CVE WatchSep 14, 2026

CVE-2026-15412

IBM WebSphere Application Server 9.0, and 8.5 and IBM WebSphere Application Server - Liberty could allow a remote attacker to conduct phishi

CVSS

6.5

Medium

EPSS

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KEV

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Exploit Today

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0-100

Published: Sep 14, 2026 · Last modified: Sep 14, 2026 · CWE-601

EPSS · 30d

Not enough EPSS history yet.

Technical description

IBM WebSphere Application Server 9.0, and 8.5 and IBM WebSphere Application Server - Liberty could allow a remote attacker to conduct phishing attacks, using an open redirect attack. By persuading a victim to visit a specially crafted Web site, a remote attacker could exploit this vulnerability to spoof the URL displayed to redirect a user to a malicious Web site that would appear to be trusted. This could allow the attacker to obtain highly sensitive information or conduct further attacks against the victim.

Official references

www.ibm.comhttps://www.ibm.com/support/pages/node/7286610

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CVECVSSEPSSKEVRExploitTitleMod.

CVE-2026-917726.1 MED

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———Halo through 2.26.1 contains an open redirect vulnerability in the anonymous thumbnail endpoint that fails to validate the uri query parameter. Attackers can craft malicious links on the trusted Halo domain that redirect visitors to arbitrary external sites, enabling phishing attacks and abuse of redirect-based trust relationships.9h CVE-2026-13277—

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———IBM Verify Identity Access could allow a remote attacker to conduct phishing attacks, using an open redirect attack. By persuading a victim to visit a specially crafted Web site, a remote attacker could exploit this vulnerability to spoof the URL displayed to redirect a user to a malicious Web site that would appear to be trusted. This could allow the attacker to obtain highly sensitive information or conduct further attacks against the victim.14h CVE-2026-129856.8 MED

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———Mattermost versions 11.9.x <= 11.9.0, 11.8.x <= 11.8.4, 11.7.x <= 11.7.7 Mattermost failed to validate Dynamic Client Registration redirect URIs by URL component (matching glob patterns against the raw URI string instead) which allows a remote unauthenticated attacker to register an OAuth client with an attacker-controlled callback host that bypasses the configured redirect URI allowlist via a crafted redirect URI that places an allowlisted host/path suffix inside the query string.. Mattermost Advisory ID: MMSA-2026-007007h CVE-2026-731916.1 MED

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