CVE-2025-71391

SurrealDB versions before 2.2.2 contain an uncaught exception vulnerability in the net module that allows authenticated users to crash the database. Attackers can send crafted HTTP queries containing null bytes to the /sql endpoint, causing an unhandled exception that crashes the SurrealDB instance and any dependent applications.

CVSS v3 6.5 MEDIUM

6.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://github.com/surrealdb/surrealdb/security/advisories/GHSA-rq86-9m6r-cm3g	Vendor Advisory
https://www.vulncheck.com/advisories/surrealdb-before-denial-of-service-via-sql-endpoint	Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:surrealdb:surrealdb:*:*:*:*:*:*:*:*

History

29 Sep 2026, 19:10

Type	Values Removed	Values Added
Summary		(es) Las versiones de SurrealDB anteriores a la 2.2.2 contienen una vulnerabilidad de excepción no capturada en el módulo net que permite a los usuarios autenticados bloquear la base de datos. Los atacantes pueden enviar consultas HTTP manipuladas que contienen bytes nulos al endpoint /sql, lo que provoca una excepción no manejada que bloquea la instancia de SurrealDB y cualquier aplicación dependiente.

Information

Published : 2026-07-18 14:17

Updated : 2026-10-29 21:17

NVD link : CVE-2025-71391

Mitre link : CVE-2025-71391

CVE.ORG link : CVE-2025-71391

JSON object : View

Products Affected

surrealdb

surrealdb

CWE

CWE-248

Uncaught Exception

{"id": "CVE-2025-71391", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2025-71391", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-07-20T15:13:09.264151Z"}}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.5, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 2.8}], "cvssMetricV40": [{"type": "Secondary", "source": "disclosure@vulncheck.com", "cvssData": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 7.1, "Automatable": "NOT_DEFINED", "attackVector": "NETWORK", "baseSeverity": "HIGH", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "exploitMaturity": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "userInteraction": "NONE", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "NONE", "integrityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "availabilityRequirement": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "NONE", "confidentialityRequirement": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED"}}]}, "affected": [{"source": "disclosure@vulncheck.com", "affectedData": [{"vendor": "surrealdb", "product": "surrealdb", "versions": [{"status": "affected", "version": "2.2.0", "lessThan": "2.2.2", "versionType": "semver"}, {"status": "unaffected", "version": "2.2.2", "versionType": "semver"}], "packageURL": "pkg:cargo/surrealdb", "defaultStatus": "unaffected"}, {"vendor": "surrealdb", "product": "surrealdb", "versions": [{"status": "affected", "version": "2.1.0", "lessThan": "2.1.5", "versionType": "semver"}, {"status": "unaffected", "version": "2.1.5", "versionType": "semver"}], "packageURL": "pkg:cargo/surrealdb", "defaultStatus": "unaffected"}, {"vendor": "surrealdb", "product": "surrealdb", "versions": [{"status": "affected", "version": "0", "lessThan": "2.0.5", "versionType": "semver"}, {"status": "unaffected", "version": "2.0.5", "versionType": "semver"}], "packageURL": "pkg:cargo/surrealdb", "defaultStatus": "unaffected"}]}], "published": "2026-07-18T14:17:10.457", "references": [{"url": "https://github.com/surrealdb/surrealdb/security/advisories/GHSA-rq86-9m6r-cm3g", "tags": ["Vendor Advisory"], "source": "disclosure@vulncheck.com"}, {"url": "https://www.vulncheck.com/advisories/surrealdb-before-denial-of-service-via-sql-endpoint", "tags": ["Third Party Advisory"], "source": "disclosure@vulncheck.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "disclosure@vulncheck.com", "description": [{"lang": "en", "value": "CWE-248"}]}], "descriptions": [{"lang": "en", "value": "SurrealDB versions before 2.2.2 contain an uncaught exception vulnerability in the net module that allows authenticated users to crash the database. Attackers can send crafted HTTP queries containing null bytes to the /sql endpoint, causing an unhandled exception that crashes the SurrealDB instance and any dependent applications."}, {"lang": "es", "value": "Las versiones de SurrealDB anteriores a la 2.2.2 contienen una vulnerabilidad de excepci\u00f3n no capturada en el m\u00f3dulo net que permite a los usuarios autenticados bloquear la base de datos. Los atacantes pueden enviar consultas HTTP manipuladas que contienen bytes nulos al endpoint /sql, lo que provoca una excepci\u00f3n no manejada que bloquea la instancia de SurrealDB y cualquier aplicaci\u00f3n dependiente."}], "lastModified": "2026-10-29T21:17:05.660", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:surrealdb:surrealdb:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "23531E20-0788-4B05-819F-829DBFC7577F", "versionEndExcluding": "2.2.2"}], "operator": "OR"}]}], "sourceIdentifier": "disclosure@vulncheck.com"}