PT-2026-22252 · Copeland · Copeland Xweb Pro

Amir Zaltzman + 1 · Published 2026-02-27 · Updated 2026-03-04 · CVE-2026-21718

Positive Technologies (AI Summary)

CVSS v3.1

10

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions Copeland XWEB Pro versions prior to 1.12.1

Description An authentication bypass allows attackers to circumvent the authentication requirement and achieve pre-authenticated code execution on the system. The flaw allows remote exploitation over the network without requiring prior access or user interaction.

Recommendations Update to a version later than 1.12.1.

Fix

Use of a Broken Cryptographic Algorithm

Weakness Enumeration

CWE-327

Related Identifiers

CVE-2026-21718

Affected Products

Copeland Xweb Pro

References · 12

• https://osv.dev/vulnerability/CVE-2026-21718 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-21718 · Security Note
• https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-057-10.json · Note
• https://t.me/CVEtracker/45900 · Telegram Post
• https://twitter.com/CveTodo/status/2027194206423236637 · Twitter Post
• https://twitter.com/cracbot/status/2028787745209172306 · Twitter Post
• https://t.me/cveNotify/153396 · Telegram Post
• https://twitter.com/CveFindCom/status/2027197342881927308 · Twitter Post
• https://twitter.com/CVEnew/status/2027380240889086210 · Twitter Post
• https://webapps.copeland.com/Dixell/Pages/SystemSoftwareUpdate · Note
• https://cisa.gov/news-events/ics-advisories/icsa-26-057-10 · Note
• https://twitter.com/cracbot/status/2029149949989183655 · Twitter Post