What is CVE-2026-33154?

CVE-2026-33154 is a high-severity vulnerability in Dynaconf, classified under Improper Neutralization of Special Elements Used in a Template Engine. CVSS score: 7.5/10. Published 2026-03-20.

How severe is CVE-2026-33154?

High severity. CVSS v3 base score is 7.5 out of 10.

Is CVE-2026-33154 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

RCE in Dynaconf

CVE-2026-33154

dynaconf 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…

EPSS: 0.000 (7.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Dynaconf — versions < 3.2.13

Weakness classification (CWE)

Public proof-of-concept exploits

redyank/CVE-2026-33154

References

https://github.com/dynaconf/dynaconf/security/advisories/GHSA-pxrr-hq57-q35p (x_refsource_CONFIRM)
https://github.com/dynaconf/dynaconf/commit/2fbb45ee36b8c0caa5b924fe19f3c1a5e8603fa7 (x_refsource_MISC)
https://github.com/dynaconf/dynaconf/releases/tag/3.2.13 (x_refsource_MISC)

Frequently asked questions

What is CVE-2026-33154?: CVE-2026-33154 is a high-severity vulnerability in Dynaconf, classified under Improper Neutralization of Special Elements Used in a Template Engine. CVSS score: 7.5/10. Published 2026-03-20.
How severe is CVE-2026-33154?: High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2026-33154 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.