[UPDATE] [high] IBM WebSphere Application Server: Multiple vulnerabilities
An attacker can exploit multiple vulnerabilities in IBM WebSphere Application Server to execute arbitrary code, perform a Denial of Service attack, bypass security measures, disclose information, and escalate privileges.
CSIRTS triage
- What
- An attacker can exploit multiple vulnerabilities in IBM WebSphere Application Server to execute arbitrary code and perform a Denial of Service attack.
- Who is affected
- Deployments of IBM WebSphere Application Server are affected.
- Urgency
- Remediation is urgent due to the high severity and potential for arbitrary code execution.
- Action
- Update to the latest version of IBM WebSphere Application Server.
AI-assisted analysis generated from the source advisory — verify against the original.
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Details
Original advisory: https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-2001
Exploitation outlook
EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.
- Low exploitation riskCVE-2026-108450.47% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 39% of all EPSS-scored CVEs.
- Low exploitation riskCVE-2026-108520.29% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 22% of all EPSS-scored CVEs.
- Low exploitation riskCVE-2026-86460.36% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 30% of all EPSS-scored CVEs.
- Low exploitation riskCVE-2026-88580.26% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 18% of all EPSS-scored CVEs.
- Low exploitation riskCVE-2026-90060.24% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 15% of all EPSS-scored CVEs.
- Low exploitation riskCVE-2026-90710.55% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 44% of all EPSS-scored CVEs.
- Low exploitation riskCVE-2026-90720.41% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 34% of all EPSS-scored CVEs.
- Low exploitation riskCVE-2026-93200.35% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 28% of all EPSS-scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-10845 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-10852 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-8646 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-8858 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-9006 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-9071 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-9072 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-9320 | coverage & exploitation status | NVD · CVE.org |
Same CVEs, other sources
How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.
- unknownexploitedMultiple vulnerabilities in IBM products (August 14, 2026)cert-fr-avis
- unknownMultiple vulnerabilities in IBM products (July 24, 2026)cert-fr-avis
- unknownMultiple vulnerabilities in IBM products (July 3, 2026)cert-fr-avis
- unknownIBM WebSphere Products Multiple Vulnerabilitieshkcert
Recent advisories for IBM WebSphere Application Server
A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.
- high[UPDATE] [hoch] IBM WebSphere Application Server und Application Server Liberty: Mehrere Schwachstellencert-bund · 2026-09-07
- medium[UPDATE] [mittel] IBM WebSphere Application Server: Mehrere Schwachstellen ermöglichen Denial of Servicecert-bund · 2026-09-04
- medium[NEW] [medium] IBM WebSphere Application Server Liberty: Vulnerability allows denial of servicecert-bund · 2026-09-02
- medium[UPDATE] [medium] IBM WebSphere Application Server Liberty: Multiple vulnerabilitiescert-bund · 2026-08-28
- medium[UPDATE] [medium] IBM WebSphere Application Server Liberty: Vulnerability allows bypassing security measurescert-bund · 2026-08-28
- medium[NEW] [medium] IBM WebSphere Application Server: Vulnerability allows bypassing security measurescert-bund · 2026-08-27
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