CVE-2026-19478 | BDVDB-2026-360441 Detail

GitLabGitLab

Description#

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.2 before 18.11.11, 19.0 before 19.0.8, 19.1 before 19.1.6, and 19.2 before 19.2.4 that under certain conditions could allow an unauthenticated user to remotely modify or delete public projects and user data via a GraphQL directive.

Impact#

Per CVSS v3.1: confidentiality impact low, integrity impact high, availability impact high. Attack vector: network.

Weaknesses#

CWE-94 Improper Control of Generation of Code ('Code Injection')

References#

Exploit#

https://hackerone.com/reports/3926431

History#

Version 12026-08-17Record published in the CVE List.

Published

Published: 2026-08-17
Last modified: 2026-08-17

Vendor information

Vendor: GitLab
Product: GitLab

All GitLab vulnerabilities

Score

9.4 Critical

EPSS

2.1%, Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 82.3.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Code Injection

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
>= 18.2 and < 18.11.11
Fixed
18.11.11
Vulnerable
>= 19.0 and < 19.0.8
Fixed
19.0.8
Vulnerable
>= 19.1 and < 19.1.6
Fixed
19.1.6
Vulnerable
>= 19.2 and < 19.2.4
Fixed
19.2.4

Scoring System

CVSS v4.0

Not available

CVSS v3.1

9.4 Critical

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

Metric breakdown
Attack Vector	Network
Attack Complexity	Low
Privileges Required	None
User Interaction	None
Scope	Unchanged
Confidentiality	Low
Integrity	High
Availability	High

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).