CVE-2026-6418: An issue was discovered in the Shared Account Synchronization component of PaperCut MF (version 25.0.4)

Q: How do I fix CVE-2026-6418?

papercut mf: upgrade to 25.0.11; papercut ng: upgrade to 25.0.11. Exact commands for each OS are on this page.

Q: Is CVE-2026-6418 being exploited?

CVE-2026-6418 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-2026-6418 affect?

CVE-2026-6418 affects papercut mf, papercut ng. Severity is medium (CVSS 4.9). An issue was discovered in the Shared Account Synchronization component of PaperCut MF (version 25.0.4). The application allows administrative users to configure a source path for account data synchronization. Due to a lack of proper pat

Q: How urgent is CVE-2026-6418?

Priority 29/100. No elevated risk signals yet.

Routine

MEDIUM 4.9UPGRADEUPGRADE

CVE-2026-6418 is a medium-severity flaw (CVSS 4.9) affecting papercut mf, papercut ng. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An issue was discovered in the Shared Account Synchronization component of PaperCut MF (version 25.0.4). The application allows administrative users to configure a source path for account data synchronization. Due to a lack of proper path validation and sanitization, an authenticated user with administrative privileges can specify arbitrary file paths on the local file system. This allows for the enumeration of directory structures and the una

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	4.9 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	High
User interaction	None
EPSS exploit chance	0.6% (top 54%)
CISA exploited list	No
Weakness	CWE-36, CWE-552
Published	2026-05-05
Last modified	2026-10-26

Publisher (CNA): PaperCut · Vendor: papercut

Last updated 2026-10-26 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-05-05 07:16 UTCPublished CVE record published
2026-10-26 19:10 UTCUpdated Record last modified

papercut papercut mf UPGRADE

Affected: < 25.0.11

Fixed in: 25.0.11

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy papercut-mf || rpm -q papercut-mf || papercut-mf --version

2. UPGRADE to 25.0.11 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade papercut-mf

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade papercut-mf

Note

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

papercut papercut ng UPGRADE

Affected: < 25.0.11

Fixed in: 25.0.11

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy papercut-ng || rpm -q papercut-ng || papercut-ng --version

2. UPGRADE to 25.0.11 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade papercut-ng

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade papercut-ng

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-2026-6418?

papercut mf: upgrade to 25.0.11; papercut ng: upgrade to 25.0.11. Exact commands for each OS are on this page.

Is CVE-2026-6418 being exploited?

CVE-2026-6418 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-2026-6418 affect?

CVE-2026-6418 affects papercut mf, papercut ng. Severity is medium (CVSS 4.9). An issue was discovered in the Shared Account Synchronization component of PaperCut MF (version 25.0.4). The application allows administrative users to configure a source path for account data synchronization. Due to a lack of proper pat

How urgent is CVE-2026-6418?

Priority 29/100. No elevated risk signals yet.

Related CVEs

CVE-2026-6180 HIGH 8.1 UPGRADE UPGRADE A race condition exists in PaperCut MF when processing badge-swipe data from certain HP multifunction devices
CVE-2026-82078 CRITICAL 9.1 EXPLOITED UPGRADE UPGRADE PaperCut NG/MF Unsafe Reflection Vulnerability
CVE-2026-81578 CRITICAL 9.8 EXPLOITED UPGRADE UPGRADE PaperCut NG/MF Missing Authentication for Critical Function Vulnerability

References

← Back to latest CVEs