Vulnerability in Parse-Community Parse-Server
CVE-2026-109301
Parse Server before 8.6.95 and 9.0.0 before 9.10.2-alpha.3 does not resolve file references lacking a URL before passing objects to Cloud Code triggers and LiveQuery, causing an uncaught exception that terminates the process. Attackers able to write to a class with Cloud Code save, find, or delete triggers or LiveQuery enabled, including unauthenticated users when public write access or sign-up is allowed, can crash the server or break subsequent requests.
Published .
CVSS v3 metric
CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- github.com/parse-community/parse-server/security/advisories/GHSA-gpr6-gr9g-pfw6 (vendor-advisory)
- www.vulncheck.com/advisories/parse-server-before-8.6.95-and-9.0.0-before-9.10.2… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-109301?
- CVE-2026-109301 is a medium-severity vulnerability in Parse-Community Parse-Server, classified under CWE-248. CVSS score: 5.9/10. Published 2026-10-12.
- How severe is CVE-2026-109301?
- Medium severity. CVSS v3 base score is 5.9 out of 10.