What is CVE-2025-22926?

CVE-2025-22926 is a critical-severity vulnerability in Os4ed Opensis, classified under Path Traversal. CVSS score: 9.8/10. Published 2025-04-03.

How severe is CVE-2025-22926?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Path Traversal in Os4ed Opensis

CVE-2025-22926

An issue in OS4ED openSIS v8.0 through v9.1 allows attackers to execute a directory traversal by sending a crafted POST request to /Modules.php?modname=messaging/Inbox.php&modfunc=save&filename.

Vulnerability class: Path Traversal (Directory Traversal)

EPSS: 0.009 (55.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Os4ed Opensis
N/a — versions n/a

Weakness classification (CWE)

CWE-22 — Path Traversal

References

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

Frequently asked questions

What is CVE-2025-22926?: CVE-2025-22926 is a critical-severity vulnerability in Os4ed Opensis, classified under Path Traversal. CVSS score: 9.8/10. Published 2025-04-03.
How severe is CVE-2025-22926?: Critical severity. CVSS v3 base score is 9.8 out of 10.