Drupal editor module incorrectly checks access to inline private files

published 2017-03-16 9 y ago modified 2026-06-17 4 mo ago also GHSA-w7qx-vwr9-2j3r , EUVD-2022-5528

cvss: 7.5; version 3.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 1.9%; EPSS 1.9% chance of exploitation in 30 days, percentile 79%
public exploits: 0; none known

When adding a private file via the editor in Drupal 8.2.x before 8.2.7, the editor will not correctly check access for the file being attached, resulting in an access bypass.

Patch / fix

fixed in 2

packagist drupal/core 8.2.7
packagist drupal/drupal 8.2.7

Exploit prediction

1.89% chance of exploitation in the next 30 days, higher than 79% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
NVD	3.0	7.5	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
NVD	2.0	5.0	AV:N/AC:L/Au:N/C:N/I:P/A:N
GitHub	3.0	7.5	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Affected packages

ecosystem	package	affected	fixed in
packagist	drupal/core	>=8.2.0, <8.2.7	8.2.7
packagist	drupal/drupal	>=8.2.0, <8.2.7	8.2.7

Affected products

Drupal Drupal Core

Classification

Weakness

CWE-863 Incorrect Authorization

References

drupal.org /SA-2017-001
web, vendor-advisory
securitytracker.com /id/1038058
vdb-entry, web
securityfocus.com /bid/96919
vdb-entry, web, third-party-advisory
nvd.nist.gov /vuln/detail/CVE-2017-6377
advisory
github.com /FriendsOfPHP/security-advisories/blob/master/drupal/core/CVE-2017-6377.yaml
web
github.com /FriendsOfPHP/security-advisories/blob/master/drupal/drupal/CVE-2017-6377.yaml
web
github.com /drupal/drupal
package

Sources

CVE List CVE-2017-6377
GitHub Advisory GHSA-w7qx-vwr9-2j3r
NVD CVE-2017-6377

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary