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CVE-2026-17190

Multiple Vulnerabilities in IBM API Connect

IBM API Connect 10.0.8.0 through 10.0.8.12 and 12.1.0.0 through 12.1.1.2 could allow a remote authenticated attacker to execute arbitrary JavaScript due to cross-site scripting. HTML content supplied by a provider is not sufficiently sanitized before it is displayed, which could allow script content to run in the user's browser.

CVSS 3.1 · 8.7 High EPSS < 1% KEV · Not listed
Vendors
Ibm
Products
Api Connect
CVE-2026-17146

Multiple Vulnerabilities in IBM API Connect

IBM API Connect 10.0.8.0 through 10.0.8.12 and 12.1.0.0 through 12.1.1.2 could allow a remote authenticated attacker to execute arbitrary JavaScript and obtain sensitive information due to improper input validation.

CVSS 3.1 · 9.9 Critical EPSS < 1% KEV · Not listed
Vendors
Ibm
Products
Api Connect
CVE-2026-17062

Multiple Vulnerabilities in IBM API Connect

IBM API Connect 10.0.8.0 through 10.0.8.12 and 12.1.0.0 through 12.1.1.2 could allow a remote authenticated attacker to modify internal requests due to improper neutralization of argument delimiters. Special characters in user-supplied input are not handled safely, which could allow additional parameters to be added to a request made by the server.

CVSS 3.1 · 2.7 Low EPSS < 1% KEV · Not listed
Vendors
Ibm
Products
Api Connect
CVE-2026-16884

Multiple Vulnerabilities in IBM API Connect

IBM API Connect 12.1.0.0 through 12.1.1.2 could allow a remote attacker to obtain sensitive information due to an XML external entity (XXE) injection.

CVSS 3.1 · 9.9 Critical EPSS < 1% KEV · Not listed
Vendors
Ibm
Products
Api Connect
CVE-2026-108178

Multiple Vulnerabilities in IBM API Connect

IBM API Connect 10.0.8.0 through 10.0.8.12 and 12.1.0.0 through 12.1.1.2 could allow a token to be accepted that should be rejected due to an improperly implemented security check. Under certain conditions, token validation is incomplete, so a token may be accepted for a purpose it was not intended for.

CVSS 3.1 · 4.2 Medium EPSS < 1% KEV · Not listed
Vendors
Ibm
Products
Api Connect
CVE-2026-17339

Multiple Vulnerabilities in IBM API Connect

IBM API Connect 12.1.0.0 through 12.1.1.2 could allow a remote authenticated attacker to access or delete resources belonging to other tenants due to path traversal.

CVSS 3.1 · 9.1 Critical EPSS < 1% KEV · Not listed
Vendors
Ibm
Products
Api Connect
CVE-2026-17321

Multiple Vulnerabilities in IBM API Connect

IBM API Connect 12.1.0.0 through 12.1.1.2 could allow a remote authenticated attacker to delete or overwrite arbitrary control-plane assets due to an insecure direct object reference.

CVSS 3.1 · 8.1 High EPSS < 1% KEV · Not listed
Vendors
Ibm
Products
Api Connect
CVE-2026-17155

Multiple Vulnerabilities in IBM API Connect

IBM API Connect 12.1.0.0 through 12.1.1.2 could allow a remote authenticated attacker to execute arbitrary scripts due to improper neutralization of user-controlled input.

CVSS 3.1 · 5.4 Medium EPSS < 1% KEV · Not listed
Vendors
Ibm
Products
Api Connect
CVE-2026-16920

Multiple Vulnerabilities in IBM API Connect

IBM API Connect 12.1.0.0 through 12.1.1.2 could allow a remote authenticated attacker to bypass security restrictions due to a confused deputy vulnerability.

CVSS 3.1 · 9.9 Critical EPSS < 1% KEV · Not listed
Vendors
Ibm
Products
Api Connect
CVE-2026-17336

Multiple Vulnerabilities in IBM API Connect

IBM API Connect 12.1.0.0 through 12.1.1.2 could allow a remote authenticated attacker to execute arbitrary SQL commands due to improper neutralization of special elements used in an SQL command.

