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CVE-2026-42538— IRIS has an Insecure File Upload

Quick assessment

Affected
dfir-iris iris-web
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Iris是DFIR-IRIS开源的一个快速、简单但功能齐全且非常高效的 Go 网络框架。 Iris 2.4.28之前版本存在安全漏洞，该漏洞源于文件上传验证不当，可能导致托管钓鱼页面和跨站脚本攻击。

CVSS 6.3 · Medium EPSS 0.30% · P20

Affected Version Matrix 1

VendorProduct Version RangeStatus
dfir-iris iris-web < 2.4.28 affected
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I. Basic Information for CVE-2026-42538

Vulnerability Information
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Vulnerability Title
IRIS has an Insecure File Upload
Source: CVE Program / CVE List V5
Vulnerability Description
IRIS is a web collaborative platform that helps incident responders share technical details during investigations. Versions prior to 2.4.28 do not properly validate uploaded files. The application can therefore be misused to host phishing pages, amongst other things. This also creates another instance of a Cross-Site Scripting (XSS) vulnerability. Version 2.4.28 contains a patch.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
危险类型文件的不加限制上传
Source: CVE Program / CVE List V5
Vulnerability Title
Iris 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Iris是DFIR-IRIS开源的一个快速、简单但功能齐全且非常高效的 Go 网络框架。 Iris 2.4.28之前版本存在安全漏洞，该漏洞源于文件上传验证不当，可能导致托管钓鱼页面和跨站脚本攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
dfir-iris iris-web < 2.4.28 -

II. Public POCs for CVE-2026-42538

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III. Intelligence Information for CVE-2026-42538

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Vendor Advisories for CVE-2026-42538 (1)

Same Patch Batch · dfir-iris · 2026-06-04 · 7 CVEs total

CVE-2026-42539 6.5 MEDIUM IRIS has an Excessive Data Exposure issue
CVE-2026-42547 5.4 MEDIUM IRIS Alerts Can be Falsely Attributed to Customers
CVE-2026-42329 4.7 MEDIUM Iris has an Open Redirect issue
CVE-2026-42543 4.3 MEDIUM IRIS has a Cross-Site Request Forgery (CSRF) issue
CVE-2026-42540 4.3 MEDIUM IRIS has a Mass Assignment issue
CVE-2026-41522 Iris has an Improper Authorization issue

IV. Related Vulnerabilities

Same product: iris-web
Same vendor: dfir-iris
Same weakness: CWE-434

V. Comments for CVE-2026-42538

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