.
CVE-2026-25848 — Critical (CVSS 9.1): In JetBrains Hub before 2025.3.119807 authentication bypass allowing administrative actions was possible

All CVEs affecting Jetbrains Hub →

Other CWE-915 vulnerabilities

CVE-2026-50160 — Critical (CVSS 10.0): Hoppscotch is an API development ecosystem. In self-hosted deployments of hoppscotch-backend from version 2026.4.1 and…
CVE-2026-33453 — Critical (CVSS 10.0): Improperly Controlled Modification of Dynamically-Determined Object Attributes vulnerability in Apache Camel Camel-Coap…
CVE-2025-58367 — Critical (CVSS 10.0): DeepDiff is a project focused on Deep Difference and search of any Python data. Versions 5.0.0 through 8.6.0 are…
CVE-2025-2304 — Critical (CVSS 9.4): A Privilege Escalation through a Mass Assignment exists in Camaleon CMS When a user wishes to change his password, the…
CVE-2025-24370 — Critical (CVSS 9.3): Django-Unicorn adds modern reactive component functionality to Django templates. Affected versions of Django-Unicorn…
CVE-2026-34179 — Critical (CVSS 9.1): In Canonical LXD versions 4.12 through 6.7, the doCertificateUpdate function in lxd/certificates.go does not validate…

Browse all CWE-915 vulnerabilities →