{"id":"CVE-2026-114136","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-114136","generatedAt":"2026-10-28T03:58:13.774Z","title":"A remote unauthenticated client can therefore cause a compressed JSON request body to be expanded after Django has enforced DATA_UPLOAD_MAX_MEMORY_SIZE against only the wire bytes, allowing a very small request to consume substantial per-worker memory.","description":"Django REST framework is a toolkit for building Web APIs. From 3.6.4 until 3.18.2, JSONParser.parse in rest_framework/parsers.py uses the client-supplied Content-Type charset value with codecs.getreader, which accepts byte-transform codecs such as bz2_codec rather than only text encodings. A remote unauthenticated client can therefore cause a compressed JSON request body to be expanded after Django has enforced DATA_UPLOAD_MAX_MEMORY_SIZE against only the wire bytes, allowing a very small request to consume substantial per-worker memory. The default parser set is sufficient, and any reachable endpoint that accepts a JSON body is affected. This issue is fixed in version 3.18.2.","published":"2026-10-21T20:17:26.000Z","lastModified":"2026-10-22T17:21:57.000Z","status":"Awaiting Analysis","sourceIdentifier":"security-advisories@github.com","cvss":{"version":"3.1","score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},"cwe":["CWE-409","CWE-770"],"affected":[],"epss":{"score":0.0044,"percentile":0.38075,"date":"2026-10-27","history":[{"date":"2026-10-22","score":0.00339,"percentile":0.2608}]},"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 (0.44%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[{"kind":"new","label":"New CVE","at":"2026-10-21T20:17:26.000Z","detail":{"score":"7.5","severity":"HIGH","publishedAt":"2026-10-21T20:17:25.557Z"},"summary":"New CVE, high severity (CVSS 7.5)."}],"references":[{"url":"https://github.com/encode/django-rest-framework/commit/3c2634599b26a9f789b03045118dbc276117611a","source":"security-advisories@github.com"},{"url":"https://github.com/encode/django-rest-framework/releases/tag/3.18.2","source":"security-advisories@github.com"},{"url":"https://github.com/encode/django-rest-framework/security/advisories/GHSA-3547-9m27-7rxg","source":"security-advisories@github.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-114136","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."}