Improper Neutralization of Special Elements Used in a Template Engine Affecting airbyte-server package, versions *


Severity

Recommended
0.0
critical
0
10

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Threat Intelligence

Social Trends
EPSS
2.32% (82nd percentile)

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  • Snyk IDSNYK-MINIMOSLATEST-AIRBYTESERVER-18470846
  • published31 Jul 2026
  • disclosed17 Sept 2025

Introduced: 17 Sep 2025

CVE-2025-59340  (opens in a new tab)
CWE-1336  (opens in a new tab)

How to fix?

There is no fixed version for Minimos:latest airbyte-server.

NVD Description

Note: Versions mentioned in the description apply only to the upstream airbyte-server package and not the airbyte-server package as distributed by Minimos. See How to fix? for Minimos:latest relevant fixed versions and status.

jinjava is a Java-based template engine based on django template syntax, adapted to render jinja templates. Priori to 2.8.1, by using mapper.getTypeFactory().constructFromCanonical(), it is possible to instruct the underlying ObjectMapper to deserialize attacker-controlled input into arbitrary classes. This enables the creation of semi-arbitrary class instances without directly invoking restricted methods or class literals. As a result, an attacker can escape the sandbox and instantiate classes such as java.net.URL, opening up the ability to access local files and URLs(e.g., file:///etc/passwd). With further chaining, this primitive can potentially lead to remote code execution (RCE). This vulnerability is fixed in 2.8.1.

CVSS Base Scores

version 3.1