CVE-2026-109301

8.2 highEPSS 0.3%

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.

CVSS 4.0: 8.2CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
CVSS 3.1: 5.9CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS: 0.3% chance of exploitation in the next 30 days; higher than 28% of CVEs (scores of 2026-10-25)
CWE: CWE-248
Published: 2026-10-12
Modified: 2026-10-18
Record from: the NVD, synced 2026-10-19

References

https://github.com/parse-community/parse-server/security/advisories/GHSA-gpr6-gr9g-pfw6
https://www.vulncheck.com/advisories/parse-server-before-8.6.95-and-9.0.0-before-9.10.2-alpha.3-denial-of-service-via-file-pointer-without-url

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