(CVE-2026-44249)

Vulnerability from cleanstart – Published: 2026-09-04 00:46 – Updated: 2026-09-18 11:59 – Source website
Withdrawn 2026-09-18 VLAI
Summary
Netty is a network application framework for development of protocol servers and clients
Details

Multiple security vulnerabilities affect the keycloak package. Netty is a network application framework for development of protocol servers and clients. See references for individual vulnerability details.

References
https://github.com/cleanstart-dev/cleanstart-secu… ADVISORY
https://osv.dev/vulnerability/CVE-2026-44249 WEB
https://osv.dev/vulnerability/CVE-2026-44893 WEB
https://osv.dev/vulnerability/CVE-2026-45416 WEB
https://osv.dev/vulnerability/CVE-2026-45536 WEB
https://osv.dev/vulnerability/CVE-2026-45673 WEB
https://osv.dev/vulnerability/CVE-2026-45674 WEB
https://osv.dev/vulnerability/CVE-2026-47244 WEB
https://osv.dev/vulnerability/CVE-2026-47691 WEB
https://osv.dev/vulnerability/CVE-2026-48043 WEB
https://osv.dev/vulnerability/CVE-2026-48059 WEB
https://osv.dev/vulnerability/CVE-2026-50010 WEB
https://osv.dev/vulnerability/CVE-2026-50020 WEB
https://osv.dev/vulnerability/CVE-2026-50560 WEB
https://osv.dev/vulnerability/CVE-2026-6860 WEB
https://osv.dev/vulnerability/ghsa-3qp7-7mw8-wx86 WEB
https://osv.dev/vulnerability/ghsa-563q-j3cm-6jxm WEB
https://osv.dev/vulnerability/ghsa-5pvg-856g-cp85 WEB
https://osv.dev/vulnerability/ghsa-5x3r-wrvg-rp6q WEB
https://osv.dev/vulnerability/ghsa-676x-f7gg-47vc WEB
https://osv.dev/vulnerability/ghsa-c2gf-v879-257j WEB
https://osv.dev/vulnerability/ghsa-cc37-9q2j-3hfv WEB
https://osv.dev/vulnerability/ghsa-h2qv-fj59-j46j WEB
https://osv.dev/vulnerability/ghsa-x4gw-5cx5-pgmh WEB
https://osv.dev/vulnerability/ghsa-xmv7-r254-6q78 WEB
https://nvd.nist.gov/vuln/detail/CVE-2026-44249 WEB
https://nvd.nist.gov/vuln/detail/CVE-2026-44893 WEB
https://nvd.nist.gov/vuln/detail/CVE-2026-45416 WEB
https://nvd.nist.gov/vuln/detail/CVE-2026-45536 WEB
https://nvd.nist.gov/vuln/detail/CVE-2026-45673 WEB
https://nvd.nist.gov/vuln/detail/CVE-2026-45674 WEB
https://nvd.nist.gov/vuln/detail/CVE-2026-47244 WEB
https://nvd.nist.gov/vuln/detail/CVE-2026-47691 WEB
https://nvd.nist.gov/vuln/detail/CVE-2026-48043 WEB
https://nvd.nist.gov/vuln/detail/CVE-2026-48059 WEB
https://nvd.nist.gov/vuln/detail/CVE-2026-50010 WEB
https://nvd.nist.gov/vuln/detail/CVE-2026-50020 WEB
https://nvd.nist.gov/vuln/detail/CVE-2026-50560 WEB
https://nvd.nist.gov/vuln/detail/CVE-2026-6860 WEB

