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High 7.4
An attacker that holds a token intended for a different purpose can authenticate, because when an OAuth2 token response…
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High 7.5
An unauthenticated attacker can send an IMAP ID command with a very large number of parameters before logging in, which…
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High 7.4
None None None No publicly available exploits are known.
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High 7.5
An unauthenticated attacker can crash the ManageSieve login process by sending a small malformed command before authent…
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High 7.5
An attacker that can send mail to a user can craft a message whose headers contain a very large number of email address…
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High 7.4
When safe filter is used with variable expansion, all following pipelines on the same string are incorrectly interprete…
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High 7.5
Attacker can send a specifically crafted message before authentication that causes managesieve to allocate large amount…
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High 7.4
Doveadm credentials are verified using direct comparison which is susceptible to timing oracle attack. An attacker can …
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High 7.7CVE-2026-24031 Public exploit
Dovecot SQL based authentication can be bypassed when auth_username_chars is cleared by admin. This vulnerability allow…
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High 7.5
ManageSieve AUTHENTICATE command crashes when using literal as SASL initial response. This can be used to crash ManageS…
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High 7.4
When cache is enabled, some passdb/userdb drivers incorrectly cache all users with same cache key, causing wrong cached…
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High 7.5
Very large headers can cause resource exhaustion when parsing message. The message-parser normally reads reasonably siz…
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High 8.8
An issue was discovered in the auth component in Dovecot 2.2 and 2.3 before 2.3.20. When two passdb configuration entri…
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High 7.5
Dovecot before 2.3.15 allows ../ Path Traversal. An attacker with access to the local filesystem can trick OAuth2 authe…