High severity · published Oct 20, 2026
CVE-2026-93888
IBM Sterling Connect:Direct for Unix Buffer Overflow
7.8
CVSS
0.2%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 11% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SC
Sterling Connect Direct for Unix · IBM
6.4.0.0 through 6.4.0.6; 6.3.0.0 through 6.3.0.7 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-93888
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-93888
www.ibm.com
https://www.ibm.com/support/pages/node/7292127
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