CVE-2026-18838 json
Multiple Vulnerabilities in IBM API Connect
published 2026-11-07 2 d ago modified 2026-11-07 2 d ago also EUVD-2026-118795
- cvss
- 9.4
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.7%
- EPSS 0.7% chance of exploitation in 30 days, percentile 52%
- public exploits
- 0
- none known
Summary
IBM API Connect 12.1.0.0 through 12.1.1.2 could allow a remote attacker to obtain sensitive information and modify API configurations due to improper authentication. Identity information supplied in requests is not sufficiently verified, which could allow a caller to impersonate another user.
Patch / fix
- ibm.com/support/pages/node/7295635 advisory
Exploit prediction
0.67% chance of exploitation in the next 30 days, higher than 52% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 9.4 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L |
| CNA | 3.1 | 9.4 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L |
Affected products
- IBM API Connect
Classification
- Weakness
-
- CWE-290 Authentication Bypass by Spoofing
References
-
ibm.com
/support/pages/node/7295635
vendor-advisory, patch
Sources
- CVE List CVE-2026-18838
- NVD CVE-2026-18838
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