What is CVE-2026-29963?

CVE-2026-29963 is a high-severity vulnerability in Hsclabs Mailinspector, classified under Path Traversal. CVSS score: 7.5/10. Published 2026-05-18.

How severe is CVE-2026-29963?

High severity. CVSS v3 base score is 7.5 out of 10.

Path Traversal in Hsclabs Mailinspector

CVE-2026-29963

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…

Vulnerability class: Path Traversal (Directory Traversal)

EPSS: 0.001 (31.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Hsclabs Mailinspector — versions 5.3.3-7
N/a — versions n/a

Weakness classification (CWE)

CWE-22 — Path Traversal

References

cve@mitre.org (Product)
cve@mitre.org (Third Party Advisory)
cve@mitre.org (Third Party Advisory)

Frequently asked questions

What is CVE-2026-29963?: CVE-2026-29963 is a high-severity vulnerability in Hsclabs Mailinspector, classified under Path Traversal. CVSS score: 7.5/10. Published 2026-05-18.
How severe is CVE-2026-29963?: High severity. CVSS v3 base score is 7.5 out of 10.