JVNDB-2026-000090

Vulnerability from jvndb - Published: 2026-06-29 14:18 - Updated:2026-06-29 14:18
Severity
9.8 (Critical) - cvssV3_0 - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
Multiple vulnerabilities in Fluentd
Details
Fluentd provided by Fluentd Project contains multiple vulnerabilities listed below.
  • Path traversal in ${tag} Placeholder (CWE-22) - CVE-2026-44024
  • Missing authentication for critical function in Monitor Agent API (CWE-306) - CVE-2026-44025
  • Improper handling of highly compressed data in in_http and in_forward (CWE-409) - CVE-2026-44160
  • Server-side request forgery in out_http (CWE-918) - CVE-2026-44161
  • Improper handling of highly compressed data in in_s3 (CWE-409) - CVE-2026-44162
  • Improper handling of highly compressed data in in_opentelemetry (CWE-409) - CVE-2026-44163
The developer reported these vulnerabilities to IPA to notify users of the solutions through JVN. JPCERT/CC and the developer coordinated under the Information Security Early Warning Partnership.
References
Impacted products
Show details on JVN DB website
To clipboard 

{
  "@rdf:about": "https://jvndb.jvn.jp/en/contents/2026/JVNDB-2026-000090.html",
  "dc:date": "2026-06-29T14:18+09:00",
  "dcterms:issued": "2026-06-29T14:18+09:00",
  "dcterms:modified": "2026-06-29T14:18+09:00",
  "description": "Fluentd provided by Fluentd Project contains multiple vulnerabilities listed below.  \u003ca href=\u0027https://cwe.mitre.org/data/definitions/22.html\u0027 target=\u0027_blank\u0027\u003e\u003c/a\u003e\u003ca href=\u0027https://www.cve.org/CVERecord?id=CVE-2026-44024\u0027 target=\u0027_blank\u0027\u003e\u003c/a\u003e\u003ca href=\u0027https://cwe.mitre.org/data/definitions/306.html\u0027 target=\u0027_blank\u0027\u003e\u003c/a\u003e\u003ca href=\u0027http://www.cve.org/CVERecord?id=CVE-2026-44025\u0027 target=\u0027_blank\u0027\u003e\u003c/a\u003e    \u003ca href=\u0027https://cwe.mitre.org/data/definitions/409.html\u0027 target=\u0027_blank\u0027\u003e\u003c/a\u003e\u003ca href=\u0027http://www.cve.org/CVERecord?id=CVE-2026-44160\u0027 target=\u0027_blank\u0027\u003e\u003c/a\u003e  \u003ca href=\u0027https://cwe.mitre.org/data/definitions/918.html\u0027 target=\u0027_blank\u0027\u003e\u003c/a\u003e\u003ca href=\u0027http://www.cve.org/CVERecord?id=CVE-2026-44161\u0027 target=\u0027_blank\u0027\u003e\u003c/a\u003e  \u003ca href=\u0027https://cwe.mitre.org/data/definitions/409.html\u0027 target=\u0027_blank\u0027\u003e\u003c/a\u003e\u003ca href=\u0027http://www.cve.org/CVERecord?id=CVE-2026-44162\u0027 target=\u0027_blank\u0027\u003e\u003c/a\u003e  \u003ca href=\u0027https://cwe.mitre.org/data/definitions/409.html\u0027 target=\u0027_blank\u0027\u003e\u003c/a\u003e\u003ca href=\u0027http://www.cve.org/CVERecord?id=CVE-2026-44163\u0027 target=\u0027_blank\u0027\u003e\u003c/a\u003e\u003cul\u003e\u003cli\u003ePath traversal in ${tag} Placeholder (CWE-22) - CVE-2026-44024\u003c/li\u003e\u003cli\u003eMissing authentication for critical function in Monitor Agent API (CWE-306) - CVE-2026-44025\u003c/li\u003e\u003cli\u003eImproper handling of highly compressed data in in_http and in_forward  (CWE-409) - CVE-2026-44160\u003c/li\u003e\u003cli\u003eServer-side request forgery in out_http (CWE-918) - CVE-2026-44161\u003c/li\u003e\u003cli\u003eImproper handling of highly compressed data in in_s3 (CWE-409) - CVE-2026-44162\u003c/li\u003e\u003cli\u003eImproper handling of highly compressed data in in_opentelemetry (CWE-409) - CVE-2026-44163\u003c/li\u003e\u003c/ul\u003eThe developer reported these vulnerabilities to IPA to notify users of the solutions through JVN. JPCERT/CC and the developer coordinated under the Information Security Early Warning Partnership.",
  "link": "https://jvndb.jvn.jp/en/contents/2026/JVNDB-2026-000090.html",
  "sec:cpe": [
    {
      "#text": "cpe:/a:misc:clearcode_fluent-package",
      "@product": "fluent-package",
      "@vendor": "ClearCode Inc.",
      "@version": "2.2"
    },
    {
      "#text": "cpe:/a:misc:fluentd_project_fluent-plugin-opentelemetry",
      "@product": "fluent-plugin-opentelemetry",
      "@vendor": "Fluentd Project",
      "@version": "2.2"
    },
    {
      "#text": "cpe:/a:misc:fluentd_project_fluent-plugin-s3",
      "@product": "fluent-plugin-s3",
      "@vendor": "Fluentd Project",
      "@version": "2.2"
    },
    {
      "#text": "cpe:/a:misc:fluentd_project_fluentd",
      "@product": "Fluentd",
      "@vendor": "Fluentd Project",
      "@version": "2.2"
    }
  ],
  "sec:cvss": {
    "@score": "9.8",
    "@severity": "Critical",
    "@type": "Base",
    "@vector": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
    "@version": "3.0"
  },
  "sec:identifier": "JVNDB-2026-000090",
  "sec:references": [
    {
      "#text": "https://jvn.jp/en/jp/JVN36011274/index.html",
      "@id": "JVN#36011274",
      "@source": "JVN"
    },
    {
      "#text": "https://www.cve.org/CVERecord?id=CVE-2026-44024",
      "@id": "CVE-2026-44024",
      "@source": "CVE"
    },
    {
      "#text": "https://www.cve.org/CVERecord?id=CVE-2026-44025",
      "@id": "CVE-2026-44025",
      "@source": "CVE"
    },
    {
      "#text": "https://www.cve.org/CVERecord?id=CVE-2026-44160",
      "@id": "CVE-2026-44160",
      "@source": "CVE"
    },
    {
      "#text": "https://www.cve.org/CVERecord?id=CVE-2026-44161",
      "@id": "CVE-2026-44161",
      "@source": "CVE"
    },
    {
      "#text": "https://www.cve.org/CVERecord?id=CVE-2026-44162",
      "@id": "CVE-2026-44162",
      "@source": "CVE"
    },
    {
      "#text": "https://www.cve.org/CVERecord?id=CVE-2026-44163",
      "@id": "CVE-2026-44163",
      "@source": "CVE"
    },
    {
      "#text": "https://www.ipa.go.jp/en/security/vulnerabilities/cwe.html",
      "@id": "CWE-22",
      "@title": "Path Traversal(CWE-22)"
    },
    {
      "#text": "https://www.ipa.go.jp/en/security/vulnerabilities/cwe.html",
      "@id": "CWE-Other",
      "@title": "No Mapping(CWE-Other)"
    }
  ],
  "title": "Multiple vulnerabilities in Fluentd"
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.





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.


Detection rules are retrieved from Rulezet.