Cloudanix VulnDB

CVE-2026-28898

Medium · 5.3

CVSS

5.3

EPSS

0.3%

Published

Jun 25, 2026

CISA due date

—

The record

swift-nio-http2's HTTP/2-to-HTTP/1.1 codec did not validate pseudo-header values for control characters before placing them into the translated HTTP/1.1 message. swift-nio-http2 1.44.1 adds validation of all pseudo-header values (:path, :authority, :scheme, :method, and :status) at both the HPACK header validation layer and the HTTP/2-to-HTTP/1.1 translation layer. Requests or responses containing CR, LF, or NUL bytes in any pseudo-header value are now rejected with a connection error. This issue is fixed in swift-nio-http2 1.44.1.

Affected packages

Ecosystem Package Introduced Fixed

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