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CVE-2026-44501— DataHub OIDC REDIRECT_URL Cookie Deserialization Vulnerability

Quick assessment

Affected
datahub-project datahub
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

DataHub是datahub-project开源的一个现代数据栈的元数据平台。 DataHub 1.5.0.3之前版本存在代码问题漏洞，该漏洞源于DataHub前端在OIDC回调流程中从REDIRECT_URL HTTP cookie反序列化攻击者控制的Java对象，且无完整性保护，导致反序列化不可信数据漏洞。

CVSS 4.3 · Medium EPSS 0.22% · P12

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
datahub-project datahub < 1.5.0.3 affected
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I. Basic Information for CVE-2026-44501

Vulnerability Information
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Vulnerability Title
DataHub OIDC REDIRECT_URL Cookie Deserialization Vulnerability
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
可信数据的反序列化
Source: CVE Program / CVE List V5
Vulnerability Title
DataHub 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
DataHub是datahub-project开源的一个现代数据栈的元数据平台。 DataHub 1.5.0.3之前版本存在代码问题漏洞，该漏洞源于DataHub前端在OIDC回调流程中从REDIRECT_URL HTTP cookie反序列化攻击者控制的Java对象，且无完整性保护，导致反序列化不可信数据漏洞。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
datahub-project datahub < 1.5.0.3 -

II. Public POCs for CVE-2026-44501

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III. Intelligence Information for CVE-2026-44501

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Vendor Advisories for CVE-2026-44501 (1)

IV. Related Vulnerabilities

Same product: datahub
Same vendor: datahub-project
Same weakness: CWE-502

V. Comments for CVE-2026-44501

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