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VULNERABILITIES

CVE-2026-73051 Details

Description

actix-http versions before 3.12.1 contain an HTTP request smuggling vulnerability in the HTTP/1.1 parser that accepts requests with both Content-Length and Transfer-Encoding: chunked headers. Unauthenticated remote attackers can exploit this through a front-end intermediary to desynchronize backend requests and smuggle malicious HTTP requests to the Actix service.

Metrics

CVSS 3.x Severity and Vector Strings:

No CVSS 3.x data is available for this CVE.

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://github.com/actix/actix-web/security/advisories/GHSA-xhj4-vrgc-hr34 [email protected]
https://www.vulncheck.com/advisories/actix-http-before-http-request-smuggling-via-cl-te [email protected]

Weakness Enumeration

CWE-IDCWE NameSource
CWE-444Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')[email protected]

Affected Products

No affected product data is available for this CVE.

Change History

2 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-73051
NVD Published Date:
Aug 14, 2026
NVD Last Modified:
Sep 24, 2026
Source:
[email protected]
CVE-2026-73051 Details - Not Deferred