CVE-2005-1526: PHP remote file inclusion vulnerability in config_settings.php in Cacti before 0.8.6e allows remote attackers

Q: How do I fix CVE-2005-1526?

cacti: upgrade to newer than 0.8.6d. Exact commands for each OS are on this page.

Q: Is CVE-2005-1526 being exploited?

CVE-2005-1526 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-2005-1526 affect?

CVE-2005-1526 affects cacti. Severity is high (CVSS 7.5). PHP remote file inclusion vulnerability in config_settings.php in Cacti before 0.8.6e allows remote attackers to execute arbitrary PHP code via the config[include_path] parameter.

Q: How urgent is CVE-2005-1526?

Priority 56/100. High severity; EPSS top 3%: very likely to be exploited; Public exploit reference

This week

HIGH 7.5UPGRADE

CVE-2005-1526 is a high-severity flaw (CVSS 7.5) affecting cacti. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

PHP remote file inclusion vulnerability in config_settings.php in Cacti before 0.8.6e allows remote attackers to execute arbitrary PHP code via the config[include_path] parameter.

Why this priority

High severity
EPSS top 3%: very likely to be exploited
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
EPSS exploit chance	16.6% (top 3%)
CISA exploited list	No
Published	2005-06-22
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: the cacti group

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

Am I affected?

Timeline

2005-06-22 04:00 UTCPublished CVE record published
2026-06-16 22:13 UTCUpdated Record last modified

the cacti group cacti UPGRADE

Affected: <= 0.8.6d · 0.5 · 0.6 · 0.6.1 · 0.6.2 · 0.6.3 · 0.6.4 · 0.6.5

Fixed in: newer than 0.8.6d

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 0.8.6d (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade cacti

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

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: RaXnet Cacti 0.5/0.6/0.8 - 'Config_Settings.php' 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-2005-1526?

cacti: upgrade to newer than 0.8.6d. Exact commands for each OS are on this page.

Is CVE-2005-1526 being exploited?

CVE-2005-1526 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-2005-1526 affect?

CVE-2005-1526 affects cacti. Severity is high (CVSS 7.5). PHP remote file inclusion vulnerability in config_settings.php in Cacti before 0.8.6e allows remote attackers to execute arbitrary PHP code via the config[include_path] parameter.

How urgent is CVE-2005-1526?

Priority 56/100. High severity; EPSS top 3%: very likely to be exploited; Public exploit reference

Software pages

PHP vulnerabilities

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References

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