High 8.6Published Feb 26, 2026

CVE-2026-25085Copeland XWEB and XWEB Pro Unexpected Status Code or Return Value

Updated under an hour ago (Oct 27, 2026, 8:10 AM ET)

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It affects Copeland XWEB 300D PRO and 5 other products. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for Copeland XWEB 300D PRO

Exploited in the last 30 days

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.

CVSS: 8.6 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L
Weakness (CWE): CWE-394
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: icscert
NVD analysis: Analyzed
Record last updated: Mar 2, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Copeland Copeland XWEB 300D PRO copeland:xweb_300d_pro (from the name)	through 1.12.1	CNA record
Copeland Copeland XWEB 500D PRO copeland:xweb_500d_pro (from the name)	through 1.12.1	CNA record
Copeland Copeland XWEB 500B PRO copeland:xweb_500b_pro (from the name)	through 1.12.1	CNA record
copeland xweb_500b_pro_firmware copeland:xweb_500b_pro_firmware	through 1.12.1	NVD
copeland xweb_300d_pro_firmware copeland:xweb_300d_pro_firmware	through 1.12.1	NVD
copeland xweb_500d_pro_firmware copeland:xweb_500d_pro_firmware	through 1.12.1	NVD

References

References

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

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.