What’s Vulnerable › Vulnerabilities

CVE-2021-22258

• Severity: medium (CVSS 4.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-10-05 · updated 2026-06-17

Description

The project import/export feature in GitLab 8.9 and greater could be used to obtain otherwise private email addresses

Affected products

• GitLab: from 8.9.0 before 14.0.9; from 14.1.0 before 14.1.4; from 14.2.0 before 14.2.2 — fixed in 14.0.9, 14.1.4, 14.2.2

How to fix

Upgrade to a fixed version: GitLab 14.0.9, 14.1.4, 14.2.2. Check the vendor advisory for mitigations.

References

• https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22258.json
• https://gitlab.com/gitlab-org/gitlab/-/issues/24231
• https://hackerone.com/reports/410436
• https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22258.json
• https://gitlab.com/gitlab-org/gitlab/-/issues/24231
• https://hackerone.com/reports/410436

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