What’s Vulnerable › Vulnerabilities

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

• Severity: critical (CVSS 9.3 v4.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-05-09 · updated 2026-06-17
• Weakness: CWE-20

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.

Affected products

• Kong Inc. Insomnia: through 11.0.2

References

• https://github.com/Kong/insomnia
• https://tantosec.com/blog/2025/06/insomnia-api-client-template-injection/

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