Vulnerability from cleanstart
Published
2026-01-30 14:00
Modified
2026-01-29 18:58
Summary
It was found that the cookie used for CSRF prevention in Keycloak was not unique to each session
Details

Multiple security vulnerabilities affect the keycloak package. It was found that the cookie used for CSRF prevention in Keycloak was not unique to each session. See references for individual vulnerability details.

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{
  "affected": [
    {
      "package": {
        "ecosystem": "CleanStart",
        "name": "keycloak"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "26.5.0-r0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "credits": [],
  "database_specific": {},
  "details": "Multiple security vulnerabilities affect the keycloak package. It was found that the cookie used for CSRF prevention in Keycloak was not unique to each session. See references for individual vulnerability details.",
  "id": "CLEANSTART-2026-SG80587",
  "modified": "2026-01-29T18:58:54Z",
  "published": "2026-01-30T14:00:21.027172Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/cleanstart-dev/cleanstart-security-advisories/tree/main/advisories/2026/CLEANSTART-2026-SG80587.json"
    },
    {
      "type": "WEB",
      "url": "https://osv.dev/vulnerability/CVE-2017-12158"
    },
    {
      "type": "WEB",
      "url": "https://osv.dev/vulnerability/CVE-2017-12159"
    },
    {
      "type": "WEB",
      "url": "https://osv.dev/vulnerability/GHSA-45p5-v273-3qqr"
    },
    {
      "type": "WEB",
      "url": "https://osv.dev/vulnerability/GHSA-5rfx-cp42-p624"
    },
    {
      "type": "WEB",
      "url": "https://osv.dev/vulnerability/GHSA-84h7-rjj3-6jx4"
    },
    {
      "type": "WEB",
      "url": "https://osv.dev/vulnerability/GHSA-h5fg-jpgr-rv9c"
    },
    {
      "type": "WEB",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2017-12158"
    },
    {
      "type": "WEB",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2017-12159"
    }
  ],
  "related": [],
  "schema_version": "1.7.3",
  "severity": [
    {
      "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "It was found that the cookie used for CSRF prevention in Keycloak was not unique to each session",
  "upstream": [
    "CVE-2017-12158",
    "CVE-2017-12159",
    "GHSA-45p5-v273-3qqr",
    "GHSA-5rfx-cp42-p624",
    "GHSA-84h7-rjj3-6jx4",
    "GHSA-h5fg-jpgr-rv9c"
  ]
}


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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.