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Medium 6.5Published Oct 13, 2026
CVE-2026-77816IBM WebSphere Application Server Liberty Improper Certificate Validation
Updated under an hour ago ()
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It affects IBM WebSphere Application Server - Liberty. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.9 administrative client could allow man-in-the-middle attacks. An attacker could exploit this vulnerability to obtain sensitive information.
- CVSS
- 6.5 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N
- Weakness (CWE)
- CWE-295
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- ibm
- NVD analysis
- Awaiting Analysis
- Record last updated
- Oct 14, 2026
- First seen by InfoSec Signals
- Oct 13, 2026
Affected products
IBM WebSphere Application Server - Liberty ibm:websphere_application_server_liberty | from 17.0.0.3 through 26.0.0.9 | CNA record |
References
- https://www.ibm.com/support/pages/node/7291394vendor-advisory, patch
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.