What is CVE-2026-22877?

CVE-2026-22877 is a low-severity vulnerability in Copeland Xweb 300d Pro, classified under Path Traversal. CVSS score: 3.7/10. Published 2026-02-27.

How severe is CVE-2026-22877?

Low severity. CVSS v3 base score is 3.7 out of 10.

Path Traversal in Copeland Xweb 300d Pro

CVE-2026-22877

An arbitrary file-read vulnerability exists in XWEB Pro version 1.12.1 and prior, enabling unauthenticated attackers to read arbitrary files on the system, and potentially causing a denial-of-service attack.

Vulnerability class: Path Traversal (Directory Traversal)

EPSS: 0.006 (42.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 3.7 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N.

Affected products

Weakness classification (CWE)

CWE-22 — Path Traversal

References

ics-cert@hq.dhs.gov (Product)
ics-cert@hq.dhs.gov (US Government Resource, Third Party Advisory)
ics-cert@hq.dhs.gov (Third Party Advisory)

Frequently asked questions

What is CVE-2026-22877?: CVE-2026-22877 is a low-severity vulnerability in Copeland Xweb 300d Pro, classified under Path Traversal. CVSS score: 3.7/10. Published 2026-02-27.
How severe is CVE-2026-22877?: Low severity. CVSS v3 base score is 3.7 out of 10.