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CVE-2026-22877

CRITICAL CVSS 3.1: 9.1 EPSS 0.04%
Updated Feb 27, 2026
Copeland
Parameter Value
CVSS 9.1 (CRITICAL)
Affected Versions before 1.12.1
Type CWE-22 (Path Traversal)
Vendor Copeland
Public PoC No

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.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
None
No data modification
Availability
High
Complete denial of service

CVSS Vector v3.1

Weakness Type (CWE)

Vulnerable Products 6

Configuration From (including) Up to (excluding)
Copeland Xweb_300d_Pro_Firmware
cpe:2.3:o:copeland:xweb_300d_pro_firmware:*:*:*:*:*:*:*:*
<= 1.12.1
Copeland Xweb_300d_Pro
cpe:2.3:h:copeland:xweb_300d_pro:-:*:*:*:*:*:*:*
Copeland Xweb_500d_Pro_Firmware
cpe:2.3:o:copeland:xweb_500d_pro_firmware:*:*:*:*:*:*:*:*
<= 1.12.1
Copeland Xweb_500d_Pro
cpe:2.3:h:copeland:xweb_500d_pro:-:*:*:*:*:*:*:*
Copeland Xweb_500b_Pro_Firmware
cpe:2.3:o:copeland:xweb_500b_pro_firmware:*:*:*:*:*:*:*:*
<= 1.12.1
Copeland Xweb_500b_Pro
cpe:2.3:h:copeland:xweb_500b_pro:-:*:*:*:*:*:*:*