Exim Directory Traversal Vulnerability Enables Privilege Escalation Attacks

A newly disclosed high-severity vulnerability in the Exim mail transfer agent allows local attackers to exploit a directory traversal flaw to escalate privileges on affected systems. Tracked as EXIM-Security-2026-06-22.1 and assigned GCVE-25-2026-07-45-1, the issue impacts Exim versions from 4.88 through 4.99.4 and was publicly announced on July 22, 2026. Exim, widely deployed across Unix-like environments […]

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