CVE-2023-5256

Drupal core - Critical - Cache poisoning - SA-CORE-2023-006

Published Sep 28, 2023 CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
Description
In certain scenarios, Drupal's JSON:API module will output error backtraces. With some configurations, this may cause sensitive information to be cached and made available to anonymous users, leading to privilege escalation.

This vulnerability only affects sites with the JSON:API module enabled, and can be mitigated by uninstalling JSON:API.

The core REST and contributed GraphQL modules are not affected.



Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2023-2586 In certain scenarios, Drupal's JSON:API module will output error backtraces. With some configurations, this may cause sensitive information to be cached and made available to anonymous users, leading to privilege escalation. This vulnerability only affects sites with the JSON:API module enabled, and can be mitigated by uninstalling JSON:API. The core REST and contributed GraphQL modules are not affected.
Github GHSA Github GHSA GHSA-rjqg-3h9m-fx5x Cache poisoning in drupal/core
References
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
drupal
Published
Updated
Sep 23, 2024, 6:25 PM
Reserved
Sep 28, 2023, 6:13 PM
Status
Modified
Published
Sep 28, 2023, 7:15 PM
Modified
Jun 17, 2026, 6:48 AM