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)
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.006 (45.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 45th percentile — 45.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: +0.000
Affected products
Weakness classification (CWE)
References
- webapps.copeland.com/Dixell/Pages/SystemSoftwareUpdate (Product)
- www.cisa.gov/news-events/ics-advisories/icsa-26-057-10 (US Government Resource, Third Party Advisory)
- github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-057-10.js… (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.