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New CVE Detected

CVE-2026-110854 – Denial of Service (Uncaught Exception) – Parse Server before 8.6.97 and 9.0.0 to b

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Summary

CVE-2026-110854 is an uncaught-exception denial-of-service vulnerability (CWE-248) in Parse Server. An unauthenticated remote client holding only the public application keys can crash the server process by triggering email verification or password reset flows while the mail provider is failing. The CVE record rates it High (CVSS v4.0 8.2).

Technical details

  • Root cause: Parse Server does not handle errors raised during email verification or password reset operations, so the error terminates the server process.
  • Trigger conditions: The mail provider is rejecting, rate-limiting, or unavailable while the attacker initiates signup, email verification, or password reset requests.
  • Attack vector: Network. No privileges or user interaction are required; the public application keys are sufficient.
  • Impact: High availability impact (server process crash). No confidentiality or integrity impact.

Affected software

  • Parse Server, all versions before 8.6.97
  • Parse Server 9.x, from 9.0.0 up to but not including 9.10.2-alpha.6

Severity

CVSS v4.0 base score 8.2 (High): CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

Mitigation and recommended actions

  • Immediate: upgrade to Parse Server 8.6.97 or later on the 8.x line, or to 9.10.2-alpha.6 or later on the 9.x line.
  • No workarounds were identified in the sources reviewed. See the vendor advisory (GHSA-46jj-qw3p-48fc) for further guidance.

References

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