Copeland XWEB and XWEB Pro Path Traversal

published 2026-02-27 8 mo ago modified 2026-06-17 4 mo ago also EUVD-2026-8973

cvss: 3.7; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.6%; EPSS 0.6% chance of exploitation in 30 days, percentile 49%
public exploits: 0; none known

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.

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-26-057-10 updated 2026-02-26 cvss 3.7

Copeland XWEB and XWEB Pro

Copeland XWEB 300D PRO <=1.12.1 Copeland XWEB 500B PRO <=1.12.1 Copeland XWEB 500D PRO <=1.12.1
affected: mitigation “Alternatively, a user logged into an XWEB Pro with internet access can update XWEB Pro directly from Copeland servers via the menu SYSTEM -- Updates | Network.” webapps.copeland.com

From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 8 mo ago (2026-03-02)

Exploit prediction

0.61% chance of exploitation in the next 30 days, higher than 49% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	3.7	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
NVD	3.1	9.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Affected products

Copeland Copeland XWEB 300D PRO
Copeland Copeland XWEB 500D PRO
Copeland Copeland XWEB 500B PRO

Classification

Weakness

CWE-22 Improper Limitation of a Pathname to a Restricted Directory

References

webapps.copeland.com /Dixell/Pages/SystemSoftwareUpdate
product
cisa.gov /news-events/ics-advisories/icsa-26-057-10
third-party-advisory, us-government-resource
github.com /cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-057-10.json
third-party-advisory

Sources

CVE List CVE-2026-22877
NVD CVE-2026-22877

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary