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CVE-2026-57817

nvd nist
Published: Aug 6, 2026Modified: Aug 7, 2026

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8.1
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Exploitability: 2.2 / Impact: 5.9
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)

Description

The OpenID Connect Core 1.0 specification mandates that the RP MUST validate the `c_hash` parameter when operating in the Hybrid Flow. If an Apache CXF RP is integrated with a non-compliant or misconfigured Identity Provider (IdP) that omits the `c_hash`, the RP becomes vulnerable to Authorization Code Substitution/Injection attacks. Users are recommended to upgrade to versions 4.2.3 or 4.1.8 or 3.6.12, which fix this issue.

Affected (3)

Products: Apache: Cxf
Apache
1 product
Cxf
Configuration A
3 vulnerable
Vulnerable SoftwareAffected Versions
Apache
Cxf
Before 3.6.12
Cxf
From 4.0.0 to 4.1.8
Cxf
From 4.2.0 to 4.2.3

Related CWEs

CWE-20
Improper Input Validation
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

References (2)

Source: security@apache.org
Mailing ListVendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108

Timeline

No history available yet.