CVE-2006-5729: Yazd Discussion Forum before 3.0 beta does not properly manage forum permissions, which allows remote authenti

This month

MEDIUM 6.5DOWNGRADE

CVE-2006-5729 is a medium-severity flaw (CVSS 6.5) affecting yazd discussion forum. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Yazd Discussion Forum before 3.0 beta does not properly manage forum permissions, which allows remote authenticated users to (1) reply to a message in an arbitrary forum, if authorized to create a message in any forum; and (2) perform certain unauthorized forum actions, related to an "error in how the permissions were assembled" that assigns extra permissions to users.

Why this priority

No elevated risk signals yet

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

Risk facts

CVSS score	6.5 (Medium)
EPSS exploit chance	1.2% (top 31%)
CISA exploited list	No
Published	2006-11-06
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: yazd

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

Am I affected?

Timeline

2006-11-06 18:07 UTCPublished CVE record published
2026-06-16 22:31 UTCUpdated Record last modified

yazd yazd discussion forum DOWNGRADE

Affected: 1.0 · 2.0 · 2.1 · 2.2 · 2.3 · 2.4

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0

1. Check installed version

apt-cache policy yazd-discussion-forum || rpm -q yazd-discussion-forum || yazd-discussion-forum --version

2. No fixed release: DOWNGRADE to a release before 1.0 (Debian / Ubuntu)

apt-cache madison yazd-discussion-forum sudo apt install yazd-discussion-forum=<VERSION_BEFORE_1.0> sudo apt-mark hold yazd-discussion-forum

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

dnf --showduplicates list yazd-discussion-forum sudo dnf downgrade yazd-discussion-forum-<VERSION_BEFORE_1.0> sudo dnf versionlock add yazd-discussion-forum

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-2006-5729?

yazd discussion forum: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2006-5729 being exploited?

CVE-2006-5729 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-2006-5729 affect?

CVE-2006-5729 affects yazd discussion forum. Severity is medium (CVSS 6.5). Yazd Discussion Forum before 3.0 beta does not properly manage forum permissions, which allows remote authenticated users to (1) reply to a message in an arbitrary forum, if authorized to create a message in any forum; and (2) perform certa

How urgent is CVE-2006-5729?

Priority 40/100. No elevated risk signals yet.

References

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