CVE-2025-1087
CVE-2025-1087 is a critical-severity vulnerability with a CVSS 4.0 base score of 9.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.
Key facts
- Severity: Critical (CVSS 4.0 base score 9.3)
- EPSS exploit prediction: 1% (58th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2025-14165
- Weakness: CWE-20
- Published:
- Last modified:
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.
Frequently asked questions
- What is CVE-2025-1087?
- 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.
- How severe is CVE-2025-1087?
- CVE-2025-1087 has a CVSS 4.0 base score of 9.3, rated critical severity.
- Is CVE-2025-1087 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.
- How do I fix CVE-2025-1087?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- Does CVE-2025-1087 have an EU (EUVD) identifier?
- Yes. CVE-2025-1087 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-14165.
- When was CVE-2025-1087 published?
- CVE-2025-1087 was published on 2025-05-09 and last updated on 2026-06-17.
References
- https://github.com/Kong/insomnia
- https://tantosec.com/blog/2025/06/insomnia-api-client-template-injection/
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