IBM Informix Wire Listener Vulnerable to Unauthenticated Remote Code Execution
Priority LOW 38CWE-78Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- Low · Low · Low
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-78.
Summary
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00426 37th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| IBM | Informix Dynamic Server | 14.10; 15.0; 12.10 | — | No fix listed | CNA |
- Informix Dynamic Server VendorIBM Affected 14.10; 15.0; 12.10 Fixed in — No fix listed CNA
CPE configurations NVD · 11
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:ibm:informix_dynamic_server:*:*:*:*:*:*:*:* | 15.0 to before 15.0.1.13 | Vulnerable | IBM |
| cpe:2.3:a:ibm:informix_dynamic_server:12.10:*:*:*:*:*:*:* | 12.10 | Vulnerable | IBM |
| cpe:2.3:a:ibm:informix_dynamic_server:14.10:*:*:*:*:*:*:* | 14.10 | Vulnerable | IBM |
| cpe:2.3:o:canonical:ubuntu_linux:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Canonical |
| cpe:2.3:o:hp:hp-ux:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Hewlett Packard Enterprise |
| cpe:2.3:o:ibm:aix:-:*:*:*:*:*:*:* | not specified by NVD | Running on | IBM |
| cpe:2.3:o:ibm:linux_on_ibm_z:-:*:*:*:*:*:*:* | not specified by NVD | Running on | IBM |
| cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Linux |
| cpe:2.3:o:novell:suse_linux:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Novell |
| cpe:2.3:o:oracle:solaris:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Oracle |
- cpe:2.3:a:ibm:informix_dynamic_server:*:*:*:*:*:*:*:* Versions 15.0 to before 15.0.1.13 Vulnerable ·IBM
- cpe:2.3:a:ibm:informix_dynamic_server:12.10:*:*:*:*:*:*:* Versions 12.10 Vulnerable ·IBM
- cpe:2.3:a:ibm:informix_dynamic_server:14.10:*:*:*:*:*:*:* Versions 14.10 Vulnerable ·IBM
- cpe:2.3:o:canonical:ubuntu_linux:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Canonical
- cpe:2.3:o:hp:hp-ux:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Hewlett Packard Enterprise
- cpe:2.3:o:ibm:aix:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·IBM
- cpe:2.3:o:ibm:linux_on_ibm_z:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·IBM
- cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Linux
- cpe:2.3:o:novell:suse_linux:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Novell
- cpe:2.3:o:oracle:solaris:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Oracle
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-13476
- 2026-10-03 Alias added: GHSA-2g57-mxfj-4j65
References
More IBM Informix Dynamic Server vulnerabilities
- TI-2009-02627 Integer signedness error in the authentication functionality in librpc.dll in the… CVSS 2.0HIGH 10.0
- TI-2009-02626 Multiple buffer overflows in the authentication functionality in librpc.dll in the… CVSS 2.0HIGH 10.0
- TI-2010-03848 Integer overflow in librpc.dll in portmap.exe (aka the ISM Portmapper service) in ISM… CVSS 2.0HIGH 10.0
- TI-2008-00734 Multiple stack-based and heap-based buffer overflows in the Windows RPC components for… CVSS 2.0HIGH 10.0
- TI-2011-00892 Stack-based buffer overflow in oninit in IBM Informix Dynamic Server (IDS) 11.50 allows… CVSS 2.0HIGH 9.3
- TI-2008-00912 Unspecified vulnerability in IBM Informix Dynamic Server (IDS) 7.x through 11.x allows… CVSS 2.0HIGH 10.0
Sources
- CVE-2026-13476 · CVE Program
- CVE-2026-13476 · NVD
- FIRST EPSS
- GHSA-2g57-mxfj-4j65 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences