CVE-2026-105828

Parse Server 9.0.0 before 9.10.1-alpha.12 Class Name Disclosure via GraphQL Errors

6.3 MediumFix available

Parse Server 8.2.2 before 8.6.92 and 9.0.0 before 9.10.1-alpha.12 contains an information disclosure vulnerability in which GraphQL validation error messages reveal hidden class names when public introspection is disabled. Unauthenticated attackers holding only the public Application Id can send crafted operations triggering unknown-argument or invalid enum value errors to learn pointer and relation target classes.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: Low
Integrity: None
Availability: None

Exploit likelihood

0.33%Unchanged since Oct 9, 2026

What each source reports

CVE List Score used 6.3

Parse Server 9.0.0 before 9.10.1-alpha.12 Class Name Disclosure via GraphQL Errors

Record: CVE-2026-105828
CVSS 4.0: 6.3 MediumCVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
Weakness: CWE-209
Updated: 2026-11-02

EUVDEUVD-2026-95015 6.3

Record: EUVD-2026-95015
CVSS 4.0: 6.3 MediumCVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
Updated: 2026-11-02

GitHub AdvisoriesGHSA-c9g3-rrm7-955v 6.3

Parse Server 8.2.2 before 8.6.92 and 9.0.0 before 9.10.1-alpha.12 contains an information...

Record: GHSA-c9g3-rrm7-955v
CVSS 4.0: 6.3 MediumCVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/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
Weakness: CWE-209
Updated: 2026-11-02

NVD 6.3

Record: CVE-2026-105828
CVSS 4.0: 6.3 MediumCVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/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
Weakness: CWE-209
Updated: 2026-11-02

OSV 6.3

Parse Server 9.0.0 before 9.10.1-alpha.12 Class Name Disclosure via GraphQL Errors

Record: CVE-2026-105828
CVSS 4.0: 6.3 MediumCVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
Weakness: CWE-209
Updated: 2026-11-02

OSVBIT-parse-2026-105828 No score

Parse Server 9.0.0 before 9.10.1 Class Name Disclosure via GraphQL Errors

Parse Server 8.2.2 before 8.6.92 and 9.0.0 before 9.10.1 contains an information disclosure vulnerability in which GraphQL validation error messages reveal hidden class names when public introspection is disabled. Unauthenticated attackers holding only the public Application Id can send crafted operations triggering unknown-argument or invalid enum value errors to learn pointer and relation target classes.

Record: BIT-parse-2026-105828
Updated: 2026-11-02

Affected products

parse-community parse-server

Affected packages

Affected packages
Package	Affected	Fixed
`parse` Bitnami	8.2.2 up to 8.6.92, 9.0.0 up to 9.10.1	8.6.929.10.1

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2026-105828 is a medium vulnerability (CVSS 6.3) in Parse-community Parse-server, published October 8, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.33%, the 26th percentile. Fixed in parse 8.6.92.