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CVE

CVE-2026-30962

Parse Server has a protected fields bypass via logical query operators
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CVE

CVE-2026-30962

Parse Server has a protected fields bypass via logical query operators

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to 9.5.2-alpha.6 and 8.6.19, the validation for protected fields only checks top-level query keys. By wrapping a query constraint on a protected field inside a logical operator, the check is bypassed entirely. This allows any authenticated user to query on protected fields to extract field values. All Parse Server deployments have default protected fields and are vulnerable. This vulnerability is fixed in 9.5.2-alpha.6 and 8.6.19.

Package Versions Affected

Package Version
patch Availability
No items found.

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CVSS Version

Severity
Base Score
CVSS Version
Score Vector
C
H
U
7.1
-
4.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
C
H
U
0
-
C
H
U
6.5
-
3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Related Resources

No items found.

References

https://github.com/parse-community/parse-server/releases/tag/8.6.19, https://github.com/parse-community/parse-server/releases/tag/9.5.2-alpha.6, https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/30xxx/CVE-2026-30962.json, https://github.com/parse-community/parse-server/security/advisories/GHSA-72hp-qff8-4pvv, https://nvd.nist.gov/vuln/detail/CVE-2026-30962

Severity

0

CVSS Score
0
10

Basic Information

Base CVSS
0
EPSS Probability
0.00046%
EPSS Percentile
0.14546%
Introduced Version
0
Fix Available
efb6cfefc388db1fa908cf6c7589e1b29b3cfbc3

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