Vulnerability · Published Jul 14, 2026 · Assigned by sap
CVE-2026-58233Remote Code Execution vulnerability in SAP Change and Transport System Attach Tool (ctsattach)
High 7.6
In plain English
A high-severity unsafe deserialization in SAP Change and Transport System Attach Tool (ctsattach) from SAP_SE. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 47% of all known vulnerabilities).
Official description
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| SAP_SE | SAP Change and Transport System Attach Tool (ctsattach) | CTS_UPLOAD_CLT 1 |
Weakness: CWE-502 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:L