CVE-2018-0580: Untrusted search path vulnerability in CELSYS, Inc CLIP STUDIO series (CLIP STUDIO PAINT (for Windows) EX/PRO/

Q: How do I fix CVE-2018-0580?

clip studio action: upgrade to newer than 1.5.5; clip studio modeler: upgrade to newer than 1.6.3; clip studio paint: upgrade to newer than 1.7.3. Exact commands for each OS are on this page.

Q: Is CVE-2018-0580 being exploited?

CVE-2018-0580 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-2018-0580 affect?

CVE-2018-0580 affects clip studio action, clip studio modeler, clip studio paint. Severity is high (CVSS 7.8). Untrusted search path vulnerability in CELSYS, Inc CLIP STUDIO series (CLIP STUDIO PAINT (for Windows) EX/PRO/DEBUT Ver.1.7.3 and earlier, CLIP STUDIO ACTION (for Windows) Ver.1.5.5 and earlier, with its timestamp prior to April 25, 2018, 1

This month

HIGH 7.8UPGRADEUPGRADEUPGRADE

CVE-2018-0580 is a high-severity flaw (CVSS 7.8) affecting clip studio action, clip studio modeler, clip studio paint. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Untrusted search path vulnerability in CELSYS, Inc CLIP STUDIO series (CLIP STUDIO PAINT (for Windows) EX/PRO/DEBUT Ver.1.7.3 and earlier, CLIP STUDIO ACTION (for Windows) Ver.1.5.5 and earlier, with its timestamp prior to April 25, 2018, 12:11:31, and CLIP STUDIO MODELER (for Windows) Ver.1.6.3 and earlier, with its timestamp prior to April 25, 2018, 17:02:49) allows remote attackers to gain privileges via a Trojan horse DLL in an unspecified di

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	None
User interaction	Required
EPSS exploit chance	2.0% (top 20%)
CISA exploited list	No
Weakness	CWE-426
Published	2018-05-14
Last modified	2026-06-17

Publisher (CNA): JPCERT/CC · Vendor: celsys

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

Am I affected?

Timeline

2018-05-14 13:29 UTCPublished CVE record published
2026-06-17 01:31 UTCUpdated Record last modified

celsys clip studio action UPGRADE

Affected: <= 1.5.5

Fixed in: newer than 1.5.5

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy clip-studio-action || rpm -q clip-studio-action || clip-studio-action --version

2. UPGRADE to newer than 1.5.5 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade clip-studio-action

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade clip-studio-action

Note

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

celsys clip studio modeler UPGRADE

Affected: <= 1.6.3

Fixed in: newer than 1.6.3

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy clip-studio-modeler || rpm -q clip-studio-modeler || clip-studio-modeler --version

2. UPGRADE to newer than 1.6.3 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade clip-studio-modeler

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade clip-studio-modeler

Note

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

celsys clip studio paint UPGRADE

Affected: <= 1.7.3

Fixed in: newer than 1.7.3

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy clip-studio-paint || rpm -q clip-studio-paint || clip-studio-paint --version

2. UPGRADE to newer than 1.7.3 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade clip-studio-paint

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade clip-studio-paint

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-2018-0580?

clip studio action: upgrade to newer than 1.5.5; clip studio modeler: upgrade to newer than 1.6.3; clip studio paint: upgrade to newer than 1.7.3. Exact commands for each OS are on this page.

Is CVE-2018-0580 being exploited?

CVE-2018-0580 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-2018-0580 affect?

CVE-2018-0580 affects clip studio action, clip studio modeler, clip studio paint. Severity is high (CVSS 7.8). Untrusted search path vulnerability in CELSYS, Inc CLIP STUDIO series (CLIP STUDIO PAINT (for Windows) EX/PRO/DEBUT Ver.1.7.3 and earlier, CLIP STUDIO ACTION (for Windows) Ver.1.5.5 and earlier, with its timestamp prior to April 25, 2018, 1

How urgent is CVE-2018-0580?

Priority 47/100. High severity

Software pages

Windows vulnerabilities

References

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