CVE-2026-6552

Rejected account-takeover claim in Group SAML

Published Jun 11, 2026 · Updated Jun 11, 2026

A rejected report in GitLab Group SAML identity management alleged that group Owners could take over another member's account. GitLab determined that linking a Group SAML identity requires the member's explicit consent for the group to control account sign-in, making subsequent Owner management expected behavior rather than an authorization bypass. The CNA states that no GitLab version was affected, so the prior version ranges and security-impact claim no longer apply.

CVSS severityUnavailable
Unscored
EPSS probabilityUnavailable
No score available in this record
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

A rejected report in GitLab Group SAML identity management alleged that group Owners could take over another member's account. GitLab determined that linking a Group SAML identity requires the member's explicit consent for the group to control account sign-in, making subsequent Owner management expected behavior rather than an authorization bypass. The CNA states that no GitLab version was affected, so the prior version ranges and security-impact claim no longer apply.

The record

CVE
CVE-2026-6552
Published
Jun 11, 2026
Updated
Jun 11, 2026
Vendor
GitLab
Product
GitLab
Classifications
Unavailable
Attack vector
Unavailable
Privileges
Unavailable

Timeline

How it unfolded

  1. Jun 11, 2026CVE publishedPublication date reported by the CVE source.
  2. Jun 11, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=15.5 <18.10.8
  2. Affected versionversion=18.11 <18.11.5
  3. Affected versionversion=19.0 <19.0.2

What conditions does exploitation require?

Attack vectorUnavailable in this record.
Required privilegesUnavailable in this record.

What is affected?

GitLab · GitLabversion=15.5 <18.10.8; version=18.11 <18.11.5; version=19.0 <19.0.2

Published CVSS scores

No CVSS assessment is available in this record.

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
VectorUnavailable
PrivilegesUnavailable
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

No sourced classifications are available.

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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