CVE-2006-5896: REMLAB Web Mech Designer 2.0.5 allows remote attackers to obtain the full path of the script via an incorrect

This month

MEDIUM 5.0DOWNGRADE

CVE-2006-5896 is a medium-severity flaw (CVSS 5.0) affecting web mech designer. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

REMLAB Web Mech Designer 2.0.5 allows remote attackers to obtain the full path of the script via an incorrect Tonnage parameter to calculate.php that triggers a divide-by-zero error, which leaks the path in an error message.

Why this priority

Public exploit reference

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

Risk facts

CVSS score	5.0 (Medium)
EPSS exploit chance	1.6% (top 24%)
CISA exploited list	No
Published	2006-11-27
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: remlab

Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2006-11-27 21:07 UTCPublished CVE record published
2026-06-16 22:32 UTCUpdated Record last modified

remlab web mech designer DOWNGRADE

Affected: 2.0.5

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.0.5

1. Check installed version

apt-cache policy web-mech-designer || rpm -q web-mech-designer || web-mech-designer --version

2. No fixed release: DOWNGRADE to a release before 2.0.5 (Debian / Ubuntu)

apt-cache madison web-mech-designer sudo apt install web-mech-designer=<VERSION_BEFORE_2.0.5> sudo apt-mark hold web-mech-designer

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

dnf --showduplicates list web-mech-designer sudo dnf downgrade web-mech-designer-<VERSION_BEFORE_2.0.5> sudo dnf versionlock add web-mech-designer

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-2006-5896?

web mech designer: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2006-5896 being exploited?

CVE-2006-5896 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-2006-5896 affect?

CVE-2006-5896 affects web mech designer. Severity is medium (CVSS 5.0). REMLAB Web Mech Designer 2.0.5 allows remote attackers to obtain the full path of the script via an incorrect Tonnage parameter to calculate.php that triggers a divide-by-zero error, which leaks the path in an error message.

How urgent is CVE-2006-5896?

Priority 42/100. Public exploit reference

Software pages

PHP vulnerabilities

References

← Back to latest CVEs