CVE-2026-21389
Copeland XWEB and XWEB Pro OS Command Injection
- Published
- Updated
- Reserved
- Assigned by
- icscert
Description
An OS command injection vulnerability exists in XWEB Pro version 1.12.1 and prior, enabling an authenticated attacker to achieve remote code execution on the system by injecting malicious input into the request body sent to the contacts import route.
Timeline
ID reserved
By icscert
- 22 days later
· 22 days later
Published
- 3 days later
· 3 days later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| icscertCNA (assigner) | 3.1 | High8.0 | CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H |
| NVDNVD · Analyzed | 3.1 | High8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 1.7% · top 23% of all CVEs (7 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: total
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.0.
Weakness
Affected products
Copeland · Copeland XWEB 300D PRO
- affected ≤ 1.12.1
Copeland · Copeland XWEB 500D PRO
- affected ≤ 1.12.1
Copeland · Copeland XWEB 500B PRO
- affected ≤ 1.12.1
What to do
Solution: Copeland has provided a fix for the vulnerabilities and recommends users update the XWEB Pro to the latest version by going to their software update page https://webapps.copeland.com/Dixell/Pages/SystemSoftwareUpdate in the sections dedicated to the different XWEBPRO models page.
Solution: Alternatively, a user logged into an XWEB Pro with internet access can update XWEB Pro directly from Copeland servers via the menu SYSTEM -- Updates | Network.
References (3)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2026-21389)Record last updated .