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CVE-2026-1498 is an LDAP injection vulnerability in WatchGuard Fireware OS affecting exposed authentication or management web interfaces that interact with a connected LDAP authentication server. Insufficient neutralization of user-controlled input in LDAP-related queries may allow a remote unauthenticated attacker to manipulate input fields submitted through the web interface. According to the provided advisory content, successful exploitation can cause the appliance to disclose sensitive information from the connected LDAP server. The issue may also permit authentication as an LDAP user using only a partial identifier when the attacker also possesses that user’s valid passphrase. Affected versions include Fireware OS 12.0 through 12.11.6, 12.5 through 12.5.15, and 2025.1 through 2026.0.
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An LDAP injection vulnerability in WatchGuard Fireware OS authentication interface that can allow remote unauthenticated retrieval of sensitive information from a connected LDAP server, and may enable authentication as an LDAP user with a partial identifier if the attacker also has that user’s valid passphrase.
An LDAP injection vulnerability in WatchGuard Fireware OS authentication interface that can allow remote unauthenticated retrieval of sensitive information from a connected LDAP server, and may enable authentication as an LDAP user with a partial identifier if the attacker also has that user’s valid passphrase.
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.
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Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.