CVE-2026-57834

Summary: Apache Traffic Server is affected by a vulnerability where request smuggling is possible when chunked messages are malformed. This affects versions 8.0.0–8.1.9, 9.0.0–9.2.14, and 10.0.0–10.1.3. The issue is fixed in 9.2.15 and 10.1.4. Impact indicators in the sources show high severity (...

CVE-2026-66752

tiny-http through 0.12.0 contains an HTTP request smuggling vulnerability that allows remote attackers to desynchronize request framing by sending a Transfer-Encoding header with any value, including non-chunked codings, which causes the library to unconditionally apply chunk-decoding and discard...

EUVD-2026-49881

tiny-http through 0.12.0 contains an HTTP request smuggling vulnerability that allows remote attackers to desynchronize request framing by sending a Transfer-Encoding header with any value, including non-chunked codings, which causes the library to unconditionally apply chunk-decoding and discard...

CVE-2026-66752

CVE-2026-66752 affects tiny-http up to version 0.12.0. The vulnerability stems from HTTP request handling where Transfer-Encoding is parsed inconsistently, causing the library to unconditionally apply chunk-decoding while Content-Length may be ignored. This mismatch between tiny_http’s parsing an...

CVE-2025-65114

CVE-2025-65114 affects Apache Traffic Server where malformed chunked messages enable HTTP request smuggling. Affected versions: 9.0.0–9.2.12 and 10.0.0–10.1.1. The issue is mitigated by upgrading to 9.2.13 or 10.1.2, which include the fix for the chunked encoding parser and related handling (Fedo...

CVE-2025-65114 Apache Traffic Server: Malformed chunked message body allows request smuggling

Apache Traffic Server allows request smuggling if chunked messages are malformed. This issue affects Apache Traffic Server: from 9.0.0 through 9.2.12, from 10.0.0 through 10.1.1. Users are recommended to upgrade to version 9.2.13 or 10.1.2, which fix the issue...

CVE-2025-66373

Akamai Ghost on Akamai CDN edge servers before 2025-11-17 has a chunked request body processing error that can result in HTTP request smuggling. When Akamai Ghost receives an invalid chunked body that includes a chunk size different from the actual size of the following chunk data, under certain...

Astra Linux – Vulnerability in python-h11

h11 is a Python implementation of HTTP/1.1. Prior to version 0.16.0, a lack of strict parsing of line terminators in chunked-coded message bodies in h11 could lead to request smuggling vulnerabilities under certain conditions. This issue has been fixed in version 0.16.0. Since exploiting this...

Golang 1.24 < 1.24.2

The version of Golang running on the remote host is 1.24 prior to 1.24.2. It is, therefore, is affected by multiple vulnerabilities: - Unlike request headers, where we are allowed to leniently accept a bare LF in place of a CRLF, chunked bodies must always use CRLF line terminators. We were alrea...

CVE-2021-22960

The parse function in llhttp 2.1.4 and 6.0.6. ignores chunk extensions when parsing the body of chunked requests. This leads to HTTP Request Smuggling HRS under certain conditions...

HTTP Request Smuggling

Overview llhttp is a set of Ruby bindings for llhttp. Affected versions of this package are vulnerable to HTTP Request Smuggling via llhttp. The parse ignores chunk extensions when parsing the body of chunked requests. Remediation There is no fixed version for llhttp. References - GitHub Commit -...