Home/CVE/Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to version
CVE

CVE-2026-33527

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to version

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.

MEDIUM · CVSS 4.3 EPSS 0.00014
Schedule remediation
  • SSVC automatable: yes - attacks can be scripted at scale
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-863Incorrect Authorization
▤

Affected Products & Versions

3
parseplatform parse-server< 8.6.57
parseplatform parse-server>= 9.0.0 and < 9.6.0
parseplatform parse-serverall versions
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Affected Packages

1
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
npm parse-server MODERATE fixed in 9.6.0-alpha.48
▣

Scoring & Timeline

4.3
MEDIUM · CVSS v3.1 · security-advisories@github.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD24 Mar 2026 · 07:16 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
yes
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

5
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://github.com/parse-community/parse-server/commit/26b628c8fb3cc79ea955374769eebcff6f8a8a73Patch
https://github.com/parse-community/parse-server/commit/ea68fc0b22a6056c9675149469ff57817f7cf984Patch
https://github.com/parse-community/parse-server/pull/10263Issue Tracking
https://github.com/parse-community/parse-server/pull/10264Issue Tracking
https://github.com/parse-community/parse-server/security/advisories/GHSA-jc39-686j-wp6qVendor Advisory
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