CVE-2026-116161 PUBLISHED

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

Assigner: VulnCheck
Reserved: 25.10.2026 Published: 25.10.2026 Updated: 25.10.2026

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.

Metrics

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
CVSS Score: 6

Product Status

Vendor parse-community
Product parse-server
Versions Default: unaffected
  • affected from 9.0.0 to 9.10.5-alpha.4 (excl.)
  • Version 9.10.5-alpha.4 is unaffected
Vendor parse-community
Product parse-server
Versions Default: unaffected
  • affected from 0 to 8.6.103 (excl.)
  • Version 8.6.103 is unaffected

Credits

  • mtrezza coordinator

References

Problem Types

  • Exposure of Sensitive Information to an Unauthorized Actor CWE