by Kastro
Paper/Archive/CVE-2026-22877

CVE-2026-22877

Copeland Copeland XWEB 300D PRO — Copeland XWEB and XWEB Pro Path Traversal

EPSS 0.6%CVSS 9.1
critical.is priorityof 100
37
CVSS 9.1 (NVD)9.1 / 10 × 3027.3Not in CISA KEV+300.0EPSS percentile 49.4.494 × 209.9No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource
Copeland XWEB 300D PRO≤ 1.12.1–CNA
Copeland XWEB 500D PRO≤ 1.12.1–CNA
Copeland XWEB 500B PRO≤ 1.12.1–CNA

Scores by source

NVD9.1CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
icscert (CNA)3.7CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
CISA ADPSSVCExploitation: none · Automatable: no · Technical impact: partial

References

refwebapps.copeland.com/Dixell/Pages/SystemSoftwareUpdaterefcisa.gov/news-events/ics-advisories/icsa-26-057-10refgithub.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-057-10.json