CVE-2026-29963

High

Description

HSC MailInspector 5.3.3-7 has a Path Traversal vulnerability due to improper validation of user-supplied input in the /tap/dw.php endpoint. The text parameter is used to construct file paths without adequate normalization or restriction to a safe base directory. A remote attacker can exploit this flaw to access arbitrary files on the underlying operating system, resulting in unauthorized disclosure of sensitive information.

SeverityHigh
CVSS7.5
Exploit probability—
ProductHsclabs Mailinspector
PublishedMay 18, 2026
First seenMay 18, 2026

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
hsclabs mailinspector5.3.3-7—

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