CVE-2025-3841: A vulnerability, which was classified as problematic, was found in wix-incubator jam up to e87a6fd85cf8fb5ff37

Q: How do I fix CVE-2025-3841?

jam: upgrade to 2018-03-27. Exact commands for each OS are on this page.

Q: Is CVE-2025-3841 being exploited?

CVE-2025-3841 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-2025-3841 affect?

CVE-2025-3841 affects jam. Severity is low (CVSS 3.3). A vulnerability, which was classified as problematic, was found in wix-incubator jam up to e87a6fd85cf8fb5ff37b62b2d68f917219d07ae9. This affects an unknown part of the file jam.py of the component Jinja2 Template Handler. The manipulation

Q: How urgent is CVE-2025-3841?

Priority 26/100. Public exploit reference

Routine

LOW 3.3UPGRADE

CVE-2025-3841 is a low-severity flaw (CVSS 3.3) affecting jam. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A vulnerability, which was classified as problematic, was found in wix-incubator jam up to e87a6fd85cf8fb5ff37b62b2d68f917219d07ae9. This affects an unknown part of the file jam.py of the component Jinja2 Template Handler. The manipulation of the argument config['template'] leads to improper neutralization of special elements used in a template engine. It is possible to launch the attack on the local host. The exploit has been disclosed to the pu

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	3.3 (Low)
Attack vector	Local
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.5% (top 61%)
CISA exploited list	No
Weakness	CWE-791, CWE-1336, CWE-94
Published	2025-04-21
Last modified	2026-06-17

Publisher (CNA): VulDB · Vendor: wix

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

Am I affected?

Timeline

2025-04-21 20:15 UTCPublished CVE record published
2026-06-17 09:20 UTCUpdated Record last modified

wix jam UPGRADE

Affected: < 2018-03-27

Fixed in: 2018-03-27

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to 2018-03-27 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade jam

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-2025-3841?

jam: upgrade to 2018-03-27. Exact commands for each OS are on this page.

Is CVE-2025-3841 being exploited?

CVE-2025-3841 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-2025-3841 affect?

CVE-2025-3841 affects jam. Severity is low (CVSS 3.3). A vulnerability, which was classified as problematic, was found in wix-incubator jam up to e87a6fd85cf8fb5ff37b62b2d68f917219d07ae9. This affects an unknown part of the file jam.py of the component Jinja2 Template Handler. The manipulation

How urgent is CVE-2025-3841?

Priority 26/100. Public exploit reference

References

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