CVE-2026-13476
HighIBM Informix Dynamic Server 14.10, 15.0, and 12.10 IBM Informix could allow an unauthenticated user to execute arbitrary commands with service account privileges on the system due to improper validation of user supplied input.
Published Aug 12, 2026 · Updated Aug 18, 2026 · Also known as EUVD-2026-57627, GHSA-2g57-mxfj-4j65
Key Facts
Patch in the next maintenance window- CVE-2026-13476 is a high-severity vulnerability (CVSS 7.3 v3.1) affecting Informix Dynamic Server (Ibm).
- It is not listed in any known-exploited vulnerabilities catalog. No public exploit code is known.
- EPSS estimates a 0.4% probability of exploitation in the next 30 days.
- Fixed versions are available, including Informix Dynamic Server 15.0.1.13.
- Brandefense priority: patch in the next maintenance window, because of its high severity, although no exploitation is known.
CVSS v3.1
7.3
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
EPSS (30-day exploit likelihood)
0.4%
Exploited in the wild
No known
Not in a known-exploited catalog
Public exploit code
None known
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Description
IBM Informix Dynamic Server 14.10, 15.0, and 12.10 could allow an unauthenticated user to execute arbitrary commands with service account privileges on the system due to improper validation of user supplied input.
Affected Products
8 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Informix Dynamic ServerIbm | 12.10, 12.10.0, 14.10, 14.10.0, 15.0, 15.0.0 | 15.0.1.13 |
Patched Releases
Informix Dynamic Server
15.0.1.13
Timeline
Publicly disclosed
Aug 12, 2026
Last updated
Aug 18, 2026
Weakness Type
- CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
References
FAQ
Common Questions.
IBM Informix Dynamic Server 14.10, 15.0, and 12.10 could allow an unauthenticated user to execute arbitrary commands with service account privileges on the system due to improper validation of user supplied input.
Affected: Informix Dynamic Server (Ibm) versions 12.10, 12.10.0, 14.10, 14.10.0, 15.0, 15.0.0. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
No public exploit code is known.
Fixed versions are available, including Informix Dynamic Server 15.0.1.13.
Brandefense priority: patch in the next maintenance window, because of its high severity, although no exploitation is known.
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