IBM Sterling Connect Direct for Unix 6.3-6.4 Code Injection in apnotify
CVE-2026-93888 Published on October 20, 2026
IBM Sterling Connect:Direct for Unix Buffer Overflow
IBM Sterling Connect Direct for Unix 6.4.0.0 through 6.4.0.6 and 6.3.0.0 through 6.3.0.7 apnotify utility is vulnerable to a code injection due to insufficient validation of user input.
Vulnerability Analysis
CVE-2026-93888 is exploitable with local system access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to be very high.
Weakness Type
What is a Stack Overflow Vulnerability?
A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).
CVE-2026-93888 has been classified to as a Stack Overflow vulnerability or weakness.
Products Associated with CVE-2026-93888
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Affected Versions
IBM Sterling Connect Direct for Unix:- Version 6.4.0.0, <= 6.4.0.6 is affected.
- Version 6.3.0.0, <= 6.3.0.7 is affected.