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CVE-2025-62595: koa 2.16.2
CVE-2025-62595. CVSS 3.1 base score 6.1 (MEDIUM, NVD). EPSS 0.00295 (percentile 0.20271), scored 2026-10-06.
Affected technology
koa · from 3.0.1 (inclusive), before 3.0.3 (exclusive)
koajs
koa · 2.16.2
koajs
koa · >= 2.16.2, < 2.16.3, >= 3.0.1, < 3.0.3
koajs
Component: Not specified by the source
Attack conditions (Vendor/CNA, CVSS 3.1): Network (remote) · No privileges required · User interaction required
Attack conditions (NVD, CVSS 3.1): Network (remote) · No privileges required · User interaction required
What an attacker can do
An attacker can manipulate the Referer header to force a user’s browser to navigate to an external, potentially malicious website. Vendor/CNA’s CVSS 3.1 assessment (base score 4.3/10) rates confidentiality and availability impact as none; integrity impact as low. NVD’s CVSS 3.1 assessment (base score 6.1/10) rates confidentiality and integrity impact as low; availability impact as none.
- CWE
- CWE-601
- CCR priority
- 24.5 /100 (P4)
- CVSS 3.1
- 6.1 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N · NVD
- EPSS
- 0.00295 · percentile 0.20347 · 2026-10-08
- KEV
- no
Provenance
- FIRST EPSS daily exploit-probability · Source record · observed 2026-10-08 17:36:22.845483+00:00 UTC
- NVD CVE API 2.0 · Source record · observed 2026-10-08 17:32:11.049884+00:00 UTC
Stable permalink: https://cybercodered.org/item/cve-cve-2025-62595.html