CVE-2009-0639: PHP remote file inclusion vulnerability in moduli/libri/index.php in phpyabs 0.1.2 allows remote attackers to

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HIGH 7.5DOWNGRADE

CVE-2009-0639 is a high-severity flaw (CVSS 7.5) affecting phpyabs. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

PHP remote file inclusion vulnerability in moduli/libri/index.php in phpyabs 0.1.2 allows remote attackers to execute arbitrary PHP code via a URL in the Azione parameter.

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	2.6% (top 15%)
CISA exploited list	No
Weakness	CWE-94
Published	2009-02-18
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: phpyabs

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

Am I affected?

Timeline

2009-02-18 16:30 UTCPublished CVE record published
2026-06-16 23:05 UTCUpdated Record last modified

phpyabs phpyabs DOWNGRADE

Affected: 0.1.2

Fixed in: no fixed release known

Safe to downgrade to: a release before 0.1.2

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 0.1.2 (Debian / Ubuntu)

apt-cache madison phpyabs sudo apt install phpyabs=<VERSION_BEFORE_0.1.2> sudo apt-mark hold phpyabs

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

dnf --showduplicates list phpyabs sudo dnf downgrade phpyabs-<VERSION_BEFORE_0.1.2> sudo dnf versionlock add phpyabs

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: phpYabs 0.1.2 - 'Azione' 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-2009-0639?

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

Is CVE-2009-0639 being exploited?

CVE-2009-0639 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-2009-0639 affect?

CVE-2009-0639 affects phpyabs. Severity is high (CVSS 7.5). PHP remote file inclusion vulnerability in moduli/libri/index.php in phpyabs 0.1.2 allows remote attackers to execute arbitrary PHP code via a URL in the Azione parameter.

How urgent is CVE-2009-0639?

Priority 53/100. High severity; Public exploit reference

Software pages

PHP vulnerabilities

References

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