CVE-2018-8021

Deserialization of Untrusted Data in superset

9.8 CriticalPublic exploitFix available

Versions of Superset prior to 0.23 used an unsafe load method from the pickle library to deserialize data leading to possible remote code execution. Note Superset 0.23 was released prior to any Superset release under the Apache Software Foundation.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

53.4%Up 37.6 points since Apr 14, 2021

What each source reports

NVD Score used 9.8

Record: CVE-2018-8021
CVSS 3.0: 9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0: 7.5 HighAV:N/AC:L/Au:N/C:P/I:P/A:P
Weakness: CWE-502
Updated: 2026-11-02

CVE List No score

Record: CVE-2018-8021
Updated: 2026-11-02

EUVDEUVD-2018-0137 No score

Record: EUVD-2018-0137
Updated: 2026-11-03

GitHub AdvisoriesGHSA-vxp9-wv2f-wqmw 9.3

Deserialization of Untrusted Data in superset

Record: GHSA-vxp9-wv2f-wqmw
CVSS 4.0: 9.3 CriticalCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CVSS 3.0: 9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-502
Updated: 2026-11-02

OSV 9.8

Record: CVE-2018-8021
CVSS 3.0: 9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-02

OSVGHSA-vxp9-wv2f-wqmw 9.3

Deserialization of Untrusted Data in superset

Record: GHSA-vxp9-wv2f-wqmw
CVSS 4.0: 9.3 CriticalCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CVSS 3.0: 9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-502
Updated: 2026-11-02

OSVPYSEC-2018-74 No score

Record: PYSEC-2018-74
Updated: 2026-11-02

Affected products

Affected packages

Affected packages
Package	Affected	Fixed
`superset` PyPI	before 0.23	0.23
`superset` PyPI	before 0.23, plus listed versions 0.13.20.14.00.14.10.15.00.15.1 Show 27 moreShow less 0.15.30.15.40.17.00.17.10.17.20.17.30.17.40.17.50.17.60.18.00.18.20.18.30.18.40.18.50.19.00.19.10.20.00.20.10.20.20.20.30.20.40.20.50.20.60.21.00.21.10.22.00.22.1	0.23
`superset` PyPI	before 0.23.0, plus listed versions 0.13.20.14.00.14.10.15.00.15.1 Show 27 moreShow less 0.15.30.15.40.17.00.17.10.17.20.17.30.17.40.17.50.17.60.18.00.18.20.18.30.18.40.18.50.19.00.19.10.20.00.20.10.20.20.20.30.20.40.20.50.20.60.21.00.21.10.22.00.22.1	0.23.0

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
Source	Link	Date
Exploit-DB	Apache Superset < 0.23 - Remote Code Execution	2018-12-03
PoC in GitHub	r3dxpl0it/Apache-Superset-Remote-Code-Execution-PoC-CVE-2018-8021	2018-12-02

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, Exploit-DB, GitHub Advisories, NVD, OSV, PoC in GitHub

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2018-8021 is a critical vulnerability (CVSS 9.8) in Apache Superset, published November 7, 2018. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 53.4%, the 98th percentile. Fixed in superset 0.23.