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TI-2026-23763 Aliases CVE-2026-30938GHSA-q342-9w2p-57fp

Parse Server has denylist `requestKeywordDenylist` keyword scan bypass through nested object placement

Priority LOW 37CWE-693Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Security bypass
Confidentiality · integrity · availability
None · Low · None
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA and GitHub. Impact type from CWE-693.

Summary

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to 8.6.12 and 9.5.1-alpha.1, the requestKeywordDenylist security control can be bypassed by placing any nested object or array before a prohibited keyword in the request payload. This is caused by a logic bug that stops scanning sibling keys after encountering the first nested value. Any custom requestKeywordDenylist entries configured by the developer are equally by-passable using the same technique. All Parse Server deployments are affected. The requestKeywordDenylist is enabled by default. This vulnerability is fixed in 8.6.12 and 9.5.1-alpha.1. Use a Cloud Code beforeSave trigger to validate incoming data for prohibited keywords across all classes.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00457 39th percentileScored 2026-11-07
Fix Fixed parse-server (parse-community): 8.6.12parse-server (npm): 8.6.12, 9.5.1-alpha.1

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
parse-communityparse-serverbefore 8.6.12; >= 9.0.0 < 9.5.1-alpha.18.6.12Patch availableCNA
—parse-server (npm)before 8.6.128.6.12Patch availableGHSA-q342-9w2p-57fp
—parse-server (npm)9.0.0-alpha.1 to before 9.5.1-alpha.19.5.1-alpha.1Patch availableGHSA-q342-9w2p-57fp
  • parse-server Vendorparse-community Affected before 8.6.12; >= 9.0.0 < 9.5.1-alpha.1 Fixed in 8.6.12 Patch available CNA
  • parse-server (npm) Vendor— Affected before 8.6.12 Fixed in 8.6.12 Patch available GHSA-q342-9w2p-57fp
  • parse-server (npm) Vendor— Affected 9.0.0-alpha.1 to before 9.5.1-alpha.1 Fixed in 9.5.1-alpha.1 Patch available GHSA-q342-9w2p-57fp

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:parseplatform:parse-server:*:*:*:*:*:node.js:*:*before 8.6.12; 9.0.0 to before 9.5.1Vulnerableparse-community
  • cpe:2.3:a:parseplatform:parse-server:*:*:*:*:*:node.js:*:* Versions before 8.6.12; 9.0.0 to before 9.5.1 Vulnerable ·parse-community

Remediation

  • Fix · CNA parse-server (parse-community) Fixed in 8.6.12
  • Fix · GHSA-q342-9w2p-57fp parse-server (npm) Fixed in 8.6.12 Advisory →
  • Fix · GHSA-q342-9w2p-57fp parse-server (npm) Fixed in 9.5.1-alpha.1 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-30938
  2. 2026-10-03 Alias added: GHSA-q342-9w2p-57fp

References

Patch 1

Advisory 1

Other 3

  • TI-2022-08574 Command Injection in Parse server CVSS 3.1CRITICAL 10.0
  • TI-2024-18136 Parse Server literalizeRegexPart SQL Injection CVSS 3.1CRITICAL 10.0
  • TI-2022-18768 Parse Server vulnerable to Remote Code Execution via prototype pollution in MongoDB BSON parser CVSS 3.1CRITICAL 9.8
  • TI-2024-31550 Parse Server's custom object ID allows to acquire role privileges CVSS 3.1HIGH 8.1
  • TI-2023-18316 Parse Server vulnerable to remote code execution via MongoDB BSON parser through prototype pollution CVSS 3.1CRITICAL 9.8
  • TI-2026-23790 Parse Server session token exfiltration via `redirectClassNameForKey` query parameter CVSS 4.0CRITICAL 9.9
See all 101 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences