Is CVE-2026-57480 exploited in the wild?

No. Junglewise Threat Intelligence has no report of CVE-2026-57480 being exploited in the wild.

How severe is CVE-2026-57480?

Medium severity, with a CVSS score of 4, published 8 July 2026.

Which products and versions are affected?

parse-server (npm) SEMVER:introduced=9.0.0,fixed=9.9.1-alpha.12.

Is there a fix for CVE-2026-57480?

Yes. parse-server (npm): upgrade to 9.9.1-alpha.12 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

How is CVE-2026-57480 attacked?

It is attacked over the network, in a software library.

Am I affected by CVE-2026-57480?

Check whether you run parse-server (npm) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

CVE-2026-57480: Parse Community Parse Server denial of service via nested query operators

CVE-2026-57480 · Severity: medium · CVSS 4 · Published 2026-07-08

Parse Server is an open-source backend framework used to build and host applications. A vulnerability in how it handles complex database queries allows an attacker to send a specially crafted request that overwhelms the server's processor. This can lead to a complete service outage, making the application unavailable to legitimate users.

Technologies: parse-server (npm). Vendors: npm.

Quick answers

Is CVE-2026-57480 exploited in the wild?: No. Junglewise Threat Intelligence has no report of CVE-2026-57480 being exploited in the wild.
How severe is CVE-2026-57480?: Medium severity, with a CVSS score of 4, published 8 July 2026.
Which products and versions are affected?: parse-server (npm) SEMVER:introduced=9.0.0,fixed=9.9.1-alpha.12.
Is there a fix for CVE-2026-57480?: Yes. parse-server (npm): upgrade to 9.9.1-alpha.12 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2026-57480 attacked?: It is attacked over the network, in a software library.
Am I affected by CVE-2026-57480?: Check whether you run parse-server (npm) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

parse-server (npm): upgrade to 9.9.1-alpha.12 or later
```
npm install parse-server@9.9.1-alpha.12
```

Technical details

A denial-of-service (DoS) vulnerability exists in Parse Server due to inefficient algorithmic complexity (CWE-407) in its query-traversal helper. Specifically, the internal logic for handling deeply nested logical operators ($or, $and, $nor) in REST API or LiveQuery requests can trigger exponential-time processing. Because Node.js is single-threaded, this processing blocks the event loop, preventing the server from handling any other concurrent requests. An unauthenticated remote attacker can exploit this by submitting a query with high nesting depth. The issue is mitigated in patched versions by implementing query depth limits and optimizing the traversal logic. Fixes are available in versions 9.9.1-alpha.12 and 8.6.82.

Affected products

Parse Community Parse Server >= 9.0.0-alpha.1, < 9.9.1-alpha.12; < 8.6.82

Identifiers

CVE-2026-57480
GHSA-cgxm-vr2f-6fj8

Timeline

2026-06-17: patched: Fixes committed to repository
2026-07-08: disclosed: CVE-2026-57480 published

References

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