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CVE-2026-12664— Incorrect Authorization in GitLab

Quick assessment

Affected

GitLab GitLab

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 已修复了影响 GitLab CE/EE 所有版本（18.2 至 19.3.6 之前、19.4 至 19.4.3 之前、以及 19.5 至 19.5.1 之前）的一个问题。在特定条件下，持有作用域 Token 的已认证用户可能获取项目的入站电子邮件地址并创建工作项，从而绕过 Token 的限制。该漏洞源于 GraphQL 字段的作用域执行不足。

CVSS 6.8 · Medium Updated Oct 22, 2026

Possible ATT&CK Techniques 2 AI

T1068 · Exploitation for Privilege Escalation T1190 · Exploit Public-Facing Application

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Vulnerability Information

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Vulnerability Title

Incorrect Authorization in GitLab

Source: CVE Program / CVE List V5

Vulnerability Description

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.2 before 19.3.6, 19.4 before 19.4.3, and 19.5 before 19.5.1 that, under certain conditions, could have allowed an authenticated user with a read_api-scoped token to retrieve a project's incoming email address and create work items, bypassing the token's restrictions, due to insufficient scope enforcement on a GraphQL field.

Source: CVE Program / CVE List V5

CVSS Information

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N

Source: CVE Program / CVE List V5

Vulnerability Type

授权机制不正确

Source: CVE Program / CVE List V5

Affected Products

Vendor	Product	Affected Versions	CPE	Subscribe
GitLab	GitLab	18.2 ~ 19.3.6	`cpe:2.3:a:gitlab:gitlab::::::::`

II. Public POCs for CVE-2026-12664

#	POC Description	Source Link	Shenlong Link

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III. Intelligence Information for CVE-2026-12664

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Other References for CVE-2026-12664 (1)

🔗 Not found

https://www.cve.org/CVERecord?id=CVE-2026-12664

Same Patch Batch · GitLab · 2026-10-21 · 11 CVEs total

CVE-2026-15723	8.2 HIGH	Improper Neutralization of Special Elements used in an LDAP Query ('LDAP Injection') in Gi
CVE-2026-112212	7.5 HIGH	Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling') in GitLab
CVE-2026-16255	5.9 MEDIUM	Incorrect Authorization in GitLab
CVE-2026-13319	4.3 MEDIUM	Authorization Bypass Through User-Controlled Key in GitLab
CVE-2026-105777	4.3 MEDIUM	Insertion of Sensitive Information Into Sent Data in GitLab
CVE-2026-112378	4.3 MEDIUM	Use of Less Trusted Source in GitLab
CVE-2026-105711	3.5 LOW	Use of Cache Containing Sensitive Information in GitLab
CVE-2026-14288	3.1 LOW	Use of Incorrectly-Resolved Name or Reference in GitLab
CVE-2026-112326	3.1 LOW	Improper Cleanup on Thrown Exception in GitLab
CVE-2026-103515	2.7 LOW	Incorrect Authorization in GitLab

IV. Related Vulnerabilities

Same product: GitLab

Same vendor: GitLab

Same weakness: CWE-863

V. Comments for CVE-2026-12664

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Goal Reached Thanks to every supporter — we hit 100%!

CVE-2026-12664— Incorrect Authorization in GitLab

Quick assessment

Possible ATT&CK Techniques 2 AI

I. Basic Information for CVE-2026-12664

Vulnerability Information

Vulnerability Title

Vulnerability Description

CVSS Information

Vulnerability Type

Affected Products

II. Public POCs for CVE-2026-12664

III. Intelligence Information for CVE-2026-12664

Other References for CVE-2026-12664 (1)

Same Patch Batch · GitLab · 2026-10-21 · 11 CVEs total

IV. Related Vulnerabilities

V. Comments for CVE-2026-12664

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