Vulnerability · Published Jul 28, 2026 · Assigned by ibm
CVE-2026-14974IBM WebSphere Application Server is affected by cross-site scripting and deserialization vulnerabilities
High 8.1
In plain English
A high-severity unsafe deserialization in WebSphere Application Server from IBM. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 53% of all known vulnerabilities).
Severity (CVSS 3.1)8.1High
Exploit odds (30 days)0.7%top 47.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
IBM WebSphere Application Server 8.5, and 9.0 traditional could allow a remote attacker to execute arbitrary code caused by unsafe deserialization of untrusted data.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| IBM | WebSphere Application Server | 8.59.0 |
Weakness: CWE-502 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
References
- https://www.ibm.com/support/pages/node/7281641 vendor-advisory, patch