What is CVE-2026-44501?

CVE-2026-44501 is a medium-severity vulnerability in Datahub, classified under Deserialization of Untrusted Data. CVSS score: 4.3/10. Published 2026-05-14.

How severe is CVE-2026-44501?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Deserialization in Datahub

CVE-2026-44501

DataHub is an open-source metadata platform. Prior to 1.5.0.3, The DataHub frontend (datahub-frontend-react) deserializes attacker-controlled Java objects from the REDIRECT_URL HTTP cookie during the OIDC callback flow, with no integrity p…

Vulnerability class: Insecure Deserialization

EPSS: 0.000 (13.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

Affected products

Datahub
Datahub-project Datahub — versions < 1.5.0.3

Weakness classification (CWE)

CWE-502 — Deserialization of Untrusted Data

References

security-advisories@github.com (x_refsource_CONFIRM, Vendor Advisory)

Frequently asked questions

What is CVE-2026-44501?: CVE-2026-44501 is a medium-severity vulnerability in Datahub, classified under Deserialization of Untrusted Data. CVSS score: 4.3/10. Published 2026-05-14.
How severe is CVE-2026-44501?: Medium severity. CVSS v3 base score is 4.3 out of 10.