CVE-2026-25085

HIGH 8.6

Copeland XWEB and XWEB Pro Unexpected Status Code or Return Value

CVSS Score

8.6

EPSS Score

0.0%

EPSS Percentile

0th

A vulnerability exists in Copeland XWEB Pro version 1.12.1 and prior, in which an unexpected return value from the authentication routine is later on processed as a legitimate value, resulting in an authentication bypass.

CWE	CWE-394
Vendor	copeland
Product	copeland xweb 300d pro
Published	Feb 27, 2026
Last Updated	Mar 2, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

Low

Availability

Low

Affected Versions

Copeland / Copeland XWEB 300D PRO

0 ≤ 1.12.1

Copeland / Copeland XWEB 500D PRO

0 ≤ 1.12.1

Copeland / Copeland XWEB 500B PRO

0 ≤ 1.12.1

References

NVD ↗ CVE.org ↗ EPSS Data ↗

webapps.copeland.com: https://webapps.copeland.com/Dixell/Pages/SystemSoftwareUpdate cisa.gov: https://www.cisa.gov/news-events/ics-advisories/icsa-26-057-10 github.com: https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-057-10.json

Credits

Amir Zaltzman and Noam Moshe of Claroty Team82 reported this vulnerability to CISA.