Vulnerability-Lookup

GHSA-73F3-RQQF-2J54

Vulnerability from github – Published: 2026-02-03 18:30 – Updated: 2026-02-03 19:53

Summary

Apache Syncope: Console XXE on Keymaster parameters

Details

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

Show details on source website

JSON

To clipboard

{
  "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"
}

CVE-2026-23795 (GCVE-0-2026-23795)

Vulnerability from cvelistv5 – Published: 2026-02-03 15:14 – Updated: 2026-02-03 16:00

Title

Apache Syncope: Console XXE on Keymaster parameters

Summary

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

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-02-03 16:00 UTC

CWE

CWE-611 - Improper Restriction of XML External Entity Reference

Assigner

apache CNA under the mitre root

CNA scorecard B 76/100 over 1004 records in the last 180 days details

References

2 references

URL	Tags
https://lists.apache.org/thread/mzgbdn8hzk8vr94o6…	vendor-advisory
http://www.openwall.com/lists/oss-security/2026/02/02/2

Impacted products

1 product

Vendor	Product	Version
Apache Software Foundation	Apache Syncope	Affected: 3.0 , ≤ 3.0.15 (semver) Affected: 4.0 , ≤ 4.0.3 (semver)

Credits

follycat Y0n3er

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2026-02-03T15:19:11.713Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "url": "http://www.openwall.com/lists/oss-security/2026/02/02/2"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "NONE",
              "baseScore": 4.9,
              "baseSeverity": "MEDIUM",
              "confidentialityImpact": "HIGH",
              "integrityImpact": "NONE",
              "privilegesRequired": "HIGH",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2026-23795",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-02-03T16:00:29.202902Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-02-03T16:00:32.112Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "collectionURL": "https://repo.maven.apache.org/maven2",
          "defaultStatus": "unaffected",
          "packageName": "org.apache.syncope.client.idrepo:syncope-client-idrepo-console",
          "product": "Apache Syncope",
          "vendor": "Apache Software Foundation",
          "versions": [
            {
              "lessThanOrEqual": "3.0.15",
              "status": "affected",
              "version": "3.0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "4.0.3",
              "status": "affected",
              "version": "4.0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "follycat"
        },
        {
          "lang": "en",
          "type": "finder",
          "value": "Y0n3er"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "\u003cp\u003eImproper Restriction of XML External Entity Reference vulnerability in Apache Syncope Console.\u003cbr\u003eAn 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.\u003c/p\u003e\u003cp\u003eThis issue affects Apache Syncope: from 3.0 through 3.0.15, from 4.0 through 4.0.3.\u003c/p\u003e\u003cp\u003eUsers are recommended to upgrade to version 3.0.16 / 4.0.4, which fix this issue.\u003c/p\u003e"
            }
          ],
          "value": "Improper Restriction of XML External Entity Reference vulnerability in Apache Syncope Console.\nAn 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."
        }
      ],
      "metrics": [
        {
          "other": {
            "content": {
              "text": "moderate"
            },
            "type": "Textual description of severity"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-611",
              "description": "CWE-611 Improper Restriction of XML External Entity Reference",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-02-03T15:14:35.448Z",
        "orgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09",
        "shortName": "apache"
      },
      "references": [
        {
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://lists.apache.org/thread/mzgbdn8hzk8vr94o660njcc7w62c2pos"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "title": "Apache Syncope: Console XXE on Keymaster parameters",
      "x_generator": {
        "engine": "Vulnogram 0.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09",
    "assignerShortName": "apache",
    "cveId": "CVE-2026-23795",
    "datePublished": "2026-02-03T15:14:35.448Z",
    "dateReserved": "2026-01-16T11:15:53.117Z",
    "dateUpdated": "2026-02-03T16:00:32.112Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

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.

Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

Order JSON

Publication & reservation Sightings KEV catalogs Other timestamps

Loading timeline…

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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.

Action not permitted