{
  "affected": [
    {
      "package": {
        "ecosystem": "CleanStart",
        "name": "keycloak"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "26.4.2-r0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "credits": [],
  "database_specific": {},
  "details": "Multiple security vulnerabilities affect the keycloak package. Netty is a network application framework for development of protocol servers and clients. See references for individual vulnerability details.",
  "id": "CLEANSTART-2026-ZB03263",
  "modified": "2026-09-18T11:59:01.768079Z",
  "published": "2026-09-04T00:46:48.827161Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/cleanstart-dev/cleanstart-security-advisories/tree/main/advisories/2026/CLEANSTART-2026-ZB03263.json"
    },
    {
      "type": "WEB",
      "url": "https://osv.dev/vulnerability/CVE-2026-44249"
    },
    {
      "type": "WEB",
      "url": "https://osv.dev/vulnerability/CVE-2026-44893"
    },
    {
      "type": "WEB",
      "url": "https://osv.dev/vulnerability/CVE-2026-45416"
    },
    {
      "type": "WEB",
      "url": "https://osv.dev/vulnerability/CVE-2026-45536"
    },
    {
      "type": "WEB",
      "url": "https://osv.dev/vulnerability/CVE-2026-45673"
    },
    {
      "type": "WEB",
      "url": "https://osv.dev/vulnerability/CVE-2026-45674"
    },
    {
      "type": "WEB",
      "url": "https://osv.dev/vulnerability/CVE-2026-47244"
    },
    {
      "type": "WEB",
      "url": "https://osv.dev/vulnerability/CVE-2026-47691"
    },
    {
      "type": "WEB",
      "url": "https://osv.dev/vulnerability/CVE-2026-48043"
    },
    {
      "type": "WEB",
      "url": "https://osv.dev/vulnerability/CVE-2026-48059"
    },
    {
      "type": "WEB",
      "url": "https://osv.dev/vulnerability/CVE-2026-50010"
    },
    {
      "type": "WEB",
      "url": "https://osv.dev/vulnerability/CVE-2026-50020"
    },
    {
      "type": "WEB",
      "url": "https://osv.dev/vulnerability/CVE-2026-50560"
    },
    {
      "type": "WEB",
      "url": "https://osv.dev/vulnerability/CVE-2026-6860"
    },
    {
      "type": "WEB",
      "url": "https://osv.dev/vulnerability/ghsa-3qp7-7mw8-wx86"
    },
    {
      "type": "WEB",
      "url": "https://osv.dev/vulnerability/ghsa-563q-j3cm-6jxm"
    },
    {
      "type": "WEB",
      "url": "https://osv.dev/vulnerability/ghsa-5pvg-856g-cp85"
    },
    {
      "type": "WEB",
      "url": "https://osv.dev/vulnerability/ghsa-5x3r-wrvg-rp6q"
    },
    {
      "type": "WEB",
      "url": "https://osv.dev/vulnerability/ghsa-676x-f7gg-47vc"
    },
    {
      "type": "WEB",
      "url": "https://osv.dev/vulnerability/ghsa-c2gf-v879-257j"
    },
    {
      "type": "WEB",
      "url": "https://osv.dev/vulnerability/ghsa-cc37-9q2j-3hfv"
    },
    {
      "type": "WEB",
      "url": "https://osv.dev/vulnerability/ghsa-h2qv-fj59-j46j"
    },
    {
      "type": "WEB",
      "url": "https://osv.dev/vulnerability/ghsa-x4gw-5cx5-pgmh"
    },
    {
      "type": "WEB",
      "url": "https://osv.dev/vulnerability/ghsa-xmv7-r254-6q78"
    },
    {
      "type": "WEB",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-44249"
    },
    {
      "type": "WEB",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-44893"
    },
    {
      "type": "WEB",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-45416"
    },
    {
      "type": "WEB",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-45536"
    },
    {
      "type": "WEB",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-45673"
    },
    {
      "type": "WEB",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-45674"
    },
    {
      "type": "WEB",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-47244"
    },
    {
      "type": "WEB",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-47691"
    },
    {
      "type": "WEB",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-48043"
    },
    {
      "type": "WEB",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-48059"
    },
    {
      "type": "WEB",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-50010"
    },
    {
      "type": "WEB",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-50020"
    },
    {
      "type": "WEB",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-50560"
    },
    {
      "type": "WEB",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-6860"
    }
  ],
  "related": [],
  "schema_version": "1.7.3",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Netty is a network application framework for development of protocol servers and clients",
  "upstream": [
    "CVE-2026-44249",
    "CVE-2026-44893",
    "CVE-2026-45416",
    "CVE-2026-45536",
    "CVE-2026-45673",
    "CVE-2026-45674",
    "CVE-2026-47244",
    "CVE-2026-47691",
    "CVE-2026-48043",
    "CVE-2026-48059",
    "CVE-2026-50010",
    "CVE-2026-50020",
    "CVE-2026-50560",
    "CVE-2026-6860",
    "ghsa-3qp7-7mw8-wx86",
    "ghsa-563q-j3cm-6jxm",
    "ghsa-5pvg-856g-cp85",
    "ghsa-5x3r-wrvg-rp6q",
    "ghsa-676x-f7gg-47vc",
    "ghsa-c2gf-v879-257j",
    "ghsa-cc37-9q2j-3hfv",
    "ghsa-h2qv-fj59-j46j",
    "ghsa-x4gw-5cx5-pgmh",
    "ghsa-xmv7-r254-6q78"
  ],
  "withdrawn": "2026-09-18T11:59:01.768079Z"
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading…

Loading…

Loading…

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.

Loading…

Loading…

Loading…

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.


Loading…