Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2026-33527

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to versions 8.6.57 and 9.6.0-alpha.48, an authenticated user can overwrite server-generated session fields such as expiresAt and createdWith when updating their own session via the REST API. This allows bypassing the server's configured session lifetime policy, making a session effectively permanent. This issue has been patched in versions 8.6.57 and 9.6.0-alpha.48.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 2.4%
CVSS Severity
CVSS v3 Score 4.3
Products affected by CVE-2026-33527


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