How severe is CVE-2026-25644?

CVE-2026-25644 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2026-25644 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (23rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-25644?

CVE-2026-25644 affects Datahub. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-25644?

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

Does CVE-2026-25644 have an EU (EUVD) identifier?

Yes. CVE-2026-25644 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-6929.

When was CVE-2026-25644 published?

CVE-2026-25644 was published on 2026-02-06 and last updated on 2026-06-17.

CVE-2026-25644

CVE-2026-25644 is a high-severity vulnerability in Datahub with a CVSS 3.x base score of 7.5. 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-295.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 0% (23rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-6929
Weakness: CWE-295
Affected product: Datahub
Published: 2026-02-06
Last modified: 2026-06-17

Description

DataHub is an open-source metadata platform. Prior to version 1.3.1.8, the LDAP ingestion source is vulnerable to MITM attack through TLS downgrade. This issue has been patched in version 1.3.1.8.

Frequently asked questions

What is CVE-2026-25644?: DataHub is an open-source metadata platform. Prior to version 1.3.1.8, the LDAP ingestion source is vulnerable to MITM attack through TLS downgrade. This issue has been patched in version 1.3.1.8.
How severe is CVE-2026-25644?: CVE-2026-25644 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2026-25644 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (23rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-25644?: CVE-2026-25644 affects Datahub. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-25644?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-25644 have an EU (EUVD) identifier?: Yes. CVE-2026-25644 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-6929.
When was CVE-2026-25644 published?: CVE-2026-25644 was published on 2026-02-06 and last updated on 2026-06-17.

References

https://github.com/datahub-project/datahub/security/advisories/GHSA-j34h-x7qg-4qw5

Affected products (1)

cpe:2.3:a:datahub:datahub:*:*:*:*:*:*:*:*

More vulnerabilities in Datahub

CVE-2022-39366 — Critical (CVSS 9.9): DataHub is an open-source metadata platform. Prior to version 0.8.45, the `StatelessTokenService` of the DataHub…
CVE-2023-25560 — High (CVSS 8.2): DataHub is an open-source metadata platform. The AuthServiceClient which is responsible for creation of new accounts,…
CVE-2023-25559 — High (CVSS 8.2): DataHub is an open-source metadata platform. When not using authentication for the metadata service, which is the…
CVE-2023-25557 — High (CVSS 7.5): DataHub is an open-source metadata platform. The DataHub frontend acts as a proxy able to forward any REST or GraphQL…
CVE-2023-25562 — Medium (CVSS 6.9): DataHub is an open-source metadata platform. In versions of DataHub prior to 0.8.45 Session cookies are only cleared on…
CVE-2023-25561 — Medium (CVSS 5.7): DataHub is an open-source metadata platform. In the event a system is using Java Authentication and Authorization…

All CVEs affecting Datahub →

Other CWE-295 (Improper Certificate Validation) vulnerabilities

CVE-2026-4370 — Critical (CVSS 10.0): A vulnerability was identified in Juju from version 3.2.0 until 3.6.19 and from version 4.0 until 4.0.4, where the…
CVE-2026-30836 — Critical (CVSS 10.0): Step CA is an online certificate authority for secure, automated certificate management for DevOps. Versions 0.30.0-rc6…
CVE-2025-68121 — Critical (CVSS 10.0): During session resumption in crypto/tls, if the underlying Config has its ClientCAs or RootCAs fields mutated between…
CVE-2022-20703 — Critical (CVSS 10.0): Multiple vulnerabilities in Cisco Small Business RV160, RV260, RV340, and RV345 Series Routers could allow an attacker…
CVE-2021-1471 — Critical (CVSS 9.9): Multiple vulnerabilities in Cisco Jabber for Windows, Cisco Jabber for MacOS, and Cisco Jabber for mobile platforms…
CVE-2026-20184 — Critical (CVSS 9.8): A vulnerability in the integration of single sign-on (SSO) with Control Hub in Cisco Webex Services could have allowed…

Browse all CWE-295 (Improper Certificate Validation) vulnerabilities →