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PatchSiren cyber security CVE debrief

CVE-2026-42538 dfir-iris CVE debrief

CVE-2026-42538 is a vulnerability in the IRIS web collaborative platform that allows for phishing pages and Cross-Site Scripting (XSS). Versions prior to 2.4.28 do not properly validate uploaded files, which can be used to host malicious content. This vulnerability has a CVSS score of 6.3 and is classified as MEDIUM severity. The vulnerability was published on [cvePublishedAt] and modified on [cveModifiedAt].

Vendor
dfir-iris
Product
iris-web
CVSS
MEDIUM 6.3
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-04
Original CVE updated
2026-07-22
Advisory published
2026-06-04
Advisory updated
2026-07-22

Who should care

Users of IRIS web collaborative platform versions prior to 2.4.28 should update to version 2.4.28 or later to patch this vulnerability.

Technical summary

The IRIS web collaborative platform does not properly validate uploaded files, allowing for malicious content to be hosted. This vulnerability can be used for phishing and Cross-Site Scripting (XSS) attacks. The vulnerability is addressed in version 2.4.28.

Defensive priority

MEDIUM

Recommended defensive actions

  • Update IRIS web collaborative platform to version 2.4.28 or later.
  • Validate uploaded files to prevent malicious content from being hosted.

Evidence notes

CVE-2026-42538 has a CVSS score of 6.3 and is classified as MEDIUM severity. The vulnerability allows for phishing pages and Cross-Site Scripting (XSS) attacks.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-42538 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-42538

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-42538 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-42538

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.