CVE-2026-9322: IBM WebSphere Application Server 9.0, and 8.5 and IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.7 are vulnerable to a denial of
Source GCVE Database
Not known to be exploited · CVSS 7.5 High · patch available : patch WebSphere Application Server soon.
Data as of 29 Oct 2026, 07:15 UTC
- EPSS
- 0.5% chance of exploitation in 30 days – higher than 46% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitation evidence
Disclosed: evidence found.
CVE published 30 Jul 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 29 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| IBMWebSphere Application Server | Affected
| Fixed in– |
| IBMWebSphere Application Server - Liberty | Affected
| Fixed in– |
Mavencom.ibm.websphere/websphere-application-serverpkg:maven/com.ibm.websphere/websphere-application-serverOther threats | Affected
| Fixed in– |
Mavencom.ibm.websphere/websphere-application-server-libertypkg:maven/com.ibm.websphere/websphere-application-server-libertyOther threats | Affected
| Fixed in– |
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
If you cannot patch yet, consider implementing network-level protections such as filtering or rate-limiting suspicious HTTP requests to mitigate potential denial of service attempts.
Description
IBM WebSphere Application Server versions 8.5, 9.0, and Liberty versions 17.0.0.3 through 26.0.0.7 are vulnerable to a denial of service (DoS) attack triggered by a crafted HTTP request. This vulnerability allows an unauthenticated attacker to cause a service disruption without impacting confidentiality or integrity. The vulnerability is identified as CWE-400, indicating resource exhaustion leading to DoS.