CVE-2019-6342

Drupal core - Critical - Access bypass - SA-CORE-2019-008

9.8 CriticalFix available

An access bypass vulnerability exists when the experimental Workspaces module in Drupal 8 core is enabled. This can be mitigated by disabling the Workspaces module. It does not affect any release other than Drupal 8.7.4.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

2.20%Up 1.8 points since Apr 14, 2021

What each source reports

NVD Score used 9.8

Record: CVE-2019-6342
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0: 6.8 MediumAV:N/AC:M/Au:N/C:P/I:P/A:P
Updated: 2026-11-02

CVE List No score

Drupal core - Critical - Access bypass - SA-CORE-2019-008

Record: CVE-2019-6342
Updated: 2026-11-02

EUVDEUVD-2019-15903 No score

Record: EUVD-2019-15903
Updated: 2026-11-03

GitHub AdvisoriesGHSA-xq62-62c9-22mg 9.8

Drupal Improper Access Control

Record: GHSA-xq62-62c9-22mg
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-284
Updated: 2026-11-02

OSV 9.8

Record: CVE-2019-6342
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-02

OSVGHSA-xq62-62c9-22mg 9.8

Drupal Improper Access Control

Record: GHSA-xq62-62c9-22mg
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-284
Updated: 2026-11-02

OSVUBUNTU-CVE-2019-6342 9.8

Record: UBUNTU-CVE-2019-6342
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-02

OSVDRUPAL-CORE-2019-008 No score

In Drupal 8.7.4, when the experimental Workspaces module is enabled, an access bypass condition is created.

This can be mitigated by disabling the Workspaces module. It does not affect any release other than Drupal 8.7.4.

Drupal 8.7.3 and earlier, Drupal 8.6.x and earlier, and Drupal 7.x are not affected.

Record: DRUPAL-CORE-2019-008
Updated: 2026-11-02

Affected products

Affected packages

Affected packages
Package	Affected	Fixed
`drupal/core` Packagist	Source text: > 8.7.3, < 8.7.5	8.7.5Not evaluated
`drupal/drupal` Packagist	Source text: > 8.7.3, < 8.7.5	8.7.5Not evaluated
`drupal/core` Packagist	8.7.4 up to 8.7.5	8.7.5
`drupal7` Ubuntu:Pro:14.04:LTS	All versions, plus listed versions 7.23-17.24-17.24-27.26-17.26-1ubuntu0.17.26-1ubuntu0.1+esm17.26-1ubuntu0.1+esm27.26-1ubuntu0.1+esm3	None known
`drupal7` Ubuntu:Pro:16.04:LTS	All versions, plus listed versions 7.38-17.41-17.44-1ubuntu1~16.04.07.44-1ubuntu1~16.04.0+esm17.44-1ubuntu1~16.04.0+esm27.44-1ubuntu1~16.04.0+esm3	None known

Not evaluated means the source gave git commits or a range we can't read, so we can't tell which releases are affected. A fixed version beside it is the source’s own claim.

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2019-6342 is a critical vulnerability (CVSS 9.8) in Drupal, published July 17, 2019. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.20%, the 82nd percentile. Fixed in drupal/core 8.7.5.