CVE-2025-1087: Arbitrary Code Execution in Kong Insomnia Desktop Application

9.3 CVSS

Description

Kong Insomnia Desktop Application before 11.0.2 contains a template injection vulnerability that allows attackers to execute arbitrary code. The vulnerability exists due to insufficient validation of user-supplied input when processing template strings, which can lead to arbitrary JavaScript execution in the context of the application.

Classification

CVE ID: CVE-2025-1087

CVSS Base Severity: CRITICAL

CVSS Base Score: 9.3

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:L/SC:H/SI:H/SA:L

Problem Types

CWE-20 Improper Input Validation CWE-94 Improper Control of Generation of Code ('Code Injection')

Affected Products

Vendor: Kong Inc.

Product: Insomnia

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.19% (probability of being exploited)

EPSS Percentile: 41.74% (scored less or equal to compared to others)

EPSS Date: 2025-06-07 (when was this score calculated)

References

https://nvd.nist.gov/vuln/detail/CVE-2025-1087
https://github.com/Kong/insomnia

Timeline