CVE-2026-6552

Quick assessment

Affected

CVE-2026-6552

Exploitation

No confirmed in-the-wild exploitation; assess based on exposure

Recommended action

Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

GitLab Enterprise Edition（EE）是美国GitLab公司的一套内容管理系统。 GitLab EE 15.5之前版本、18.10.8之前版本、18.11.5之前版本和19.0.2之前版本存在安全漏洞，该漏洞源于Group SAML身份管理功能授权不当，可能导致具有组所有者角色的经过身份验证的用户接管其他组成员的GitLab账户。

EPSS 0.36% · P28 Updated Aug 01, 2026

Possible ATT&CK Techniques 2 AI

T1199 · Trusted Relationship T1136.001 · Local Account

Affected Version Matrix 3

Vendor	Product	Version Range	Status
GitLab	GitLab	`15.5< 18.10.8`	affected
		`18.11< 18.11.5`	affected
		`19.0< 19.0.2`	affected

I. Basic Information for CVE-2026-6552

Vulnerability Information

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Vulnerability Title

N/A

Source: CVE Program / CVE List V5

Vulnerability Description

N/A

Source: CVE Program / CVE List V5

CVSS Information

N/A

Source: CVE Program / CVE List V5

Vulnerability Type

N/A

Source: CVE Program / CVE List V5

Vulnerability Title

GitLab Enterprise Edition（EE）安全漏洞

Source: CNNVD (China National Vulnerability Database)

Vulnerability Description

Source: CNNVD (China National Vulnerability Database)

CVSS Information

N/A

Source: CNNVD (China National Vulnerability Database)

Vulnerability Type

N/A

Source: CNNVD (China National Vulnerability Database)