CVE-2006-6259

CVE-2006-6259 is a critical-severity vulnerability in Alternc with a CVSS 2.0 base score of 10.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

Multiple directory traversal vulnerabilities in (a) class/functions.php and (b) class/m_bro.php in AlternC 0.9.5 and earlier allow remote attackers to (1) create arbitrary files and directories via a .. (dot dot) in the "create name" field and (2) read arbitrary files via a .. (dot dot) in the "web root" field when configuring a subdomain.

Frequently asked questions

What is CVE-2006-6259?
Multiple directory traversal vulnerabilities in (a) class/functions.php and (b) class/m_bro.php in AlternC 0.9.5 and earlier allow remote attackers to (1) create arbitrary files and directories via a .. (dot dot) in the "create name" field and (2) read arbitrary files via a .. (dot dot) in the "web root" field when configuring a subdomain.
How severe is CVE-2006-6259?
CVE-2006-6259 has a CVSS 2.0 base score of 10.0, rated critical severity.
Is CVE-2006-6259 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (88th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2006-6259?
CVE-2006-6259 affects Alternc. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2006-6259?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2006-6259 published?
CVE-2006-6259 was published on 2006-12-04 and last updated on 2026-06-16.

References

Affected products (1)

More vulnerabilities in Alternc

All CVEs affecting Alternc →