CVE-2026-58233
HighCVSS 7.6Exploitation Probability (EPSS)
Low risk46th percentile - higher than 46% of all known CVEs
Summary
A vulnerability in the SAP Change and Transport System Attach Tool (ctsattach) allows an authenticated attacker to supply a specially crafted archive file. Processing this file by the application's library triggers insecure deserialization, leading to remote code execution (RCE) on the system.
Risk Assessment
Successful exploitation enables the attacker to execute arbitrary code, extract sensitive information, and gain control over the system and its processes. This has a high impact on data confidentiality and integrity, with a low impact on system availability.
Recommendation
Immediately apply the patch provided by SAP for the ctsattach tool. Until the patch is applied, avoid processing unknown or untrusted archive files.
Related vulnerabilities
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SAP NetWeaver Application Server ABAP and ABAP Platform do not perform necessary authorization checks for certain internal functionality. An attacker with low privileges could invoke the affected functionality to execute arbitrary operating system commands on the underlying host.
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SAP NetWeaver AS ABAP and ABAP Platform do not sufficiently verify incoming authentication assertions under certain configurations. An unauthenticated attacker could submit crafted data to bypass authentication and impersonate arbitrary users, including privileged accounts.
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Original NVD description (English source)
SAP Change and Transport System Attach Tool (ctsattach) allows an authenticated attacker to supply a specially crafted archive file which, when processed by the application�s library, can trigger insecure deserialization and lead to remote code execution (RCE) on the system. Successful exploitation requires a victim to process the malicious archive, enabling the attacker to execute the RCE and extract sensitive information and gain control over the system and its processes. This vulnerability has a high impact on confidentiality and integrity of the data, with a low impact on the availability of the system.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

