Vulnerability · Published Nov 4, 2026 · Assigned by VulnCheck

CVE-2026-57853DataGerry < 3.3.0 SSTI via DocAPI Template Rendering

High 8.8

In plain English

A high-severity cross-site scripting in DataGerry from DataGerry. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 46% of all known vulnerabilities).

Severity (CVSS 3.1)8.8High

Exploit odds (30 days)0.6%top 53.7% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

DataGerry before 3.3.0 contains a server-side template injection vulnerability that allows authenticated attackers with base.docapi.template.add permission to store arbitrary Jinja2 payloads in the template_data field via POST /rest/docapi/template, which is later rendered in a non-sandboxed Jinja2 environment when a user calls GET /rest/docapi/template/<id>/render/<object_id>. Attackers can exploit the standard cycler.__init__.__globals__.os gadget chain to execute arbitrary operating system commands as the DataGerry web process user, confirmed as root in default Docker deployments, achieving remote code execution.

Affected products (as reported)

Vendor	Product	Versions
DataGerry	DataGerry	0 – before 3.3.0

Weakness: CWE-1336, CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References

Fixed Release Tag patch
Changelog release-notes
VulnCheck Advisory: DataGerry < 3.3.0 SSTI via DocAPI Template Rendering third-party-advisory