dynaconf Affected by Remote Code Execution (RCE) via Insecure Template Evaluation in @jinja Resolver

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Summary

CVECVE-2026-33154
StatePUBLISHED
AssignerGitHub_M
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-03-20 21:17:15 UTC
Updated2026-04-14 18:23:14 UTC
Descriptiondynaconf is a configuration management tool for Python. Prior to version 3.2.13, Dynaconf is vulnerable to Server-Side Template Injection (SSTI) due to unsafe template evaluation in the @Jinja resolver. When the jinja2 package is installed, Dynaconf evaluates template expressions embedded in configuration values without a sandboxed environment. This issue has been patched in version 3.2.13.

Risk And Classification

Primary CVSS: v3.1 8.1 HIGH from [email protected]

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

EPSS: 0.000520000 probability, percentile 0.161840000 (date 2026-04-15)

Problem Types: CWE-94 | CWE-1336 | CWE-78 | CWE-1336 CWE-1336: Improper Neutralization of Special Elements Used in a Template Engine | CWE-94 CWE-94: Improper Control of Generation of Code ('Code Injection')

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary8.1HIGHCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
3.1[email protected]Secondary7.5HIGHCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
3.1CNADECLARED7.5HIGHCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Dynaconf Dynaconf All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Dynaconf Dynaconf affected < 3.2.13 Not specified

References

ReferenceSourceLinkTags
github.com/dynaconf/dynaconf/releases/tag/3.2.13 [email protected] github.com Release Notes
github.com/dynaconf/dynaconf/security/advisories/GHSA-pxrr-hq57-q35p [email protected] github.com Exploit, Vendor Advisory
github.com/dynaconf/dynaconf/commit/2fbb45ee36b8c0caa5b924fe19f3c1a5e860... [email protected] github.com Patch
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