CVE-2006-2839: Directory traversal vulnerability in PG Problem Editor module (PGProblemEditor.pm) in WeBWorK Online Homework

Q: How do I fix CVE-2006-2839?

webwork: upgrade to newer than 2.2.0. Exact commands for each OS are on this page.

Q: Is CVE-2006-2839 being exploited?

CVE-2006-2839 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-2006-2839 affect?

CVE-2006-2839 affects webwork. Severity is medium (CVSS 6.4). Directory traversal vulnerability in PG Problem Editor module (PGProblemEditor.pm) in WeBWorK Online Homework Delivery System 2.2.0 and earlier allows remote attackers to read and write files outside of the templates directory.

Q: How urgent is CVE-2006-2839?

Priority 42/100. No elevated risk signals yet.

This month

MEDIUM 6.4UPGRADE

CVE-2006-2839 is a medium-severity flaw (CVSS 6.4) affecting webwork. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Directory traversal vulnerability in PG Problem Editor module (PGProblemEditor.pm) in WeBWorK Online Homework Delivery System 2.2.0 and earlier allows remote attackers to read and write files outside of the templates directory.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	6.4 (Medium)
EPSS exploit chance	1.8% (top 22%)
CISA exploited list	No
Published	2006-06-06
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: webwork

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

Am I affected?

Timeline

2006-06-06 20:06 UTCPublished CVE record published
2026-06-16 22:25 UTCUpdated Record last modified

webwork webwork UPGRADE

Affected: <= 2.2.0

Fixed in: newer than 2.2.0

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 2.2.0 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade webwork

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-2006-2839?

webwork: upgrade to newer than 2.2.0. Exact commands for each OS are on this page.

Is CVE-2006-2839 being exploited?

CVE-2006-2839 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-2006-2839 affect?

CVE-2006-2839 affects webwork. Severity is medium (CVSS 6.4). Directory traversal vulnerability in PG Problem Editor module (PGProblemEditor.pm) in WeBWorK Online Homework Delivery System 2.2.0 and earlier allows remote attackers to read and write files outside of the templates directory.

How urgent is CVE-2006-2839?

Priority 42/100. No elevated risk signals yet.

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References

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