CVE-2026-34265: CWE-787: Out-of-bounds Write in SAP_SE SAP NetWeaver and ABAP Platform
CVE-2026-34265 is a critical out-of-bounds write vulnerability in SAP NetWeaver Application Server ABAP. It allows an unauthenticated attacker to exploit logical errors in the DIAG protocol parsing, causing memory corruption. This can lead to disclosure of sensitive information, system crashes, and impacts confidentiality, integrity, and availability.
AI Analysis
Technical Summary
This vulnerability (CWE-787) in SAP NetWeaver and ABAP Platform arises from improper handling of the DIAG protocol parsing, enabling an unauthenticated attacker to perform out-of-bounds writes. The memory corruption caused by this flaw could disclose sensitive system information or crash the system, severely affecting the application's confidentiality, integrity, and availability. The CVSS 3.1 base score is 9.8, indicating critical severity. Multiple specific versions of SAP NetWeaver and ABAP Platform are affected, including 7.22EXT, 7.53, 7.54, 7.77, 7.89, 7.93, 8.04, 9.16, 9.18, and 9.19. No official patch or remediation level has been published yet, and no known exploits are reported in the wild.
Potential Impact
Successful exploitation can lead to memory corruption resulting in disclosure of sensitive system information and system crashes. This impacts confidentiality, integrity, and availability of the SAP NetWeaver and ABAP Platform, making the vulnerability critical.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no official fix or remediation level is provided, monitor SAP's security advisories closely for updates. Until a patch is available, restrict access to vulnerable SAP NetWeaver and ABAP Platform instances and apply any recommended temporary mitigations from SAP if available.
CVE-2026-34265: CWE-787: Out-of-bounds Write in SAP_SE SAP NetWeaver and ABAP Platform
Description
CVE-2026-34265 is a critical out-of-bounds write vulnerability in SAP NetWeaver Application Server ABAP. It allows an unauthenticated attacker to exploit logical errors in the DIAG protocol parsing, causing memory corruption. This can lead to disclosure of sensitive information, system crashes, and impacts confidentiality, integrity, and availability.
CVSS v3.1
Score 9.8critical
Affected software
pkg:github/sap_se/SAP_NetWeaver_and_ABAP_PlatformRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CWE-787) in SAP NetWeaver and ABAP Platform arises from improper handling of the DIAG protocol parsing, enabling an unauthenticated attacker to perform out-of-bounds writes. The memory corruption caused by this flaw could disclose sensitive system information or crash the system, severely affecting the application's confidentiality, integrity, and availability. The CVSS 3.1 base score is 9.8, indicating critical severity. Multiple specific versions of SAP NetWeaver and ABAP Platform are affected, including 7.22EXT, 7.53, 7.54, 7.77, 7.89, 7.93, 8.04, 9.16, 9.18, and 9.19. No official patch or remediation level has been published yet, and no known exploits are reported in the wild.
Potential Impact
Successful exploitation can lead to memory corruption resulting in disclosure of sensitive system information and system crashes. This impacts confidentiality, integrity, and availability of the SAP NetWeaver and ABAP Platform, making the vulnerability critical.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no official fix or remediation level is provided, monitor SAP's security advisories closely for updates. Until a patch is available, restrict access to vulnerable SAP NetWeaver and ABAP Platform instances and apply any recommended temporary mitigations from SAP if available.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- sap
- Date Reserved
- 2026-03-26T19:02:45.983Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a7a6fdabf8831d539db4ab9
Added to database: 08/11/2026, 00:42:02 UTC
Last enriched: 08/11/2026, 00:56:47 UTC
Last updated: 08/11/2026, 01:41:04 UTC
Views: 2
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