SAP NetWeaver Application Server Java 7.50 response splitting

CVSS Meta Temp Score
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CTI Interest Score
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3.0$0-$5k0.00

Summaryinfo

A vulnerability described as problematic has been identified in SAP NetWeaver Application Server Java 7.50. This issue affects some unknown processing. Such manipulation leads to response splitting. This vulnerability is referenced as CVE-2026-23686. It is possible to launch the attack remotely. No exploit is available. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability was found in SAP NetWeaver Application Server Java 7.50. It has been rated as problematic. Affected by this issue is an unknown code block. The manipulation with an unknown input leads to a response splitting vulnerability. Using CWE to declare the problem leads to CWE-113. The product receives data from an HTTP agent/component (e.g., web server, proxy, browser, etc.), but it does not neutralize or incorrectly neutralizes CR and LF characters before the data is included in outgoing HTTP headers. Impacted is integrity. CVE summarizes:

Due to a CRLF Injection vulnerability in SAP NetWeaver Application Server Java, an authenticated attacker with administrative access could submit specially crafted content to the application. If processed by the application, this content enables injection of untrusted entries into generated configuration, allowing manipulation of application-controlled settings. Successful exploitation leads to a low impact on integrity, while confidentiality and availability remain unaffected.

The advisory is shared for download at me.sap.com. This vulnerability is handled as CVE-2026-23686 since 01/14/2026. The exploitation is known to be easy. The attack may be launched remotely. The exploitation requires an enhanced level of successful authentication. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 02/18/2026).

The vulnerability scanner Nessus provides a plugin with the ID 298965 (SAP NetWeaver AS Java CRLF Injection (3673213)), which helps to determine the existence of the flaw in a target environment.

Applying a patch is able to eliminate this problem.

The vulnerability is also documented in the vulnerability database at Tenable (298965). Once again VulDB remains the best source for vulnerability data.

Productinfo

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.1
VulDB Meta Temp Score: 3.0

VulDB Base Score: 2.4
VulDB Temp Score: 2.3
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 3.4
NVD Vector: 🔒

CNA Base Score: 3.4
CNA Vector (sap): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Response splitting
CWE: CWE-113 / CWE-93 / CWE-74
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Nessus ID: 298965
Nessus Name: SAP NetWeaver AS Java CRLF Injection (3673213)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔒

Timelineinfo

01/14/2026 CVE reserved
02/10/2026 +27 days Advisory disclosed
02/10/2026 +0 days VulDB entry created
02/18/2026 +8 days VulDB entry last update

Sourcesinfo

Vendor: sap.com

Advisory: me.sap.com
Status: Confirmed

CVE: CVE-2026-23686 (🔒)
GCVE (CVE): GCVE-0-2026-23686
GCVE (VulDB): GCVE-100-345140
scip Labs: https://www.scip.ch/en/?labs.20150716

Entryinfo

Created: 02/10/2026 08:00
Updated: 02/18/2026 03:51
Changes: 02/10/2026 08:00 (62), 02/14/2026 18:48 (2), 02/18/2026 03:51 (12)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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