IBM
IBM Websphere Extreme Scale: vulnerabilities and CVEs
IBM Websphere Extreme Scale has 23 published vulnerabilities, 4 of them in the last 12 months. 2 are rated critical and 0 are listed by CISA as actively exploited.
CVEs23
Last 12 months4
Critical2
Actively exploited0
All vulnerabilities in the catalogue →⭐ Follow this technology
Latest vulnerabilities
| CVE | Severity | EPSS | Active exploitation | Published | Description |
|---|---|---|---|---|---|
| CVE-2026-9002 | Medium (6.5) | 0.27% | — | Jun 30, 2026 | IBM WebSphere Extreme Scale 8.6.1.0 through 8.6.1.6 could allow an adjacent attacker to cause a denial of service due to improper validation in the XDF decoder. The application processes deeply nested Protocol Buffers… |
| CVE-2026-13773 | Critical (10) | 6.1% | — | Jun 30, 2026 | IBM WebSphere Extreme Scale 8.6.1.0 through 8.6.1.6 Approximately 50 generated CORBA stub classes in WebSphere eXtreme Scale's ogclient.jar call ORB.string_to_object() on an attacker-controlled IOR string during Java… |
| CVE-2026-13772 | Critical (9.9) | 0.51% | — | Jun 30, 2026 | IBM WebSphere Extreme Scale 8.6.1.0 through 8.6.1.6 's Object Query Language engine resolves attacker-supplied class names via Class.forName() and invokes their constructors with no allow-list at three distinct sinks… |
| CVE-2026-13759 | High (8.8) | 0.55% | — | Jun 30, 2026 | IBM WebSphere Extreme Scale 8.6.1.0 through 8.6.1.6 ships three ObjectInputStream subclasses (WsObjectInputStream, ObjectStreamPool$ReusableInputStream, ObjectInputStreamResolver) that install no JEP-290 class filter;… |
| CVE-2020-4336 | Medium (5.3) | 0.98% | — | Jan 6, 2021 | IBM WebSphere eXtreme Scale 8.6.1 stores sensitive information in URL parameters. This may lead to information disclosure if unauthorized parties have access to the URLs via server logs, referrer header or browser… |
| CVE-2019-4115 | Medium (5.4) | 0.67% | — | Sep 30, 2019 | IBM WebSphere eXtreme Scale 8.6 Admin API is vulnerable to cross-site scripting. This vulnerability allows users to embed arbitrary JavaScript code in the Web UI thus altering the intended functionality potentially… |
| CVE-2019-4112 | Low (3.3) | 0.34% | — | Sep 30, 2019 | IBM WebSphere eXtreme Scale 8.6 Admin Console allows web pages to be stored locally which can be read by another user on the system. IBM X-Force ID: 158105. |
| CVE-2019-4109 | Medium (6.1) | 1.3% | — | Sep 30, 2019 | IBM WebSphere eXtreme Scale 8.6 Admin Console could allow a remote attacker to hijack the clicking action of the victim. By persuading a victim to visit a malicious Web site, a remote attacker could exploit this… |
| CVE-2019-4106 | Medium (4.8) | 0.66% | — | Sep 30, 2019 | IBM WebSphere eXtreme Scale 8.6 Admin Console is vulnerable to cross-site scripting. This vulnerability allows users to embed arbitrary JavaScript code in the Web UI thus altering the intended functionality potentially… |
| CVE-2015-7418 | Medium (4.4) | 0.35% | — | Feb 8, 2017 | IBM WebSphere eXtreme Scale and the WebSphere DataPower XC10 Appliance allow some sensitive data to linger in memory instead of being overwritten which could allow a local user with administrator privileges to obtain… |
| CVE-2016-2861 | Low (3.7) | 1.1% | — | Jul 2, 2016 | IBM WebSphere eXtreme Scale 7.1.0 before 7.1.0.3, 7.1.1 before 7.1.1.1, 8.5 before 8.5.0.3, and 8.6 before 8.6.0.8 does not properly encrypt data, which makes it easier for remote attackers to obtain sensitive… |
