What is CVE-2020-14188?

CVE-2020-14188 is a critical-severity vulnerability in Atlassian Gajira-Create. CVSS score: 9.8/10. Published 2020-11-09.

How severe is CVE-2020-14188?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Vulnerability in Atlassian Gajira-Create

CVE-2020-14188

The preprocessArgs function in the Atlassian gajira-create GitHub Action before version 2.0.1 allows remote attackers to execute arbitrary code in the context of a GitHub runner by creating a specially crafted GitHub issue.

Published 2020-11-09 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.029 (86.3th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 86th percentile — 86.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.029 · newest: 0.029 · change: 0.000

Affected products

Atlassian Gajira-Create — versions unspecified
Atlassian Jira Create

References

github.com/atlassian/gajira-create/security/advisories/GHSA-4xqx-pqpj-9fqw (Third Party Advisory)

Frequently asked questions

What is CVE-2020-14188?: CVE-2020-14188 is a critical-severity vulnerability in Atlassian Gajira-Create. CVSS score: 9.8/10. Published 2020-11-09.
How severe is CVE-2020-14188?: Critical severity. CVSS v3 base score is 9.8 out of 10.