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Advisory record · GHSA-q729-696q-g9pq

SurrealDB has Denial of Service in JSON parser due to nested objects

CVSS 8.7 HighEPSS 0.0052 · 44th percentile

Published by the GitHub Advisory Database at 1 Jul 2026, 20:03 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
surrealdbcrates.io<3.1.03.1.0
Identifiers
GHSA-q729-696q-g9pq · CVE-2026-63760
Weakness (CWE)
CWE-674
Tags
Published
1 Jul 2026
Updated
4 Sept 2026

Machine-written summary

Summary written by Claude Haiku from the source advisory. Not reviewed by a person.

SurrealDB versions before 3.1.0 (crates.io package surrealdb) are affected. An unauthenticated remote attacker who can reach the WebSocket /rpc endpoint can send a deeply nested JSON payload that exhausts server memory and crashes the process. Upgrade to surrealdb 3.1.0 or later; as a workaround, restrict network access to the /rpc endpoint to trusted clients.

Written 8 Nov 2026.

Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

Severity and exploitation

ScoreRatingCVSSVectorSource
8.7 High 4.0 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N CNA (VulnCheck)
  • CISA KEV Not listed.
  • EPSS 0.0052, the 44th percentile, on 15 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 31 Oct 2026, 15:17 UTC First seen by agentprime
  2. 31 Oct 2026, 15:17 UTC Confirmed by OSV

Sources

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.