{"id":"CVE-2023-5256","url":"https://www.cyber-defence.io/tools/cve/CVE-2023-5256","generatedAt":"2026-10-28T02:10:32.516Z","title":"With some configurations, this may cause sensitive information to be cached and made available to anonymous users, leading to privilege escalation.","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.\n\nThis vulnerability only affects sites with the JSON:API module enabled, and can be mitigated by uninstalling JSON:API.\n\nThe core REST and contributed GraphQL modules are not affected.\n\n\n\n","published":"2023-09-28T19:15:11.000Z","lastModified":"2026-06-17T06:48:11.000Z","status":"Modified","sourceIdentifier":"mlhess@drupal.org","cvss":{"version":"3.1","score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-200"],"affected":["drupal/drupal"],"epss":{"score":0.00851,"percentile":0.57951,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.85%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://www.drupal.org/sa-core-2023-006","tags":["Vendor Advisory"],"source":"mlhess@drupal.org"},{"url":"https://www.drupal.org/sa-core-2023-006","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2023-5256","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}