CVE-2006-6586: Multiple PHP remote file inclusion vulnerabilities in Vortex Blog (vBlog, aka C12) a0.1_nonfunc allow remote a

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HIGH 7.5DOWNGRADE

CVE-2006-6586 is a high-severity flaw (CVSS 7.5) affecting vblog. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Multiple PHP remote file inclusion vulnerabilities in Vortex Blog (vBlog, aka C12) a0.1_nonfunc allow remote attackers to execute arbitrary PHP code via a URL in the cfgProgDir parameter in (1) secure.php or (2) checklogin.php in admin/auth/.

Why this priority

High severity
Public exploit reference

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

Risk facts

CVSS score	7.5 (High)
EPSS exploit chance	2.4% (top 16%)
CISA exploited list	No
Published	2006-12-15
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: vblog

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

Am I affected?

Timeline

2006-12-15 19:28 UTCPublished CVE record published
2026-06-16 22:33 UTCUpdated Record last modified

vblog vblog DOWNGRADE

Affected: a0.1_nonfunc

Fixed in: no fixed release known

Safe to downgrade to: a release before a0.1_nonfunc

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before a0.1_nonfunc (Debian / Ubuntu)

apt-cache madison vblog sudo apt install vblog=<VERSION_BEFORE_a0.1_nonfunc> sudo apt-mark hold vblog

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

dnf --showduplicates list vblog sudo dnf downgrade vblog-<VERSION_BEFORE_a0.1_nonfunc> sudo dnf versionlock add vblog

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.

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Exploit-DB: vBlog / C12 0.1 - 'cfgProgDir' Remote File Inclusion

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-2006-6586?

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

Is CVE-2006-6586 being exploited?

CVE-2006-6586 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-2006-6586 affect?

CVE-2006-6586 affects vblog. Severity is high (CVSS 7.5). Multiple PHP remote file inclusion vulnerabilities in Vortex Blog (vBlog, aka C12) a0.1_nonfunc allow remote attackers to execute arbitrary PHP code via a URL in the cfgProgDir parameter in (1) secure.php or (2) checklogin.php in admin/auth

How urgent is CVE-2006-6586?

Priority 52/100. High severity; Public exploit reference

Software pages

PHP vulnerabilities

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CVE-2025-2364 LOW 3.5 MITIGATE A vulnerability classified as problematic was found in lenve VBlog up to 1.0.0
CVE-2025-2363 MEDIUM 6.3 MITIGATE A vulnerability classified as critical has been found in lenve VBlog up to 1.0.0

References

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