CVE-2023-29478: BiblioCraft before 2.4.6 does not sanitize path-traversal characters in filenames, allowing restricted write a

Q: How do I fix CVE-2023-29478?

bibliocraft: upgrade to 2.4.6. Exact commands for each OS are on this page.

Q: Is CVE-2023-29478 being exploited?

CVE-2023-29478 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-2023-29478 affect?

CVE-2023-29478 affects bibliocraft. Severity is critical (CVSS 9.8). BiblioCraft before 2.4.6 does not sanitize path-traversal characters in filenames, allowing restricted write access to almost anywhere on the filesystem. This includes the Minecraft mods folder, which results in code execution.

Q: How urgent is CVE-2023-29478?

Priority 63/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action

This week

CRITICAL 9.8REMOTEUPGRADE

CVE-2023-29478 is a critical-severity flaw (CVSS 9.8) affecting bibliocraft. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

BiblioCraft before 2.4.6 does not sanitize path-traversal characters in filenames, allowing restricted write access to almost anywhere on the filesystem. This includes the Minecraft mods folder, which results in code execution.

Why this priority

Critical severity
Public exploit reference
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.7% (top 23%)
CISA exploited list	No
Weakness	CWE-22
Published	2023-04-07
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: bibliocraftmod

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

Am I affected?

Timeline

2023-04-07 04:15 UTCPublished CVE record published
2026-06-17 05:50 UTCUpdated Record last modified

bibliocraftmod bibliocraft UPGRADE

Affected: < 2.4.6

Fixed in: 2.4.6

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to 2.4.6 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade bibliocraft

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-2023-29478?

bibliocraft: upgrade to 2.4.6. Exact commands for each OS are on this page.

Is CVE-2023-29478 being exploited?

CVE-2023-29478 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-2023-29478 affect?

CVE-2023-29478 affects bibliocraft. Severity is critical (CVSS 9.8). BiblioCraft before 2.4.6 does not sanitize path-traversal characters in filenames, allowing restricted write access to almost anywhere on the filesystem. This includes the Minecraft mods folder, which results in code execution.

How urgent is CVE-2023-29478?

Priority 63/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action

References

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