CVE-2026-97161: Joomla Extension - lomart.fr - Various path traversal / file access vectors in UP plugin extension 5.0.0-5.2.0

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HIGH 7.5REMOTEUPGRADE

CVE-2026-97161 is a high-severity flaw (CVSS 7.5) affecting up. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Joomla Extension - lomart.fr - Various path traversal / file access vectors in UP plugin extension 5.0.0-5.2.0, 6.0.0-6.0.29

Why this priority

High severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.4% (top 64%)
CISA exploited list	No
Weakness	CWE-22, CWE-284
Published	2026-09-26
Last modified	2026-10-20

Publisher (CNA): Joomla! Project · Vendor: lomart

Last updated 2026-10-20 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-09-26 15:16 UTCPublished CVE record published
2026-10-20 20:17 UTCUpdated Record last modified

lomart up UPGRADE

Affected: >= 5.0.0 and <= 5.2.0 · >= 6.0.0 and <= 6.0.29

Fixed in: newer than 6.0.29

Safe to downgrade to: a release before 5.0.0

1. Check installed version

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

2. UPGRADE to newer than 6.0.29 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade up

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 5.0.0 (Debian / Ubuntu)

apt-cache madison up sudo apt install up=<VERSION_BEFORE_5.0.0> sudo apt-mark hold up

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

dnf --showduplicates list up sudo dnf downgrade up-<VERSION_BEFORE_5.0.0> sudo dnf versionlock add up

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-2026-97161?

up: upgrade to newer than 6.0.29. Exact commands for each OS are on this page.

Is CVE-2026-97161 being exploited?

CVE-2026-97161 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-2026-97161 affect?

CVE-2026-97161 affects up. Severity is high (CVSS 7.5). Joomla Extension - lomart.fr - Various path traversal / file access vectors in UP plugin extension 5.0.0-5.2.0, 6.0.0-6.0.29

How urgent is CVE-2026-97161?

Priority 40/100. High severity; Remotely exploitable, no login, no user action

Software pages

Joomla vulnerabilities

Related CVEs

CVE-2026-97160 HIGH 8.8 UPGRADE Joomla Extension - lomart.fr - Authenticated, privileged PHP command injection in UP plugin extension 5.0.0-5.
CVE-2026-97162 CRITICAL 9.8 UPGRADE Joomla Extension - lomart.fr - Various SQL injection vectors in UP plugin extension 5.0.0-5.2.0, 6.0.0-6.0.29
CVE-2026-97163 CRITICAL 9.8 UPGRADE Joomla Extension - lomart.fr - Unauthenticated remote code installation in UP plugin extension 5.0.0-5.2.0, 6.

References

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