{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-75513", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-08-17T20:49:21.599Z", "datePublished": "2026-09-16T20:46:17.189Z", "dateUpdated": "2026-09-16T20:46:17.189Z"}, "containers": {"cna": {"title": "Marten: SQL injection in Marten's LINQ provider via unescaped string literals", "problemTypes": [{"descriptions": [{"cweId": "CWE-89", "lang": "en", "description": "CWE-89: Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 9.1, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:L", "version": "3.1"}}], "references": [{"name": "https://github.com/JasperFx/marten/security/advisories/GHSA-rfx3-98h7-v3xp", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/JasperFx/marten/security/advisories/GHSA-rfx3-98h7-v3xp"}, {"name": "https://github.com/JasperFx/marten/pull/4911", "tags": ["x_refsource_MISC"], "url": "https://github.com/JasperFx/marten/pull/4911"}, {"name": "https://github.com/JasperFx/marten/commit/61882d0424854cb48703f08bdb246894ac576bed", "tags": ["x_refsource_MISC"], "url": "https://github.com/JasperFx/marten/commit/61882d0424854cb48703f08bdb246894ac576bed"}, {"name": "https://github.com/JasperFx/marten/releases/tag/9.13.0", "tags": ["x_refsource_MISC"], "url": "https://github.com/JasperFx/marten/releases/tag/9.13.0"}], "affected": [{"vendor": "JasperFx", "product": "marten", "versions": [{"version": ">= 7.0.0, < 9.13.0", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-09-16T20:46:17.189Z"}, "descriptions": [{"lang": "en", "value": "Marten is a .NET Transactional Document DB and Event Store on PostgreSQL. From version 7.0.0 until 9.13.0, several Marten LINQ and tenant-management paths interpolate runtime, potentially attacker-controlled strings into single-quoted SQL literals without escaping or parameterization. The primary confirmed vector is a dictionary indexer key used by Where filters in src/Marten/Linq/Members/Dictionaries/DictionaryItemMember.cs. Additional affected sinks include SelectParser.cs, DatabaseScopedTenantPartitions.cs, and DeleteAllForTenant.cs reached through IEventStore.DeleteProjectionProgressAsync, while DictionaryContainsKeyFilter.cs (Newtonsoft serializer only; System.Text.Json is not affected) handles ContainsKey calls. Events/Daemon/Internals/EventLoader.cs contains a related per-tenant partition-pruning literal that the advisory identifies as a defense-in-depth sink. A crafted single quote can escape the generated literal, enabling filter or multi-tenant authorization bypass and blind data exfiltration, and deployments that permit semicolon-batched Npgsql statements may also allow data modification. This issue is fixed in version 9.13.0."}], "source": {"advisory": "GHSA-rfx3-98h7-v3xp", "discovery": "UNKNOWN"}}}}

{}

{"affected": [{"affectedData": [{"product": "marten", "vendor": "JasperFx", "versions": [{"status": "affected", "version": ">= 7.0.0, < 9.13.0"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Marten is a .NET Transactional Document DB and Event Store on PostgreSQL. From version 7.0.0 until 9.13.0, several Marten LINQ and tenant-management paths interpolate runtime, potentially attacker-controlled strings into single-quoted SQL literals without escaping or parameterization. The primary confirmed vector is a dictionary indexer key used by Where filters in src/Marten/Linq/Members/Dictionaries/DictionaryItemMember.cs. Additional affected sinks include SelectParser.cs, DatabaseScopedTenantPartitions.cs, and DeleteAllForTenant.cs reached through IEventStore.DeleteProjectionProgressAsync, while DictionaryContainsKeyFilter.cs (Newtonsoft serializer only; System.Text.Json is not affected) handles ContainsKey calls. Events/Daemon/Internals/EventLoader.cs contains a related per-tenant partition-pruning literal that the advisory identifies as a defense-in-depth sink. A crafted single quote can escape the generated literal, enabling filter or multi-tenant authorization bypass and blind data exfiltration, and deployments that permit semicolon-batched Npgsql statements may also allow data modification. This issue is fixed in version 9.13.0."}], "id": "CVE-2026-75513", "lastModified": "2026-09-16T21:17:13.563", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 9.1, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:L", "version": "3.1"}, "exploitabilityScore": 3.1, "impactScore": 5.3, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-09-16T21:17:13.440", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/JasperFx/marten/commit/61882d0424854cb48703f08bdb246894ac576bed"}, {"source": "security-advisories@github.com", "url": "https://github.com/JasperFx/marten/pull/4911"}, {"source": "security-advisories@github.com", "url": "https://github.com/JasperFx/marten/releases/tag/9.13.0"}, {"source": "security-advisories@github.com", "url": "https://github.com/JasperFx/marten/security/advisories/GHSA-rfx3-98h7-v3xp"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-89"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}

{}