CVE-2026-44501CWE-502

DataHub OIDC REDIRECT_URL Cookie Deserialization Vulnerability

Medium · published May 14, 2026

CVSS v3.1
4.3
EPSS
0%
Percentile
12.3
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
4.3 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
CVSS v4.0
Not supplied
EPSS
0.00224 · 12.3th percentile
Weakness
CWE-502 · Deserialization of Untrusted Data
Published
2026-05-14T15:41Z
EPSS history
Timeline
  • 14 MAY 15:41Z
    DataHub OIDC REDIRECT_URL Cookie Deserialization Vulnerability
    cvelistv5