---
title: "CVE-2026-75513: Marten - SQL Injection"
description: "Marten 7.0.0 to 9.13.0 contains a SQL injection caused by unescaped interpolation of attacker-controlled strings into single-quoted SQL literals in LINQ and tenant-management paths, letting attackers bypass filters and exfiltrate or modify data, exploit requires crafted input with single quotes."
url: https://panop.io/threat-heartbeat/CVE-2026-75513/
---

# CVE-2026-75513 Marten - SQL Injection

Marten 7.0.0 to 9.13.0 contains a SQL injection caused by unescaped interpolation of attacker-controlled strings into single-quoted SQL literals in LINQ and tenant-management paths, letting attackers bypass filters and exfiltrate or modify data, exploit requires crafted input with single quotes.

CVSS base score 9.1 /10

Critical

CISA KEV

Not listed

Public exploit

None known

Authentication

Required

EPSS

0.47% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-75513)

## Details

Type

SQL Injection

Impact

SQL Injection, Information Disclosure, Data Tampering

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:L

Published

16 September 2026

Updated

15 October 2026

Weakness

[CWE-89](https://cwe.mitre.org/data/definitions/89.html)

## Vendor fix

Update to version 9.13.0 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-75513](https://nvd.nist.gov/vuln/detail/CVE-2026-75513)
- [https://github.com/JasperFx/marten/commit/61882d0424854cb48703f08bdb246894ac576bed](https://github.com/JasperFx/marten/commit/61882d0424854cb48703f08bdb246894ac576bed)
- [https://github.com/JasperFx/marten/pull/4911](https://github.com/JasperFx/marten/pull/4911)
- [https://github.com/JasperFx/marten/releases/tag/9.13.0](https://github.com/JasperFx/marten/releases/tag/9.13.0)
- [https://github.com/JasperFx/marten/security/advisories/GHSA-rfx3-98h7-v3xp](https://github.com/JasperFx/marten/security/advisories/GHSA-rfx3-98h7-v3xp)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

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