Medium severity · published Oct 8, 2026
CVE-2026-105828
Parse Server 9.0.0 before 9.10.1-alpha.12 Class Name Disclosure via GraphQL Errors
6.3
CVSS
0.3%
EPSS
No
On KEV
Description
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.
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 26% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PA
parse-server · parse-community
9.0.0 before 9.10.1-alpha.12; 8.2.2 before 8.6.92 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-105828
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-105828
vendor-advisory
https://github.com/parse-community/parse-server/security/advisories/GHSA-6m77-f8xr-f723
third-party-advisory
https://www.vulncheck.com/advisories/parse-server-9.0.0-before-9.10.1-alpha.12-class-name-disclosure-via-graphql-errors
More from parse-server
10.0
CVE-2026-30966
Parse Server role escalation and CLP bypass via direct `_Join` table write
9.8
CVE-2026-32248
Parse Server: Account takeover via operator injection in authentication data identifier
9.8
CVE-2026-31871
Parse Server has a SQL Injection via dot-notation sub-key name in `Increment` operation on PostgreSQL
9.8
CVE-2026-31856
Parse Server has a SQL injection via `Increment` operation on nested object field in PostgreSQL
9.8
CVE-2026-31840
Parse Server has a SQL injection via dot-notation field name in PostgreSQL