Detections
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SAP NetWeaver AS Java CRLF Injection (3673213)

low Nessus Plugin ID 298965

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Synopsis

The remote SAP NetWeaver AS Java server is affected by a CRLF injection vulnerability.

Description

The version of SAP NetWeaver Application Server Java detected on the remote host is affected by a CRLF injection vulnerability as disclosed in the SAP Security Patch Day February 2026:

 - SAP NetWeaver Application Server Java is affected by a CRLF injection vulnerability. An attacker could exploit this to inject malicious HTTP headers, potentially leading to cache poisoning, cross-site scripting, or other attacks. (CVE-2026-23686)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Apply the appropriate patch according to the vendor advisory.

See Also

https://me.sap.com/notes/3673213

Plugin Details

Severity: Low

ID: 298965

File Name: sap_netweaver_as_java_3673213.nasl

Version: 1.3

Type: remote

Family: Web Servers

Published: 2/13/2026

Updated: 2/16/2026

Configuration: Enable paranoid mode

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 2.4

CVSS v2

Risk Factor: Low

Base Score: 3.3

Temporal Score: 2.4

Vector: CVSS2#AV:N/AC:L/Au:M/C:N/I:P/A:N

CVSS Score Source: CVE-2026-23686

CVSS v3

Risk Factor: Low

Base Score: 3.4

Temporal Score: 3

Vector: CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:C/C:N/I:L/A:N

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/a:sap:netweaver_application_server

Required KB Items: installed_sw/SAP Netweaver Application Server (AS), Settings/ParanoidReport

Exploit Ease: No known exploits are available

Patch Publication Date: 2/10/2026

Vulnerability Publication Date: 2/10/2026

Reference Information

CVE: CVE-2026-23686

IAVA: 2026-A-0136