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CVE-2026-18963 is a critical flaw in the reset-credentials flow of the keycloak-services component in Red Hat Build of Keycloak. The vulnerability allows an unauthenticated remote attacker to trigger and complete the password reset process for arbitrary users without the intended email verification step being completed. In the vulnerable flow, the attacker can bypass the requirement for the victim to click the password-reset confirmation link and directly set new credentials on the target account. The issue affects the identity and access management functionality provided by keycloak-services and results in a broken password recovery mechanism that fails to enforce proof of control over the registered email address.
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What an attacker gets, and what they’ve been doing with it.
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Patch, then assume compromise.
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No public exploit code observed for this vulnerability.
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
11 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A critical improper password reset vulnerability in the keycloak-services component of Red Hat build of Keycloak that allows an unauthenticated remote attacker to reset any user's password without requiring confirmation via the verification email, leading to full account takeover.
An authentication/account takeover vulnerability in the reset-credentials flow of Keycloak's keycloak-services component that allows an unauthenticated attacker to bypass the required email verification step in password reset and set new credentials for arbitrary users.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.