Vulnerability · Published Oct 20, 2026 · Assigned by ibm
CVE-2026-93888IBM Sterling Connect:Direct for Unix Buffer Overflow
High 7.8
In plain English
A high-severity stack buffer overflow in Sterling Connect Direct for Unix from IBM. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 11% of all known vulnerabilities).
Severity (CVSS 3.1)7.8High
Exploit odds (30 days)0.2%top 89.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| IBM | Sterling Connect Direct for Unix | 6.4.0.0 – through 6.4.0.66.3.0.0 – through 6.3.0.7 |
Weakness: CWE-121 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
References
- https://www.ibm.com/support/pages/node/7292127 vendor-advisory, patch