PT-2026-137449

CVE-2026-103866

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Published

2026-11-05

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Updated

2026-11-05

Description by

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Inconsistent interpretation of HTTP requests ('HTTP Request/Response smuggling') vulnerability in Apache Sling Engine. The engine's query/form parser accepts non-standard percent-escapes, wrong charsets, and continues request processing on such errors.
This issue affects Apache Sling Engine: before 3.0.4.
Users are recommended to upgrade to version 3.0.4, which fixes the issue.
Impacts
Researchers
Vendors
Affected products
Weakness enumeration
CWE-436: Interpretation Conflict
CWE-444: Inconsistent Interpretation of HTTP Requests (\'HTTP Request/Response Smuggling\')
Related identifiers
CVE-2026-103866
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