Vulnerability · Published Nov 17, 2020 · Assigned by GitLab

CVE-2020-26406

Medium 5.3

In plain English

A medium-severity security flaw in GitLab EE from GitLab. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.4% (higher than 73% of all known vulnerabilities).

Severity (CVSS 3.1)5.3Medium

Exploit odds (30 days)1.4%top 26.7% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official description

Certain SAST CiConfiguration information could be viewed by unauthorized users in GitLab EE starting with 13.3. This information was exposed through GraphQL to non-members of public projects with repository visibility restricted as well as guest members on private projects. Affected versions are: >=13.3, <13.3.9,>=13.4, <13.4.5,>=13.5, <13.5.2.

Affected products (as reported)

Vendor	Product	Versions
GitLab	GitLab EE	>=13.3, <13.3.9>=13.4, <13.4.5>=13.5, <13.5.2

References

https://gitlab.com/gitlab-org/gitlab/-/issues/244921 x_refsource_MISC
https://hackerone.com/reports/965602 x_refsource_MISC
https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-26406.json x_refsource_CONFIRM