CVE-2026-17186
CRITICAL 9.9IBM Db2 Mirror for i 7.4, 7.5, and 7.6 could allow a remote attacker to execute arbitrary CL commands due to improper neutralization of special elements in a command.
ELEVATED IMPACT
Severe if exploited (CVSS 9.9), but no known exploitation and low modeled probability. Patch on a normal cadence.
Exploitation likelihood
0.5%chance of exploitation in 30 days · 41st percentile
○ In CISA KEV
○ Public exploit / PoC
Impact if exploited
9.9CVSS 3.1 · CRITICAL
- ConfidentialityLow
- IntegrityLow
- AvailabilityHigh
What an attacker needs
- ✓Access: Reachable over the network — no local access needed
- ✓Privileges: No account or privileges required
- ✓User interaction: No user interaction needed
- ✓Complexity: No special conditions — reliably repeatable
✓ lowers the bar for an attacker · ⚠ raises it
Proof of concept & exploit code
- github-search Search GitHub for public PoC repos
Test against your own equipment
curl -s https://vulnpedia.com/cve/CVE-2026-17186/poc.jsonMachine-readable PoC index for this CVE (for automation).Listed for defensive triage, patch verification, and authorized testing on systems you own. Machine-readable: /cve/CVE-2026-17186/poc.json
Weakness (CWE)
- CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:H
Known Affected Software Configurations
| Vendor | Product | Version range |
|---|---|---|
| Ibm | Db2 Mirror For I | ≥ 7.4 and ≤ 7.6 |
All CVSS metrics
- CRITICAL 9.9 v3.1 · CNA Primary
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:H - CRITICAL 9.9 v3.1 · NVD Secondary
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:H - CRITICAL 9.8 v3.1 · NVD Primary
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H