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Vulnerabilities / CVE-2019-8341

critical

CVE-2019-8341

python-jinja2: command injection in function from_string

Published Modified CWE 94
In the Trivy database since at least 24 Oct 2026, 07:11 UTCWhen it arrived before that build is not recorded.

Severity by source

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Red Hat8.2CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N

Trivy's own label is CRITICAL. Rated critical by NVD. Rated lower by Red Hat (high).

Description

An issue was discovered in Jinja2 2.10. The from_string function is prone to Server Side Template Injection (SSTI) where it takes the "source" parameter as a template object, renders it, and then returns it. The attacker can exploit it with {{INJECTION COMMANDS}} in a URI. NOTE: The maintainer and multiple third parties believe that this vulnerability isn't valid because users shouldn't use untrusted templates without sandboxing

Affected packages and fixed versions

SourcePackageFixed in
debian 11jinja2no fix listed
debian 12jinja2no fix listed
debian 13jinja2no fix listed
debian 14jinja2no fix listed
echojinja21
rapidfort debian 12jinja2no fix listed
rapidfort debian 13jinja2no fix listed

References

All 9 references

Vulnerability data compiled from the Trivy vulnerability database (trivy-db, Aqua Security, Apache License 2.0), which aggregates third-party advisories. CVE records are published by The MITRE Corporation under the CVE Terms of Use; CVE is a trademark of MITRE. This product uses data from the NVD API but is not endorsed or certified by the NVD. Severity, titles and advisory data from the GitHub Advisory Database (CC BY 4.0), Red Hat security data (CC BY 4.0) and the other sources linked on each entry. Entries may be summarised or re-formatted; the linked original is the authoritative record.