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UK Cyber Defence
VulnerabilityAnalyzed

CVE-2026-24663

An OS command injection vulnerability exists in XWEB Pro version 1.12.1 and prior, enabling an unauthenticated attacker to achieve remote code execution on the system by sending a crafted request to the libraries installation route and injecting…

CRITICAL 9.8EPSS 3.69%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (3.69%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

An OS command injection vulnerability exists in XWEB Pro version 1.12.1 and prior, enabling an unauthenticated attacker to achieve remote code execution on the system by sending a crafted request to the libraries installation route and injecting malicious input into the request body.

CVSS 3.1
9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
3.69% probability · 90th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-78
Affected
copeland/xweb 500b pro firmware · copeland/xweb 300d pro firmware · copeland/xweb 500d pro firmware
Source
ics-cert@hq.dhs.gov
EPSS trend
0%3%5%25 October 2026: 3.69%26 October 2026: 3.69%25 October 202626 October 2026

EPSS moved from 3.7% on 25 October 2026 to 3.7% on 26 October 2026.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.