CVE-2026-109301 Parse Server before 8.6.95 and 9.0.0 before 9.10.2-alpha.3 Denial of Service via File Pointer Without URL
Attackers can crash the Parse Server by sending file pointers without URLs, causing uncaught exceptions in Cloud Code or LiveQuery triggers.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-109301?
CVE-2026-109301 is a high-severity denial of service vulnerability in parse-community parse-server, published on 12 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
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.
Weakness: CWE-248
Which versions are affected by CVE-2026-109301?
1 open source package ship an affected version, including parse.
| Package | Affected | Fixed in |
|---|---|---|
parse Bitnami | All versions | 8.6.95, 9.10.2 |
How do I fix CVE-2026-109301?
Upgrade parse to a fixed version for your release line: 8.6.95 or 9.10.2.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2026-109301 being exploited?
There is no known exploitation of CVE-2026-109301 in the wild and no public exploit code.
Sources
Also known as BIT-parse-2026-109301, GHSA-gpr6-gr9g-pfw6, GHSA-rxj9-xm24-7477.