{"id":"CVE-2026-63743","state":"PUBLISHED","title":"SurrealDB before 3.1.0 Port-Specific Deny Rule Bypass via HTTP Redirect","description":"SurrealDB before 3.1.0 contains a capability bypass vulnerability in HTTP redirect handling that allows authenticated users to circumvent port-scoped --deny-net rules. Attackers can chain an HTTP redirect from an allowed hostname to a denied host:port combination, and the redirect is followed because the port information is dropped during redirect policy evaluation.","publishedAt":"2026-07-20T12:04:37.125Z","updatedAt":"2026-07-28T01:05:38.777Z","severity":{"score":5.3,"label":"Medium","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N","source":"VulnCheck"},"assigner":"VulnCheck","products":["surrealdb surrealdb"],"affected":[{"vendor":"surrealdb","product":"surrealdb","packageURL":"pkg:cargo/surrealdb","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"3.1.0","versionType":"semver"},{"version":"3.1.0","status":"unaffected","versionType":"semver"}]}],"references":["https://github.com/surrealdb/surrealdb/security/advisories/GHSA-97vg-427p-8hx5","https://www.vulncheck.com/advisories/surrealdb-before-port-specific-deny-rule-bypass-via-http-redirect"],"weaknesses":["CWE-918"],"ingestedAt":"2026-10-29T20:12:41.951Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/63xxx/CVE-2026-63743.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-63743","state":"PUBLISHED","datePublished":"2026-07-20T12:04:37.125Z","dateUpdated":"2026-07-28T01:05:38.777Z","assignerShortName":"VulnCheck","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateReserved":"2026-07-18T12:26:19.866Z"},"containers":{"cna":{"title":"SurrealDB before 3.1.0 Port-Specific Deny Rule Bypass via HTTP Redirect","descriptions":[{"lang":"en","value":"SurrealDB before 3.1.0 contains a capability bypass vulnerability in HTTP redirect handling that allows authenticated users to circumvent port-scoped --deny-net rules. Attackers can chain an HTTP redirect from an allowed hostname to a denied host:port combination, and the redirect is followed because the port information is dropped during redirect policy evaluation."}],"affected":[{"vendor":"surrealdb","product":"surrealdb","packageURL":"pkg:cargo/surrealdb","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"3.1.0","versionType":"semver"},{"version":"3.1.0","status":"unaffected","versionType":"semver"}]}],"references":[{"url":"https://github.com/surrealdb/surrealdb/security/advisories/GHSA-97vg-427p-8hx5","name":"GitHub Security Advisory (GHSA-97vg-427p-8hx5)","tags":["vendor-advisory"]},{"url":"https://www.vulncheck.com/advisories/surrealdb-before-port-specific-deny-rule-bypass-via-http-redirect","name":"VulnCheck Advisory: SurrealDB before 3.1.0 Port-Specific Deny Rule Bypass via HTTP Redirect","tags":["third-party-advisory"]}],"metrics":[{"format":"CVSS","cvssV4_0":{"version":"4.0","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N","attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"LOW","userInteraction":"NONE","vulnConfidentialityImpact":"LOW","vulnIntegrityImpact":"LOW","vulnAvailabilityImpact":"NONE","subConfidentialityImpact":"LOW","subIntegrityImpact":"LOW","subAvailabilityImpact":"NONE","baseScore":5.3,"baseSeverity":"MEDIUM"}},{"format":"CVSS","cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"CHANGED","confidentialityImpact":"LOW","integrityImpact":"LOW","availabilityImpact":"NONE","baseScore":6.4,"baseSeverity":"MEDIUM"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-918","lang":"en","description":"Server-Side Request Forgery (SSRF)","type":"CWE"}]}],"providerMetadata":{"shortName":"VulnCheck","orgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateUpdated":"2026-07-28T01:05:38.777Z"},"datePublic":"2026-05-27T00:00:00.000Z","cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:surrealdb:surrealdb:*:*:*:*:*:*:*:*","versionEndExcluding":"3.1.0"}]}]}],"x_generator":{"engine":"vulncheck-endgame"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-07-20T13:50:56.664928Z","id":"CVE-2026-63743","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-07-20T13:51:08.457Z"}}]}}}