CVE-2026-42539 (GCVE-0-2026-42539)

Vulnerability from cvelistv5 – Published: 2026-06-04 20:54 – Updated: 2026-06-04 21:36
VLAI
Title
IRIS has an Excessive Data Exposure issue
Summary
IRIS is a web collaborative platform that helps incident responders share technical details during investigations. Versions prior to 2.4.28 return sensitive data to the user which are not required for the client’s operation. Version 2.4.28 contains a patch.
CWE
  • CWE-201 - Insertion of Sensitive Information Into Sent Data
Assigner
Impacted products
Vendor Product Version
dfir-iris iris-web Affected: < 2.4.28
Create a notification for this product.
Show details on NVD website

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    "cna": {
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          "vendor": "dfir-iris",
          "versions": [
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      "metrics": [
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          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 6.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
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        "dateUpdated": "2026-06-04T20:54:51.107Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
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    "cveId": "CVE-2026-42539",
    "datePublished": "2026-06-04T20:54:51.107Z",
    "dateReserved": "2026-04-28T16:56:50.190Z",
    "dateUpdated": "2026-06-04T21:36:15.404Z",
    "state": "PUBLISHED"
  },
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  "dataVersion": "5.2",
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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

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Detection rules are retrieved from Rulezet.

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