How severe is CVE-2006-6276?

CVE-2006-6276 has a CVSS 2.0 base score of 6.8, rated medium severity.

Is CVE-2006-6276 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-2006-6276?

CVE-2006-6276 primarily affects Sun Java System Application Server. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2006-6276?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2006-6276 published?

CVE-2006-6276 was published on 2006-12-04 and last updated on 2026-06-16.

CVE-2006-6276

CVE-2006-6276 is a medium-severity vulnerability in Sun Java System Application Server with a CVSS 2.0 base score of 6.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-444.

Key facts

Severity: Medium (CVSS 2.0 base score 6.8)
EPSS exploit prediction: 4% (88th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-444
Affected product: Sun Java System Application Server
Published: 2006-12-04
Last modified: 2026-06-16

Description

HTTP request smuggling vulnerability in Sun Java System Proxy Server before 20061130, when used with Sun Java System Application Server or Sun Java System Web Server, allows remote attackers to bypass HTTP request filtering, hijack web sessions, perform cross-site scripting (XSS), and poison web caches via unspecified attack vectors.

Frequently asked questions

What is CVE-2006-6276?: HTTP request smuggling vulnerability in Sun Java System Proxy Server before 20061130, when used with Sun Java System Application Server or Sun Java System Web Server, allows remote attackers to bypass HTTP request filtering, hijack web sessions, perform cross-site scripting (XSS), and poison web caches via unspecified attack vectors.
How severe is CVE-2006-6276?: CVE-2006-6276 has a CVSS 2.0 base score of 6.8, rated medium severity.
Is CVE-2006-6276 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-2006-6276?: CVE-2006-6276 primarily affects Sun Java System Application Server. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2006-6276?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2006-6276 published?: CVE-2006-6276 was published on 2006-12-04 and last updated on 2026-06-16.

References

Affected products (8)

cpe:2.3:a:sun:java_system_application_server:7.0:*:*:*:*:*:*:*
cpe:2.3:a:sun:java_system_application_server:8.1:*:*:*:*:*:*:*
cpe:2.3:a:sun:java_system_web_proxy_server:-:*:*:*:*:*:*:*
cpe:2.3:a:sun:java_system_web_proxy_server:3.6:*:*:*:*:*:*:*
cpe:2.3:a:sun:java_system_web_proxy_server:4.0:*:*:*:*:*:*:*
cpe:2.3:a:sun:java_system_web_server:6.0:*:*:*:*:*:*:*
cpe:2.3:a:sun:java_system_web_server:6.1:*:*:*:*:*:*:*
cpe:2.3:a:sun:one_application_server:7.0:*:*:*:*:*:*:*

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