CVE-2026-33061: Jexactyl is a customisable game management panel and billing system

Q: How do I fix CVE-2026-33061?

jexactyl: upgrade to newer than 3.8.0. Exact commands for each OS are on this page.

Q: Is CVE-2026-33061 being exploited?

CVE-2026-33061 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-2026-33061 affect?

CVE-2026-33061 affects jexactyl. Severity is medium (CVSS 5.8). Jexactyl is a customisable game management panel and billing system. Commits after 025e8dbb0daaa04054276bda814d922cf4af58da and before e28edb204e80efab628d1241198ea4f079779cfd inject server-side objects into client-side JavaScript through r

Q: How urgent is CVE-2026-33061?

Priority 27/100. Public exploit reference

Routine

MEDIUM 5.8UPGRADE

CVE-2026-33061 is a medium-severity flaw (CVSS 5.8) affecting jexactyl. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Jexactyl is a customisable game management panel and billing system. Commits after 025e8dbb0daaa04054276bda814d922cf4af58da and before e28edb204e80efab628d1241198ea4f079779cfd inject server-side objects into client-side JavaScript through resources/views/templates/wrapper.blade.php. Using unescaped {!! json_encode(...) !!} without safe encoding flags allows string values to break out of the JavaScript context and be interpreted as HTML/JS by the

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	5.8 (Medium)
Attack vector	Local
Attack complexity	Low
Privileges needed	High
User interaction	Required
EPSS exploit chance	0.2% (top 94%)
CISA exploited list	No
Weakness	CWE-79
Published	2026-03-20
Last modified	2026-06-17

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

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

Am I affected?

Timeline

2026-03-20 08:16 UTCPublished CVE record published
2026-06-17 10:36 UTCUpdated Record last modified

jexactyl jexactyl UPGRADE

Affected: <= 3.8.0 · 4.0.0 beta1 · 4.0.0 beta2 · 4.0.0 beta3 · 4.0.0 beta4 · 4.0.0 beta5 · 4.0.0 beta6 · 4.0.0 beta7

Fixed in: newer than 3.8.0

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 3.8.0 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade jexactyl

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-2026-33061?

jexactyl: upgrade to newer than 3.8.0. Exact commands for each OS are on this page.

Is CVE-2026-33061 being exploited?

CVE-2026-33061 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-2026-33061 affect?

CVE-2026-33061 affects jexactyl. Severity is medium (CVSS 5.8). Jexactyl is a customisable game management panel and billing system. Commits after 025e8dbb0daaa04054276bda814d922cf4af58da and before e28edb204e80efab628d1241198ea4f079779cfd inject server-side objects into client-side JavaScript through r

How urgent is CVE-2026-33061?

Priority 27/100. Public exploit reference

Software pages

PHP vulnerabilities

References

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