CVE-2026-29963 — HIGH (7.5)

Vulnerability 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.

CVSS Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

NONE

Availability

NONE

Affected Products

Vendor	Product	Versions
Hsclabs	Mailinspector	5.3.3-7

Related Weaknesses (CWE)

CWE-22

References

https://github.com/sql3t0/cve-disclosuresThird Party Advisory
https://github.com/sql3t0/cve-disclosures/blob/main/02_-_CVE-2026-29963_LFI%2BPaThird Party Advisory
https://hsclabs.com/pt-br/mailinspector/Product

FAQ

What is CVE-2026-29963?

CVE-2026-29963 is a vulnerability with a CVSS score of 7.5 (HIGH). 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 a...

How severe is CVE-2026-29963?

CVE-2026-29963 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-29963?

Check the references section above for vendor advisories and patch information. Affected products include: Hsclabs Mailinspector.