TI-2026-80183 Aliases CVE-2026-116165 GHSA-qj5q-p3h8-4r25

Missing authorization in Parse Server allows class schema deletion

LOW 38CWE-862Published 2026-10-25 · Updated 2026-10-29

Key facts

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

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-862.

Summary

Parse Server before 8.6.101 and from 9.0.0 before 9.10.4-alpha.4 on MongoDB deployments has a missing authorization check (CWE-862). Clients without the master key can delete the stored schema of any class. An unauthenticated remote attacker can send REST API delete requests to the internal _SCHEMA collection, removing field definitions, class-level permissions and protected fields, exposing data to unauthorized reads and modifications.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Description from the CNA

Parse Server before 8.6.101 and 9.0.0 before 9.10.4-alpha.4 contains a missing authorization vulnerability on MongoDB deployments that lets clients without the master key delete the stored schema of any class. Unauthenticated attackers can send REST API delete requests targeting the internal _SCHEMA collection to remove field definitions, class-level permissions, and protected fields, exposing data to unauthorized reads and modifications.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00317 24th percentileScored 2026-11-07

Fix Fixed parse-server (parse-community): 9.10.4-alpha.4, 8.6.101

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Partial

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

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
parse-community	parse-server	9.0.0 to before 9.10.4-alpha.4	9.10.4-alpha.4	Patch available	CNA
parse-community	parse-server	before 8.6.101	8.6.101	Patch available	CNA

parse-server Vendorparse-community Affected 9.0.0 to before 9.10.4-alpha.4 Fixed in 9.10.4-alpha.4 Patch available CNA
parse-server Vendorparse-community Affected before 8.6.101 Fixed in 8.6.101 Patch available CNA

CPE names Threatist (inferred) · 1

Inferred from how NVD named this product before; not given by a source.

CPE	Versions	Role	Vendor
cpe:2.3:a:parseplatform:parse-server::::::::	—	—	parse-community

cpe:2.3:a:parseplatform:parse-server:*:*:*:*:*:*:*:* Versions — — ·parse-community

Remediation

Upgrade Parse Server to 8.6.101 on the 8.x line or to 9.10.4-alpha.4 on the 9.x line.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Fix · CNA parse-server (parse-community) Fixed in 9.10.4-alpha.4
Fix · CNA parse-server (parse-community) Fixed in 8.6.101

Timeline

2026-10-25 Threatist record created from CVE-2026-116165
2026-10-26 Priority changed: MEDIUM → LOW
2026-10-27 Alias added: GHSA-qj5q-p3h8-4r25
2026-10-29 CISA SSVC decision points changed

References

Advisory 1

GitHub Security Advisory (GHSA-qmg9-m772-5rm7)

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-2025-35510 parse is a package designed to parse JavaScript SDK. CVSS 3.1MEDIUM 6.5
TI-2024-26265 ZDI-CAN-23894: Parse Server literalizeRegexPart SQL Injection Authentication Bypass Vulnerability CVSS 3.1CRITICAL 9.8

See all 158 →

Sources

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