Vulnerability · Published May 14, 2026 · Assigned by GitHub_M
CVE-2026-44501DataHub OIDC REDIRECT_URL Cookie Deserialization Vulnerability
Medium 4.3
In plain English
A medium-severity unsafe deserialization in datahub from datahub-project. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 3% of all known vulnerabilities).
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| datahub-project | datahub | < 1.5.0.3 |
Weakness: CWE-502 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N