What is CVE-2026-58451?

CVE-2026-58451 is a medium-severity vulnerability in Horde Imp, classified under Path Traversal. CVSS score: 6.5/10. Published 2026-07-01.

How severe is CVE-2026-58451?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Path Traversal in Horde Imp

CVE-2026-58451

Horde IMP before 7.0.1 contains a path traversal vulnerability in lib/Compose.php that allows authenticated attackers to read arbitrary files from the server filesystem by embedding traversal sequences after a CKEditor path prefix in img s…

Vulnerability class: Path Traversal (Directory Traversal)

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

Affected products

Horde Imp — versions 0

Weakness classification (CWE)

CWE-22 — Path Traversal

References

disclosure@vulncheck.com (release-notes)
disclosure@vulncheck.com (issue-tracking)
disclosure@vulncheck.com (patch)
disclosure@vulncheck.com (product)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2026-58451?: CVE-2026-58451 is a medium-severity vulnerability in Horde Imp, classified under Path Traversal. CVSS score: 6.5/10. Published 2026-07-01.
How severe is CVE-2026-58451?: Medium severity. CVSS v3 base score is 6.5 out of 10.