CVE-2026-44501
Medium
Description
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 protection (no HMAC, no encryption). This is a Deserialization of Untrusted Data vulnerability (CWE-502) affecting the GET /callback/oidc endpoint. Successful exploitation requires a valid user account in the configured OIDC identity provider This vulnerability is fixed in 1.5.0.3.
SeverityMedium
CVSS4.3
Exploit probability—
ProductDatahub
PublishedMay 14, 2026
First seenMay 14, 2026
Weakness typeCWE-502Deserialization of untrusted data
How to fix
Update
- datahub datahub1.5.0.3 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| datahub datahub | v < 1.5.0.3 | 1.5.0.3 |
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