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Medium 6.0

Parse Server 9.0.0 before 9.10.5-alpha.4 LiveQuery Information Disclosure via $or Subscriptions

CVE-2026-116161 First seen on SecPulse

Affected packages

EcosystemPackageAffectedFixed
parse-community parse-server
< 8.6.103
8.6.103
Original description The description as published by the source.

Parse Server before 8.6.103 and 9.0.0 before 9.10.5-alpha.4 contains an information disclosure vulnerability in LiveQuery. Its subscription hash omits constraints next to a $or operator, including the _Session owner filter and beforeSubscribe constraints, so distinct subscriptions are grouped together. Authenticated clients subscribing with $or queries can receive other users' events, including session tokens usable for impersonation.

Source: CVE.org (CVE Program・cvelistV5) NVD GitHub Advisory

References

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