---
cve: "CVE-2026-44501"
severity: "MEDIUM"
cvss: 4.3
epss: "14%"
vendor: "datahub-project"
kev: false
exploited: false
published: "2026-05-14 16:16:24"
tags: [cve, security, medium]
source: tsecurity.de CVE-Dossier
exported: "2026-09-18T03:22:09+02:00"
---

# CVE-2026-44501

> 4.3 MEDIUM · 🧪 PoC

## Beschreibung

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.

## CVSS-Vektor

```
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
```

| Metrik | Wert | Bewertung |
|---|---|---|
| AV Angriffsvektor | Netzwerk | bad |
| AC Komplexität | Gering | bad |
| PR Privilegien | Gering | warn |
| UI Interaktion | Keine | bad |
| S Scope | Unverändert | good |
| C Vertraulichkeit | Gering | warn |
| I Integrität | Keine | good |
| A Verfügbarkeit | Keine | good |

## Schwachstellen-Klasse

- **CWE-502** — Deserialization of Untrusted Data
  The product deserializes untrusted data without sufficiently ensuring that the resulting data will be valid.

## Angriffsmuster (CAPEC)

- [CAPEC-586 — Object Injection](https://capec.mitre.org/data/definitions/586.html) _(Severity: High)_

## Patch verfügbar (OSV)

- 39c64478e3a219b2d85ab1bf354ca079c779418f (Commit)
- 13361c7f6a65ffe92a1c502eb601f4b22a4bc580 (Commit)

## Referenzen

- <https://github.com/datahub-project/datahub/security/advisories/GHSA-rjf9-p49v-42c4>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-44501) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_