CVE-2026-18251 json
IBM i is Affected By Multiple Vulnerabilities in Navigator for i and Digital Certificate Manager for i.
published 2026-09-14 55 d ago modified 2026-09-16 53 d ago also EUVD-2026-77779
- cvss
- 4.3
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.2%
- EPSS 0.2% chance of exploitation in 30 days, percentile 8%
- public exploits
- 0
- none known
Summary
IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote attacker to obtain sensitive information due to improper validation of the WebSocket origin.
Patch / fix
- ibm.com/support/pages/node/7286974 advisory
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 55 d ago
Exploit prediction
0.18% chance of exploitation in the next 30 days, higher than 8% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 4.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N |
| NVD | 3.1 | 4.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N |
Affected products
- IBM i
Classification
- Weakness
-
- CWE-1385 Missing Origin Validation in WebSockets
References
-
ibm.com
/support/pages/node/7286974
vendor-advisory, patch
Sources
- CVE List CVE-2026-18251
- NVD CVE-2026-18251
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