Dashboard / CVE-2026-64785

CVE-2026-64785

MEDIUM
MEDIUM Priority: 0.02 BB Relevance: 71/100
Published: 2026-07-23 Modified: 2026-10-24 First seen: 2026-10-29 Status: active

Attack Surface

Network Low Complexity No Auth No Interaction

CVSS Vector Breakdown

AV: Network
AC: Low
PR: None
UI: None
S: Unchanged
C: None
I: Low
A: None

Description

SwiftNIO HTTP/2 was missing validation on inbound HEADERS frames that let CR, LF, NUL, SP and other control characters reach an HTTP/1.1 backend through NIOHTTP2's HTTP/2-to-HTTP/1 codec, enabling HTTP request smuggling or response splitting. This vulnerability is addressed in swift-nio-http2 version 1.45.0.

Weakness Classification (1)

Affected Software (1)

VendorProductVersion
apple swiftnio_http\/2 < 1.45.0

References & Advisories (1)

Bug Bounty Relevance

71 / 100
✓ Network accessible
✓ No authentication
✓ Low complexity
✓ No user interaction

CVSS Score

5.3 / 10.0 v3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

EPSS — Exploitation Probability

0.29%
Raw Score 0.002890
Percentile 21.4%
Date 2026-10-29

EPSS Trend

2026-10-29
0.00289
2026-10-28
0.00289

Intelligence Sources

nvd ref →

External Links