| CVE-2016-0400 | Medium (6.1) | 2.1% | — | Jul 2, 2016 | CRLF injection vulnerability in IBM WebSphere eXtreme Scale 7.1.0 before 7.1.0.3, 7.1.1 before 7.1.1.1, 8.5 before 8.5.0.3, and 8.6 before 8.6.0.8 allows remote attackers to inject arbitrary HTTP headers and conduct… |
| CVE-2015-2031 | Low (3.5) | 0.95% | — | Oct 4, 2015 | Cross-site scripting (XSS) vulnerability in IBM WebSphere eXtreme Scale 7.1.0 before 7.1.0.3 and 7.1.1 before 7.1.1.1 allows remote authenticated users to inject arbitrary web script or HTML via a crafted URL. |
| CVE-2015-2030 | Medium (5) | 1.4% | — | Oct 4, 2015 | IBM WebSphere eXtreme Scale 7.1.0 before 7.1.0.3 and 7.1.1 before 7.1.1.1 has an improper account-lockout setting, which makes it easier for remote attackers to obtain access via a brute-force attack. |
| CVE-2015-2029 | Medium (4.3) | 1.2% | — | Oct 4, 2015 | Session fixation vulnerability in IBM WebSphere eXtreme Scale 7.1.0 before 7.1.0.3 and 7.1.1 before 7.1.1.1 allows remote attackers to hijack web sessions via a session identifier. |
| CVE-2015-2028 | Medium (4.3) | 1.2% | — | Oct 4, 2015 | CRLF injection vulnerability in IBM WebSphere eXtreme Scale 7.1.0 before 7.1.0.3 and 7.1.1 before 7.1.1.1 allows remote attackers to inject arbitrary HTTP headers and conduct HTTP response splitting attacks via a… |
| CVE-2015-2027 | Low (2.1) | 0.50% | — | Oct 4, 2015 | IBM WebSphere eXtreme Scale 7.1.0 before 7.1.0.3 and 7.1.1 before 7.1.1.1 improperly performs logout actions, which allows remote attackers to bypass intended access restrictions by leveraging an unattended workstation. |
| CVE-2015-2026 | Medium (6) | 0.54% | — | Oct 4, 2015 | Cross-site request forgery (CSRF) vulnerability in IBM WebSphere eXtreme Scale 7.1.0 before 7.1.0.3 and 7.1.1 before 7.1.1.1 allows remote authenticated users to hijack the authentication of arbitrary users for requests… |
| CVE-2015-2025 | Medium (4.3) | 1.2% | — | Oct 4, 2015 | IBM WebSphere eXtreme Scale 7.1.0 before 7.1.0.3 and 7.1.1 before 7.1.1.1 does not set the secure flag for the session cookie in an https session, which makes it easier for remote attackers to capture this cookie by… |
| CVE-2015-4936 | Medium (5) | 1.2% | — | Aug 3, 2015 | Unspecified vulnerability in IBM WebSphere eXtreme Scale 8.6 through 8.6.0.8 allows remote attackers to cause a denial of service via unknown vectors. |
| CVE-2013-5394 | Medium (4.9) | 0.95% | — | Oct 16, 2013 | The monitoring console in IBM WebSphere eXtreme Scale 7.1.0, 7.1.1, 8.5.0, and 8.6.0 allows remote authenticated users to conduct phishing attacks via unspecified vectors. |
| CVE-2013-5393 | High (7.5) | 1.3% | — | Oct 16, 2013 | The monitoring console in IBM WebSphere eXtreme Scale 7.1.0, 7.1.1, 8.5.0, and 8.6.0 does not properly process logoff actions, which has unspecified impact and remote attack vectors. |
| CVE-2013-5390 | Low (3.5) | 0.94% | — | Oct 16, 2013 | Cross-site scripting (XSS) vulnerability in the monitoring console in IBM WebSphere eXtreme Scale 7.1.0, 7.1.1, 8.5.0, and 8.6.0 allows remote authenticated users to inject arbitrary web script or HTML via unspecified… |
🎯 How it gets exploited (ATT&CK techniques)
Number of CVEs of this technology mapped to each exploitation or primary-impact technique.
Other products by IBM
AIX · 551Websphere Application Server · 519DB2 · 355Vios · 237Sterling B2B Integrator · 205I · 203Rational Quality Manager · 202Qradar Security Information AND Event Manager · 192Infosphere Information Server · 189Maximo Asset Management · 182Rational Doors Next Generation · 153Rational Team Concert · 142