CVE-2006-3796

CVE-2006-3796 is a high-severity vulnerability in Deluxebb with a CVSS 2.0 base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

DeluxeBB 1.07 and earlier does not properly handle a username composed of a single space character, which allows remote authenticated users to login as the "space" user, post as the guest user, and block the ability of an administrator to ban the "space" user.

Frequently asked questions

What is CVE-2006-3796?
DeluxeBB 1.07 and earlier does not properly handle a username composed of a single space character, which allows remote authenticated users to login as the "space" user, post as the guest user, and block the ability of an administrator to ban the "space" user.
How severe is CVE-2006-3796?
CVE-2006-3796 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2006-3796 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2006-3796?
CVE-2006-3796 affects Deluxebb. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2006-3796?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2006-3796 published?
CVE-2006-3796 was published on 2006-07-24 and last updated on 2026-06-16.

References

Affected products (1)

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