CVE-2026-30854

EUVD-2026-10171
Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. From version 9.3.1-alpha.3 to before version 9.5.0-alpha.10, when graphQLPublicIntrospection is disabled, __type queries nested inside inline fragments (e.g. ... on Query { __type(name:"User") { name } }) bypass the introspection control, allowing unauthenticated users to perform type reconnaissance. __schema introspection is not affected. This issue has been patched in version 9.5.0-alpha.10.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
5.3 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Affected Products (NVD)
VendorProductVersion
parseplatformparse-server
9.4.0 ≤
𝑥
< 9.5.0
parseplatformparse-server
9.3.1:alpha3
parseplatformparse-server
9.3.1:alpha4
parseplatformparse-server
9.5.0:alpha1
parseplatformparse-server
9.5.0:alpha2
parseplatformparse-server
9.5.0:alpha3
parseplatformparse-server
9.5.0:alpha4
parseplatformparse-server
9.5.0:alpha5
parseplatformparse-server
9.5.0:alpha6
parseplatformparse-server
9.5.0:alpha7
parseplatformparse-server
9.5.0:alpha8
parseplatformparse-server
9.5.0:alpha9
𝑥
= Vulnerable software versions