CVE-2026-29963CWE-22path-traversal

CVE-2026-29963

High · published May 18, 2026

CVSS v3.1
7.5
EPSS
3%
Percentile
87.3
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
7.5 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CVSS v4.0
Not supplied
EPSS
0.03004 · 87.3th percentile
Weakness
CWE-22 · Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Published
2026-05-18T22:17Z
Affected products (1)
ProductVersionsFixed in
hsclabs/mailinspectorall versions—
References (3)
https://github.com/sql3t0/cve-disclosures · [email protected]https://github.com/sql3t0/cve-disclosures/blob/main/02_-_CVE-2026-29963_LFI%2BPath_Traversal.md · [email protected]https://hsclabs.com/pt-br/mailinspector/ · [email protected]
EPSS history
Timeline
  • 18 MAY 00:00Z
    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
    cvelistv5