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CVE-2026-53609
CRITICAL(9.1)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:L
Risk Signal Score28/100 — MITTEL
- CVSS 9.1 — Kritisch
EPSS-Score
0%
Exploit-Wahrscheinlichkeit (30 Tage)
CVSS Score
9.1
Technische Schwere
Beschreibung
ApostropheCMS is an open-source Node.js content management system. In versions up to and including 4.30.0, `apos.util.set()` traverses dot-notation paths without sanitizing `__proto__`, allowing an authenticated editor to write arbitrary values to `Object.prototype` via the `$pullAll` patch operator. A confirmed gadget in `publicApiCheck()` causes this to bypass authorization on all piece-type REST API endpoints for every subsequent unauthenticated request, for the lifetime of the Node.js process. As of time of publication, no known patched versions are available.