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CVE-2026-6267

Insertion of Sensitive Information Into Sent Data in GitLab

MEDIUM
5.3
CVSS Score
Published: July 29, 2026 at 07:01 PM UTC
Updated: August 3, 2026 at 04:37 PM UTC
1 product affected across 1 vendorGitLab

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Severity
MEDIUM5.3
Exploit prediction
EPSS 0.6%
SSVC
No known exploit

Description

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 10.1.0 before 19.0.5, 19.1 before 19.1.3, and 19.2 before 19.2.1 that under certain conditions could have allowed an authenticated user with Developer role to access unauthorized information due to insufficient access controls on internal request handling.

Affected

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

GitLab· GitLabmaven
95%
10.1.0 ≤ v < 19.0.519.1 ≤ v < 19.1.319.1.0 ≤ v < 19.1.319.2 ≤ v < 19.2.110.1.019.119.219.2.0
Affected range stops below 19.0.5, so it looks safe — our inference, not a vendor statement
Affected range stops below 19.1.3, so it looks safe — our inference, not a vendor statement
Affected range stops below 19.2.1, 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

References (3)

Broken Link
Source: cverecord
https://gitlab.com/gitlab-org/gitlab/-/work_items/596606
Technical DescriptionExploitPermissions Required
Source: cverecord
https://hackerone.com/reports/3658324
Release NotesVendor Advisory
Source: cverecord
https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-2-1-released/

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.3MEDIUM[email protected]
Attack Vector
NETWORK
Complexity
HIGH
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusANALYZED
CWE
CWE-201

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