What is CVE-2025-11466?

CVE-2025-11466 is a medium-severity vulnerability in Allegra, classified under Path Traversal. CVSS score: 4.9/10. Published 2025-10-29.

How severe is CVE-2025-11466?

Medium severity. CVSS v3 base score is 4.9 out of 10.

Path Traversal in Allegra

CVE-2025-11466

Allegra DatabaseBackupBL Directory Traversal Information Disclosure Vulnerability. This vulnerability allows remote attackers to disclose sensitive information on affected installations of Allegra. Authentication is required to exploit this vulnerability. The specific flaw exists within the DatabaseBackupBL class. The issue results from the lack of proper validation of a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to disclose information in the context of the service account. Was ZDI-CAN-27136.

Vulnerability class: Path Traversal (Directory Traversal)

EPSS: 0.019 (77.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.9 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N.

Affected products

Allegra — versions 8.1.3.32

Weakness classification (CWE)

CWE-22 — Path Traversal

References

zdi-disclosures@trendmicro.com (x_research-advisory)
zdi-disclosures@trendmicro.com (vendor-advisory)

Frequently asked questions

What is CVE-2025-11466?: CVE-2025-11466 is a medium-severity vulnerability in Allegra, classified under Path Traversal. CVSS score: 4.9/10. Published 2025-10-29.
How severe is CVE-2025-11466?: Medium severity. CVSS v3 base score is 4.9 out of 10.