CVSS 3.1 · 9.9 Critical EPSS < 1% KEV · Not listed
Vendors
Ibm
Products
Api Connect
CVE-2026-17319

Multiple Vulnerabilities in IBM API Connect

IBM API Connect 12.1.0.0 through 12.1.1.2 could allow a remote authenticated attacker to modify tool configuration and cause a denial of service due to improper authorization. Information supplied by the client is relied on when deciding what a user is allowed to do, which could allow unauthorized changes that disrupt service.

CVSS 3.1 · 7.1 High EPSS < 1% KEV · Not listed
Vendors
Ibm
Products
Api Connect
CVE-2026-17311

Multiple Vulnerabilities in IBM API Connect

IBM API Connect 12.1.0.0 through 12.1.1.2 could allow a remote authenticated attacker to modify application API subscriptions due to broken object-level authorization.

CVSS 3.1 · 7.1 High EPSS < 1% KEV · Not listed
Vendors
Ibm
Products
Api Connect
CVE-2026-17066

Multiple Vulnerabilities in IBM API Connect

IBM API Connect 12.1.0.0 through 12.1.1.2 could allow a remote authenticated attacker to obtain sensitive information and modify or delete data belonging to other tenants due to missing authorization.

CVSS 3.1 · 9.1 Critical EPSS < 1% KEV · Not listed
Vendors
Ibm
Products
Api Connect
CVE-2026-17049

Multiple Vulnerabilities in IBM API Connect

IBM API Connect 12.1.0.0 through 12.1.1.2 could allow a remote authenticated attacker to obtain sensitive information and modify arbitrary documents due to authorization bypass through user-controlled keys.

CVSS 3.1 · 9.9 Critical EPSS < 1% KEV · Not listed
Vendors
Ibm
Products
Api Connect
CVE-2026-17355

Multiple Vulnerabilities in IBM API Connect

IBM API Connect 12.1.0.0 through 12.1.1.2 could allow a remote authenticated attacker to obtain sensitive information from internal network resources due to server-side request forgery. Destination checks on outbound requests can be bypassed, which could allow the server to reach internal systems that should be blocked.

CVSS 3.1 · 8.2 High EPSS < 1% KEV · Not listed
Vendors
Ibm
Products
Api Connect
CVE-2026-17352

Multiple Vulnerabilities in IBM API Connect

IBM API Connect 12.1.0.0 through 12.1.1.2 could allow a remote authenticated attacker to obtain sensitive information due to server-side request forgery.

CVSS 3.1 · 8.5 High EPSS < 1% KEV · Not listed
Vendors
Ibm
Products
Api Connect
CVE-2026-17334

Multiple Vulnerabilities in IBM API Connect

IBM API Connect 12.1.0.0 through 12.1.1.2 could allow a remote authenticated attacker to obtain sensitive information due to improper authorization via user-controlled keys.

CVSS 3.1 · 8.5 High EPSS < 1% KEV · Not listed
Vendors
Ibm
Products
Api Connect
CVE-2026-17330

Multiple Vulnerabilities in IBM API Connect

IBM API Connect 12.1.0.0 through 12.1.1.2 could allow a remote authenticated attacker to obtain sensitive information due to server-side request forgery.

CVSS 3.1 · 8.5 High EPSS < 1% KEV · Not listed
Vendors
Ibm
Products
Api Connect
CVE-2026-17325

Multiple Vulnerabilities in IBM API Connect

IBM API Connect 12.1.0.0 through 12.1.1.2 could allow a remote authenticated attacker to obtain sensitive information due to improper validation of user-supplied URLs.

CVSS 3.1 · 8.5 High EPSS < 1% KEV · Not listed
Vendors
Ibm
Products
Api Connect
CVE-2026-17304

Multiple Vulnerabilities in IBM API Connect

IBM API Connect 12.1.0.0 through 12.1.1.2 could allow a remote authenticated attacker to obtain sensitive information due to improper input validation. Locations supplied when service definitions are imported are not sufficiently validated, which could allow the server to retrieve content it should not access.

CVSS 3.1 · 6.4 Medium EPSS < 1% KEV · Not listed
Vendors
Ibm
Products
Api Connect