{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-63762","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","state":"PUBLISHED","assignerShortName":"VulnCheck","dateReserved":"2026-07-18T12:34:08.780Z","datePublished":"2026-07-20T12:04:51.673Z","dateUpdated":"2026-07-28T01:05:52.215Z"},"containers":{"cna":{"providerMetadata":{"orgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","shortName":"VulnCheck","dateUpdated":"2026-07-28T01:05:52.215Z"},"datePublic":"2026-02-12T00:00:00.000Z","title":"SurrealDB before v2.6.1 Denial of Service via scripting","descriptions":[{"lang":"en","value":"SurrealDB before v2.6.1 (and before v3.0.0-beta.3) contains a denial of service vulnerability in its embedded JavaScript scripting engine, which is enabled via the --allow-scripting capability (disabled by default). Any user able to execute arbitrary queries — including unauthenticated guests when --allow-guests is enabled — can use built-in string functions to construct a large string and pass it to the JavaScript runtime for compilation, triggering a null pointer dereference in the underlying QuickJS-NG engine. This causes the server process to terminate immediately without graceful shutdown, requiring a manual restart. The issue was fixed by updating the rquickjs dependency from v0.9.0 to v0.11.0."}],"problemTypes":[{"descriptions":[{"lang":"en","description":"NULL Pointer Dereference","cweId":"CWE-476","type":"CWE"}]}],"affected":[{"vendor":"surrealdb","product":"surrealdb","defaultStatus":"unaffected","packageURL":"pkg:cargo/SurrealDB","versions":[{"version":"0","status":"affected","versionType":"semver","lessThan":"2.6.1"},{"version":"2.6.1","status":"unaffected","versionType":"semver"}]},{"vendor":"surrealdb","product":"surrealdb","defaultStatus":"unaffected","packageURL":"pkg:cargo/SurrealDB","versions":[{"version":"0","status":"affected","versionType":"semver","lessThan":"3.0.0-beta.3"},{"version":"3.0.0-beta.3","status":"unaffected","versionType":"semver"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:surrealdb:surrealdb:*:*:*:*:*:*:*:*","versionEndExcluding":"2.6.1"},{"vulnerable":true,"criteria":"cpe:2.3:a:surrealdb:surrealdb:*:*:*:*:*:*:*:*","versionEndExcluding":"3.0.0-beta.3"}]}]}],"metrics":[{"format":"CVSS","cvssV4_0":{"version":"4.0","vectorString":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"PRESENT","privilegesRequired":"LOW","userInteraction":"NONE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","vulnAvailabilityImpact":"HIGH","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":6,"baseSeverity":"MEDIUM"}}],"references":[{"url":"https://github.com/surrealdb/surrealdb/security/advisories/GHSA-xx7m-69ff-9crp","name":"GitHub Security Advisory (GHSA-xx7m-69ff-9crp)","tags":["vendor-advisory"]},{"name":"VulnCheck Advisory: SurrealDB before v2.6.1 Denial of Service via scripting","tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/surrealdb-before-denial-of-service-via-scripting"}],"credits":[{"lang":"en","value":"LucyEgan","type":"reporter"}],"x_generator":{"engine":"vulncheck-endgame"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-07-21T15:10:28.959578Z","id":"CVE-2026-63762","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-07-21T15:11:36.936Z"}}]}}