Skip to main content
VulnerabilityPublished

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

0
Compare
Authoritative record:CVE-2026-9322· High 7.5

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

CVSS 3.1 base score
7.5High
How severe the flaw is on the 0–10 CVSS scale.
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:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 30 Jul 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq 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

ProductAffectedFixed in
IBMWebSphere Application ServerAffected
  • =9.0
  • =8.5
Fixed in–
IBMWebSphere Application Server - LibertyAffected
  • >=17.0.0.3 <=26.0.0.7
Fixed in–
Mavencom.ibm.websphere/websphere-application-serverpkg:maven/com.ibm.websphere/websphere-application-serverOther threatsAffected
  • =9.0
  • =8.5
Fixed in–
Mavencom.ibm.websphere/websphere-application-server-libertypkg:maven/com.ibm.websphere/websphere-application-server-libertyOther threatsAffected
  • >=17.0.0.3 <=26.0.0.7
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.

References

Community reviews

Loading reviews…