CVE-2009-4405: Multiple unspecified vulnerabilities in Trac before 0.11.6 have unknown impact and attack vectors, possibly re

Q: How do I fix CVE-2009-4405?

trac: upgrade to newer than 0.11.5. Exact commands for each OS are on this page.

Q: Is CVE-2009-4405 being exploited?

CVE-2009-4405 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-2009-4405 affect?

CVE-2009-4405 affects trac. Severity is high (CVSS 7.5). Multiple unspecified vulnerabilities in Trac before 0.11.6 have unknown impact and attack vectors, possibly related to (1) "policy checks in report results when using alternate formats" or (2) a "check for the 'raw' role that is missing in

This month

HIGH 7.5UPGRADE

CVE-2009-4405 is a high-severity flaw (CVSS 7.5) affecting trac. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Multiple unspecified vulnerabilities in Trac before 0.11.6 have unknown impact and attack vectors, possibly related to (1) "policy checks in report results when using alternate formats" or (2) a "check for the 'raw' role that is missing in docutils < 0.6."

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
EPSS exploit chance	2.0% (top 20%)
CISA exploited list	No
Published	2009-12-23
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: edgewall

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

Am I affected?

Timeline

2009-12-23 21:30 UTCPublished CVE record published
2026-06-16 23:13 UTCUpdated Record last modified

edgewall trac UPGRADE

Affected: <= 0.11.5 · 0.5 · 0.5.1 · 0.5.2 · 0.6 · 0.6.1 · 0.7 · 0.7.1

Fixed in: newer than 0.11.5

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 0.11.5 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade trac

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-2009-4405?

trac: upgrade to newer than 0.11.5. Exact commands for each OS are on this page.

Is CVE-2009-4405 being exploited?

CVE-2009-4405 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-2009-4405 affect?

CVE-2009-4405 affects trac. Severity is high (CVSS 7.5). Multiple unspecified vulnerabilities in Trac before 0.11.6 have unknown impact and attack vectors, possibly related to (1) "policy checks in report results when using alternate formats" or (2) a "check for the 'raw' role that is missing in

How urgent is CVE-2009-4405?

Priority 46/100. High severity

Related CVEs

CVE-2010-5108 HIGH 7.5 DOWNGRADE MITIGATE Trac 0.11.6 does not properly check workflow permissions before modifying a ticket
CVE-2008-5647 MEDIUM 5.0 UPGRADE Unspecified vulnerability in the HTML sanitizer filter in Trac before 0.11.2 allows attackers to conduct phish
CVE-2008-5646 HIGH 7.5 UPGRADE Unspecified vulnerability in Trac before 0.11.2 allows attackers to cause a denial of service via unknown atta
CVE-2008-3328 MEDIUM 4.3 UPGRADE Cross-site scripting (XSS) vulnerability in the wiki engine in Trac before 0.10.5 allows remote attackers to i
CVE-2008-2951 MEDIUM 6.1 UPGRADE MITIGATE Open redirect vulnerability in the search script in Trac before 0.10.5 allows remote attackers to redirect use

References

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