CVE-2026-57480
Parse Server: Denial of service via exponential-time processing of deeply nested query operators
CVSS Score
0.0
EPSS Score
0.3%
EPSS Percentile
26th
Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to 9.9.1-alpha.12 and 8.6.82, deeply nested $or, $and, and $nor query condition operators in the REST API or LiveQuery query handling could trigger exponential-time processing in the internal query-traversal helper and block the Node.js event loop. This issue is fixed in versions 9.9.1-alpha.12 and 8.6.82.
| CWE | CWE-407 |
| Vendor | parse-community |
| Product | parse-server |
| Published | Jul 8, 2026 |
| Last Updated | Jul 9, 2026 |
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Affected Versions
parse-community / parse-server
>= 9.0.0-alpha.1, < 9.9.1-alpha.12 < 8.6.82
References
github.com: https://github.com/parse-community/parse-server/security/advisories/GHSA-cgxm-vr2f-6fj8 github.com: https://github.com/parse-community/parse-server/pull/10511 github.com: https://github.com/parse-community/parse-server/pull/10512 github.com: https://github.com/parse-community/parse-server/commit/0f5d2ad77b422dc904458254548be87397fc6e9b github.com: https://github.com/parse-community/parse-server/commit/1103c7a890e0455ba3dccd4bc5db17efe1789c9a github.com: https://github.com/parse-community/parse-server/releases/tag/8.6.82 github.com: https://github.com/parse-community/parse-server/releases/tag/9.9.1-alpha.12