GHSA-73F3-RQQF-2J54

Vulnerability from github – Published: 2026-02-03 18:30 – Updated: 2026-02-03 19:53
VLAI?
Summary
Apache Syncope: Console XXE on Keymaster parameters
Details

Improper Restriction of XML External Entity Reference vulnerability in Apache Syncope Console. An administrator with adequate entitlements to create or edit Keymaster parameters via Console can construct malicious XML text to launch an XXE attack, thereby causing sensitive data leakage occurs.

This issue affects Apache Syncope: from 3.0 through 3.0.15, from 4.0 through 4.0.3.

Users are recommended to upgrade to version 3.0.16 / 4.0.4, which fix this issue.

Severity ?
4.9 (Medium)
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
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{
  "affected": [
    {
      "package": {
        "ecosystem": "Maven",
        "name": "org.apache.syncope.client.idrepo:syncope-client-idrepo-console"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "3.0.0"
            },
            {
              "fixed": "3.0.16"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Maven",
        "name": "org.apache.syncope.client.idrepo:syncope-client-idrepo-console"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "4.0.0"
            },
            {
              "fixed": "4.0.4"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2026-23795"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-611"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-02-03T19:53:38Z",
    "nvd_published_at": "2026-02-03T16:16:13Z",
    "severity": "MODERATE"
  },
  "details": "Improper Restriction of XML External Entity Reference vulnerability in Apache Syncope Console. An administrator with adequate entitlements to create or edit Keymaster parameters via Console can construct malicious XML text to launch an XXE attack, thereby causing sensitive data leakage occurs.\n\nThis issue affects Apache Syncope: from 3.0 through 3.0.15, from 4.0 through 4.0.3.\n\nUsers are recommended to upgrade to version 3.0.16 / 4.0.4, which fix this issue.",
  "id": "GHSA-73f3-rqqf-2j54",
  "modified": "2026-02-03T19:53:38Z",
  "published": "2026-02-03T18:30:44Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-23795"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/apache/syncope"
    },
    {
      "type": "WEB",
      "url": "https://lists.apache.org/thread/mzgbdn8hzk8vr94o660njcc7w62c2pos"
    },
    {
      "type": "WEB",
      "url": "http://www.openwall.com/lists/oss-security/2026/02/02/2"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Apache Syncope: Console XXE on Keymaster parameters"
}


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  • 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.
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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.