CVE-2023-36123: Directory Traversal vulnerability in Hex-Dragon Plain Craft Launcher 2 version Alpha 1.3.9, allows local attac

This month

HIGH 7.8DOWNGRADE

CVE-2023-36123 is a high-severity flaw (CVSS 7.8) affecting plain craft launcher 2. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Directory Traversal vulnerability in Hex-Dragon Plain Craft Launcher 2 version Alpha 1.3.9, allows local attackers to execute arbitrary code and gain sensitive information.

Why this priority

High severity
Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	7.8 (High)
Attack vector	Local
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.7% (top 46%)
CISA exploited list	No
Weakness	CWE-22
Published	2023-10-07
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: plain craft launcher 2 project

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

Am I affected?

Timeline

2023-10-07 00:15 UTCPublished CVE record published
2026-06-17 06:05 UTCUpdated Record last modified

plain craft launcher 2 project plain craft launcher 2 DOWNGRADE

Affected: 1.3.9 alpha

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.3.9

1. Check installed version

apt-cache policy plain-craft-launcher-2 || rpm -q plain-craft-launcher-2 || plain-craft-launcher-2 --version

2. No fixed release: DOWNGRADE to a release before 1.3.9 (Debian / Ubuntu)

apt-cache madison plain-craft-launcher-2 sudo apt install plain-craft-launcher-2=<VERSION_BEFORE_1.3.9> sudo apt-mark hold plain-craft-launcher-2

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list plain-craft-launcher-2 sudo dnf downgrade plain-craft-launcher-2-<VERSION_BEFORE_1.3.9> sudo dnf versionlock add plain-craft-launcher-2

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-2023-36123?

plain craft launcher 2: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2023-36123 being exploited?

CVE-2023-36123 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-2023-36123 affect?

CVE-2023-36123 affects plain craft launcher 2. Severity is high (CVSS 7.8). Directory Traversal vulnerability in Hex-Dragon Plain Craft Launcher 2 version Alpha 1.3.9, allows local attackers to execute arbitrary code and gain sensitive information.

How urgent is CVE-2023-36123?

Priority 46/100. High severity; Public exploit reference

References

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