Which products and versions are affected by CVE-2018-8021?

Affected: Superset (Apache) versions >= prior to 0.23. The full list is in the CVE brief.

Is CVE-2018-8021 being exploited in the wild?

It is not listed in any known-exploited vulnerabilities catalog.

Is CVE-2018-8021 in the CISA KEV catalog?

No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.

Is there a public exploit for CVE-2018-8021?

Public exploit code is available.

Is there a fix for CVE-2018-8021?

Fixed versions are available, including Superset 0.23, Superset 0.23.0.

How urgently should CVE-2018-8021 be patched?

Brandefense priority: patch immediately, because it is very likely to be exploited soon.

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Vulnerability Intelligence

CVE-2018-8021

CriticalPublic exploit

Deserialization of Untrusted Data in superset

Published Nov 9, 2018 · Updated Jul 8, 2026 · Also known as GHSA-vxp9-wv2f-wqmw, PYSEC-2018-74

Key Facts

Patch immediately

CVE-2018-8021 is a critical-severity vulnerability (CVSS 9.3 v4) affecting Superset (Apache).
It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
EPSS estimates a 53% probability of exploitation in the next 30 days.
Fixed versions are available, including Superset 0.23, Superset 0.23.0.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.

CVSS v4

9.3

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

EPSS (30-day exploit likelihood)

53%

Higher than 98.9% of all scored CVEs

Exploited in the wild

No known

Not in a known-exploited catalog

Public exploit code

Available

Proof-of-concept or weaponized module

Get the full CVE-2018-8021 brief as a PDF

Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.

Description

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.

Affected Products

3 affected entries in total

Product	Affected versions	Fixed in
SupersetApache	>= prior to 0.23	0.23

Patched Releases

Superset

0.23, 0.23.0

Timeline

Publicly disclosed
Nov 9, 2018
Last updated
Jul 8, 2026

Weakness Type

CWE-502 Deserialization of Untrusted Data

References

4 more references in the full CVE brief

FAQ

Common Questions.

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.
Affected: Superset (Apache) versions >= prior to 0.23. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
Fixed versions are available, including Superset 0.23, Superset 0.23.0.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.

Is CVE-2018-8021 Running On Your Attack Surface?

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