CVE-2025-0502: Transmission of Private Resources into a New Sphere ('Resource Leak') vulnerability in CrafterCMS Engine on Li

This month

CRITICAL 9.1REMOTEUPGRADE

CVE-2025-0502 is a critical-severity flaw (CVSS 9.1) affecting craftercms. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Transmission of Private Resources into a New Sphere ('Resource Leak') vulnerability in CrafterCMS Engine on Linux, MacOS, x86, Windows, 64 bit, ARM allows Directory Indexing, Resource Leak Exposure.This issue affects CrafterCMS: from 4.0.0 before 4.0.8, from 4.1.0 before 4.1.6.

Why this priority

Critical severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.1 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.5% (top 61%)
CISA exploited list	No
Weakness	CWE-402
Published	2025-01-15
Last modified	2026-06-17

Publisher (CNA): Crafter CMS · Vendor: craftercms

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

Am I affected?

Timeline

2025-01-15 18:15 UTCPublished CVE record published
2026-06-17 08:26 UTCUpdated Record last modified

craftercms craftercms UPGRADE

Affected: >= 4.0.0 and < 4.0.8 · >= 4.1.0 and < 4.1.6

Fixed in: 4.0.8, 4.1.6

Safe to downgrade to: a release before 4.0.0

1. Check installed version

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

2. UPGRADE to 4.0.8 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade craftercms

Note

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

3. If no update is available yet, DOWNGRADE to a release before 4.0.0 (Debian / Ubuntu)

apt-cache madison craftercms sudo apt install craftercms=<VERSION_BEFORE_4.0.0> sudo apt-mark hold craftercms

3. If no update is available yet, DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list craftercms sudo dnf downgrade craftercms-<VERSION_BEFORE_4.0.0> sudo dnf versionlock add craftercms

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

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-2025-0502?

craftercms: upgrade to 4.0.8, 4.1.6. Exact commands for each OS are on this page.

Is CVE-2025-0502 being exploited?

CVE-2025-0502 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-2025-0502 affect?

CVE-2025-0502 affects craftercms. Severity is critical (CVSS 9.1). Transmission of Private Resources into a New Sphere ('Resource Leak') vulnerability in CrafterCMS Engine on Linux, MacOS, x86, Windows, 64 bit, ARM allows Directory Indexing, Resource Leak Exposure.This issue affects CrafterCMS: from 4.0.0

How urgent is CVE-2025-0502?

Priority 47/100. Critical severity; Remotely exploitable, no login, no user action

Software pages

Windows vulnerabilities · macOS vulnerabilities

References

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