CVE-2020-26406

MEDIUM

5.3

CVSS Score

Published: November 17, 2020 at 12:13 AM UTC

Updated: June 17, 2026 at 03:08 AM UTC

1 product affected across 1 vendorGitLab

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Severity

MEDIUM5.3

Exploit prediction

EPSS 1%

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

GitLab · GitLabmaven

95%

v < 13.3.9v < 13.4.5v < 13.5.213.3.0 ≤ v < 13.3.913.4.0 ≤ v < 13.4.513.5.0 ≤ v < 13.5.2

Affected range stops below 13.3.9, so it looks safe — our inference, not a vendor statement

Affected range stops below 13.4.5, so it looks safe — our inference, not a vendor statement

Affected range stops below 13.5.2, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-26406.json

References (3)

x_refsource_CONFIRMVendor Advisory

Source: [email protected]

https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-26406.json

x_refsource_MISCBroken Link

Source: [email protected]

https://gitlab.com/gitlab-org/gitlab/-/issues/244921

x_refsource_MISCPermissions RequiredThird Party Advisory

Source: [email protected]

https://hackerone.com/reports/965602

CVSS

5.3MEDIUMGitLab

Attack Vector: NETWORK
Complexity: LOW
Privileges: NONE
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: LOW
Integrity: NONE
Availability: NONE

Vector?

Quick Info

StatusMODIFIED

CWE

NVD-CWE-noinfo

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