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CVE-2026-1516

Improper Control of Generation of Code ('Code Injection') in GitLab

MEDIUM
5.7
CVSS Score
Published: April 8, 2026 at 10:25 PM UTC
Updated: July 25, 2026 at 11:21 AM UTC
1 product affected across 1 vendorGitLab

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Severity
MEDIUM5.7
Exploit prediction
EPSS 0.4%
SSVC
No known exploit

Description

GitLab has remediated an issue in GitLab EE affecting all versions from 18.0.0 before 18.8.9, 18.9 before 18.9.5, and 18.10 before 18.10.3 that in Code Quality reports could have allowed an authenticated user to leak IP addresses of users viewing the report via specially crafted content.

Affected

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

GitLab· GitLabmaven
95%
18.0.0 ≤ v < 18.8.918.10 ≤ v < 18.10.318.10.0 ≤ v < 18.10.318.9 ≤ v < 18.9.518.9.0 ≤ v < 18.9.518.0.018.1018.9
Affected range stops below 18.10.3, so it looks safe — our inference, not a vendor statement
Affected range stops below 18.8.9, so it looks safe — our inference, not a vendor statement
Affected range stops below 18.9.5, 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)

Technical DescriptionExploitPermissions Required
Source: cverecord
https://hackerone.com/reports/3514461
Broken Link
Source: cverecord
https://gitlab.com/gitlab-org/gitlab/-/work_items/587893
Release NotesVendor Advisory
Source: cverecord
https://about.gitlab.com/releases/2026/04/08/patch-release-gitlab-18-10-3-released/

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

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

CVSS

5.7MEDIUMGitLab
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusANALYZED
CWE
CWE-94

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