Is CVE-2026-44209 actively exploited?

No active exploitation of CVE-2026-44209 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-44209 be exploited remotely?

Yes. CVE-2026-44209 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-44209?

CVE-2026-44209 has a CVSS score of 7.5 (HIGH).

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HIGH

CVE-2026-44209

CWE-1336Published: May 26, 2026· Updated: May 29, 2026

7.5

CVSS v3.1

Official Description

Banks generates meaningful LLM prompts using a template language that makes sense. Prior to 2.4.2, banks uses jinja2.Environment() (unsandboxed) to render prompt templates. Applications that pass user-supplied strings as the template argument to Prompt() are vulnerable to Server-Side Template Injection (SSTI), which can lead to Remote Code Execution (RCE) on the host system. This vulnerability is fixed in 2.4.2.

NVD Source

Technical Analysis

CVE-2026-44209 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 7.5.