CVE-2024-56326: Jinja is an extensible templating engine

Q: How do I fix CVE-2024-56326?

jinja: upgrade to 3.1.5. Exact commands for each OS are on this page.

Q: Is CVE-2024-56326 being exploited?

CVE-2024-56326 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2024-56326 affect?

CVE-2024-56326 affects jinja. Severity is high (CVSS 7.8). Jinja is an extensible templating engine. Prior to 3.1.5, An oversight in how the Jinja sandboxed environment detects calls to str.format allows an attacker that controls the content of a template to execute arbitrary Python code. To exploi

Routine

HIGH 7.8UPGRADE

CVE-2024-56326 is a high-severity flaw (CVSS 7.8) affecting jinja. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Jinja is an extensible templating engine. Prior to 3.1.5, An oversight in how the Jinja sandboxed environment detects calls to str.format allows an attacker that controls the content of a template to execute arbitrary Python code. To exploit the vulnerability, an attacker needs to control the content of a template. Whether that is the case depends on the type of application using Jinja. This vulnerability impacts users of applications which execu

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	7.8 (High)
Attack vector	Local
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.5% (top 56%)
CISA exploited list	No
Weakness	CWE-693, CWE-1336
Published	2024-12-23
Last modified	2026-06-17

Publisher (CNA): GitHub, Inc. · Vendor: palletsprojects

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2024-12-23 16:15 UTCPublished CVE record published
2026-06-17 08:12 UTCUpdated Record last modified

palletsprojects jinja UPGRADE

Affected: < 3.1.5

Fixed in: 3.1.5

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy jinja || rpm -q jinja || jinja --version

2. UPGRADE to 3.1.5 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade jinja

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade jinja

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2024-56326?

jinja: upgrade to 3.1.5. Exact commands for each OS are on this page.

Is CVE-2024-56326 being exploited?

CVE-2024-56326 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2024-56326 affect?

CVE-2024-56326 affects jinja. Severity is high (CVSS 7.8). Jinja is an extensible templating engine. Prior to 3.1.5, An oversight in how the Jinja sandboxed environment detects calls to str.format allows an attacker that controls the content of a template to execute arbitrary Python code. To exploi

How urgent is CVE-2024-56326?

Priority 38/100. High severity

Software pages

Python vulnerabilities

Related CVEs

CVE-2025-27516 HIGH 8.8 UPGRADE MITIGATE Jinja is an extensible templating engine
CVE-2024-56201 HIGH 8.8 UPGRADE Jinja is an extensible templating engine
CVE-2024-34064 MEDIUM 5.4 UPGRADE MITIGATE Jinja is an extensible templating engine
CVE-2024-22195 MEDIUM 5.4 UPGRADE Jinja is an extensible templating engine

References

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