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CVE

CVE-2026-31840

Parse Server has a SQL injection via dot-notation field name in PostgreSQL
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CVE

CVE-2026-31840

Parse Server has a SQL injection via dot-notation field name in PostgreSQL

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to 9.6.0-alpha.2 and 8.6.28, an attacker can use a dot-notation field name in combination with the sort query parameter to inject SQL into the PostgreSQL database through an improper escaping of sub-field values in dot-notation queries. The vulnerability may also affect queries that use dot-notation field names with the distinct and where query parameters. This vulnerability only affects deployments using a PostgreSQL database. This vulnerability is fixed in 9.6.0-alpha.2 and 8.6.28.

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
9.3
-
4.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/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
9.8
-
3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Related Resources

No items found.

References

https://github.com/parse-community/parse-server/releases/tag/8.6.28, https://github.com/parse-community/parse-server/releases/tag/9.6.0-alpha.2, https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/31xxx/CVE-2026-31840.json, https://github.com/parse-community/parse-server/security/advisories/GHSA-qpr4-jrj4-6f27, https://nvd.nist.gov/vuln/detail/CVE-2026-31840

Severity

0

CVSS Score
0
10

Basic Information

Ecosystem
Base CVSS
0
EPSS Probability
0.00072%
EPSS Percentile
0.22069%
Introduced Version
532a461d30a6ed4457839f2caf5f30d5abf51a55
Fix Available
0564c8438ae888843a5478f12681ec7f392bdefc

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