CVE-2006-5918: Unrestricted file upload vulnerability in RapidKill (aka PHP Rapid Kill) 5.7 Pro, and certain other versions,

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HIGH 7.5DOWNGRADE

CVE-2006-5918 is a high-severity flaw (CVSS 7.5) affecting php rapid kill. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Unrestricted file upload vulnerability in RapidKill (aka PHP Rapid Kill) 5.7 Pro, and certain other versions, allows remote attackers to upload and execute arbitrary PHP scripts via the "Link to Download" field. NOTE: it is possible that the field value is restricted to files on specific public web sites.

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	2.5% (top 15%)
CISA exploited list	No
Published	2006-11-15
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: php rapid kill

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

Am I affected?

Timeline

2006-11-15 15:07 UTCPublished CVE record published
2026-06-16 22:32 UTCUpdated Record last modified

php rapid kill php rapid kill DOWNGRADE

Affected: 5.7_pro

Fixed in: no fixed release known

Safe to downgrade to: a release before 5.7_pro

1. Check installed version

apt-cache policy php-rapid-kill || rpm -q php-rapid-kill || php-rapid-kill --version

2. No fixed release: DOWNGRADE to a release before 5.7_pro (Debian / Ubuntu)

apt-cache madison php-rapid-kill sudo apt install php-rapid-kill=<VERSION_BEFORE_5.7_pro> sudo apt-mark hold php-rapid-kill

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

dnf --showduplicates list php-rapid-kill sudo dnf downgrade php-rapid-kill-<VERSION_BEFORE_5.7_pro> sudo dnf versionlock add php-rapid-kill

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: PHP RapidKill Pro 5.x - Arbitrary File Upload

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-2006-5918?

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

Is CVE-2006-5918 being exploited?

CVE-2006-5918 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-2006-5918 affect?

CVE-2006-5918 affects php rapid kill. Severity is high (CVSS 7.5). Unrestricted file upload vulnerability in RapidKill (aka PHP Rapid Kill) 5.7 Pro, and certain other versions, allows remote attackers to upload and execute arbitrary PHP scripts via the "Link to Download" field. NOTE: it is possible that t

How urgent is CVE-2006-5918?

Priority 52/100. High severity; Public exploit reference

Software pages

PHP vulnerabilities

References

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