SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityDeferred

CVE-2026-15027

CGServiSign developed by Changing has a OS Command Injection vulnerability.

HIGH 8.6EPSS 3.16%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (3.16%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

CGServiSign developed by Changing has a OS Command Injection vulnerability. Unauthenticated remote attackers can induce victims to visit a malicious web page and inject arbitrary OS commands through the local service interface, resulting in command execution on the victim's local computer.

CVSS 4.0
8.6 HIGHCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
EPSS
3.16% probability · 88th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-78
Source
twcert@cert.org.tw
EPSS trend
0%3%5%23 September 2026: 2.17%26 October 2026: 3.16%23 September 202626 October 2026

EPSS moved from 2.2% on 23 September 2026 to 3.2% 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.