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VulnerabilityPublished Updated

CVE-2026-45288: JasperFx marten · SQL Injection

Affects JasperFx martenSource CVE Database V5

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Not known to be exploited · CVSS 9.8 Critical : upgrade to 8.36.1 as a priority.

Data as of 30 Oct 2026, 11:52 UTC

CVSS 3.1 base score
9.8Critical
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.3% chance of exploitation in 30 days – higher than 31% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 8.36.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 28 May 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 30 Oct 2026.

What to do

Upgrade marten and jasperfx/marten to 8.36.1.

Affected software

ProductAffectedFixed in
JasperFxmartenAffected
  • <8.36.1
Fixed in
  • 8.36.1
GitHubjasperfx/martenpkg:github/jasperfx/martenOther threatsAffected
  • <8.36.1
Fixed in
  • 8.36.1

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

Upgrade to JasperFx Marten version 8.36.1 or later, where this SQL injection vulnerability is fixed. Since this is a software vulnerability in a self-hosted product, users must apply the update themselves. Patch status is confirmed by the vendor advisory stating the issue is fixed in 8.36.1. No alternative mitigations are indicated.

Description

CVE-2026-45288 is a critical SQL injection vulnerability in JasperFx Marten versions prior to 8.36.1. The issue arises because the full-text search APIs interpolate the user-supplied regConfig parameter directly into SQL queries without proper parameterization or validation. This allows attackers to inject malicious SQL commands via untrusted input. The vulnerability has a CVSS score of 9.8, indicating high impact on confidentiality, integrity, and availability. A fix is available in version 8.36.1.

References

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