CVE-2025-62851: A path traversal vulnerability has been reported to affect License Center

Routine

MEDIUM 4.4UPGRADE

CVE-2025-62851 is a medium-severity flaw (CVSS 4.4) affecting license center. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A path traversal vulnerability has been reported to affect License Center. If a local attacker gains an administrator account, they can then exploit the vulnerability to read the contents of unexpected files or system data. We have already fixed the vulnerability in the following version: License Center 1.9.56 and later

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	4.4 (Medium)
Attack vector	Local
Attack complexity	Low
Privileges needed	High
User interaction	None
EPSS exploit chance	0.3% (top 83%)
CISA exploited list	No
Weakness	CWE-22
Published	2026-06-10
Last modified	2026-07-23

Publisher (CNA): QNAP Systems, Inc. · Vendor: qnap

Last updated 2026-07-23 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-06-10 04:17 UTCPublished CVE record published
2026-07-23 09:10 UTCUpdated Record last modified

qnap license center UPGRADE

Affected: >= 1.9.36 and < 1.9.56

Fixed in: 1.9.56

Safe to downgrade to: a release before 1.9.36

1. Check installed version

apt-cache policy license-center || rpm -q license-center || license-center --version

2. UPGRADE to 1.9.56 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade license-center

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade license-center

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 1.9.36 (Debian / Ubuntu)

apt-cache madison license-center sudo apt install license-center=<VERSION_BEFORE_1.9.36> sudo apt-mark hold license-center

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

dnf --showduplicates list license-center sudo dnf downgrade license-center-<VERSION_BEFORE_1.9.36> sudo dnf versionlock add license-center

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-2025-62851?

license center: upgrade to 1.9.56. Exact commands for each OS are on this page.

Is CVE-2025-62851 being exploited?

CVE-2025-62851 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-2025-62851 affect?

CVE-2025-62851 affects license center. Severity is medium (CVSS 4.4). A path traversal vulnerability has been reported to affect License Center. If a local attacker gains an administrator account, they can then exploit the vulnerability to read the contents of unexpected files or system data. We have already

How urgent is CVE-2025-62851?

Priority 20/100. No elevated risk signals yet.

Software pages

QNAP vulnerabilities

References

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