CVE-2026-16764 (GCVE-0-2026-16764)

Vulnerability from cvelistv5 – Published: 2026-07-23 21:30 – Updated: 2026-07-24 14:39 X_Open Source
VLAI
Title
OWASP DefectDojo API/Web serializers.py UserSerializer privileges management
Summary
A vulnerability was identified in OWASP DefectDojo 2.59.0. This issue affects the function UserSerializer of the file dojo/api_v2/serializers.py of the component API/Web. Such manipulation of the argument is_staff leads to improper privilege management. The attack may be performed from remote. The exploit is publicly available and might be used. Upgrading to version 2.58.3 and 3.0.0 is capable of addressing this issue. The name of the patch is 68a272f299d096249fd3ba9c2676bf69012857bf. It is advisable to upgrade the affected component. 2.59.0 was not intended to be released and has been removed.
Severity
5.3 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
6.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
6.3 (Medium)
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-269 - Improper Privilege Management
  • CWE-266 - Incorrect Privilege Assignment
Assigner
References
Impacted products
Vendor Product Version
OWASP DefectDojo Affected: 2.59.0
Unaffected: 2.58.3
Unaffected: 3.0.0
    cpe:2.3:a:owasp:defectdojo:*:*:*:*:*:*:*:*
 Create a notification for this product.
Credits
0xnosferatu (VulDB User) VulDB CNA Team
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-16764",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-07-24T14:39:17.945239Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-07-24T14:39:30.521Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "cpes": [
            "cpe:2.3:a:owasp:defectdojo:*:*:*:*:*:*:*:*"
          ],
          "modules": [
            "API/Web"
          ],
          "product": "DefectDojo",
          "vendor": "OWASP",
          "versions": [
            {
              "status": "affected",
              "version": "2.59.0"
            },
            {
              "status": "unaffected",
              "version": "2.58.3"
            },
            {
              "status": "unaffected",
              "version": "3.0.0"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "reporter",
          "value": "0xnosferatu (VulDB User)"
        },
        {
          "lang": "en",
          "type": "coordinator",
          "value": "VulDB CNA Team"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A vulnerability was identified in OWASP DefectDojo 2.59.0. This issue affects the function UserSerializer of the file dojo/api_v2/serializers.py of the component API/Web. Such manipulation of the argument is_staff leads to improper privilege management. The attack may be performed from remote. The exploit is publicly available and might be used. Upgrading to version 2.58.3 and 3.0.0 is capable of addressing this issue. The name of the patch is 68a272f299d096249fd3ba9c2676bf69012857bf. It is advisable to upgrade the affected component. 2.59.0 was not intended to be released and has been removed."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P",
            "version": "4.0"
          }
        },
        {
          "cvssV3_1": {
            "baseScore": 6.3,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C",
            "version": "3.1"
          }
        },
        {
          "cvssV3_0": {
            "baseScore": 6.3,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C",
            "version": "3.0"
          }
        },
        {
          "cvssV2_0": {
            "baseScore": 6.5,
            "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:OF/RC:C",
            "version": "2.0"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-269",
              "description": "Improper Privilege Management",
              "lang": "en",
              "type": "CWE"
            }
          ]
        },
        {
          "descriptions": [
            {
              "cweId": "CWE-266",
              "description": "Incorrect Privilege Assignment",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-07-23T21:30:11.529Z",
        "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
        "shortName": "VulDB"
      },
      "references": [
        {
          "name": "VDB-382629 | OWASP DefectDojo API/Web serializers.py UserSerializer privileges management",
          "tags": [
            "vdb-entry",
            "technical-description"
          ],
          "url": "https://vuldb.com/vuln/382629"
        },
        {
          "name": "VDB-382629 | CTI Indicators (IOB, IOC, TTP, IOA)",
          "tags": [
            "signature",
            "permissions-required"
          ],
          "url": "https://vuldb.com/vuln/382629/cti"
        },
        {
          "name": "CVE-2026-16764 | CVE Analysis and Report",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://vuldb.com/cve/CVE-2026-16764"
        },
        {
          "name": "Submit #861317 | djangoproject django-DefectDojo 2.59.0 CWE-269 - Improper Privilege Management",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://vuldb.com/submit/861317"
        },
        {
          "tags": [
            "related"
          ],
          "url": "https://github.com/DefectDojo/django-DefectDojo/security/advisories/GHSA-w2j3-x3j3-mm43"
        },
        {
          "tags": [
            "issue-tracking",
            "patch"
          ],
          "url": "https://github.com/DefectDojo/django-DefectDojo/pull/14952"
        },
        {
          "tags": [
            "patch"
          ],
          "url": "https://github.com/DefectDojo/django-DefectDojo/commit/68a272f299d096249fd3ba9c2676bf69012857bf"
        },
        {
          "tags": [
            "patch"
          ],
          "url": "https://github.com/DefectDojo/django-DefectDojo/releases/tag/3.0.0"
        }
      ],
      "tags": [
        "x_open-source"
      ],
      "timeline": [
        {
          "lang": "en",
          "time": "2026-07-23T00:00:00.000Z",
          "value": "Advisory disclosed"
        },
        {
          "lang": "en",
          "time": "2026-07-23T02:00:00.000Z",
          "value": "VulDB entry created"
        },
        {
          "lang": "en",
          "time": "2026-07-23T16:18:15.000Z",
          "value": "VulDB entry last update"
        }
      ],
      "title": "OWASP DefectDojo API/Web serializers.py UserSerializer privileges management"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
    "assignerShortName": "VulDB",
    "cveId": "CVE-2026-16764",
    "datePublished": "2026-07-23T21:30:11.529Z",
    "dateReserved": "2026-07-23T14:12:06.687Z",
    "dateUpdated": "2026-07-24T14:39:30.521Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2026-16764",
      "date": "2026-07-24",
      "epss": "0.00233",
      "percentile": "0.14276"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2026-16764\",\"sourceIdentifier\":\"cna@vuldb.com\",\"published\":\"2026-07-23T22:16:52.077\",\"lastModified\":\"2026-07-24T20:45:45.697\",\"vulnStatus\":\"Deferred\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"A vulnerability was identified in OWASP DefectDojo 2.59.0. This issue affects the function UserSerializer of the file dojo/api_v2/serializers.py of the component API/Web. Such manipulation of the argument is_staff leads to improper privilege management. The attack may be performed from remote. The exploit is publicly available and might be used. Upgrading to version 2.58.3 and 3.0.0 is capable of addressing this issue. The name of the patch is 68a272f299d096249fd3ba9c2676bf69012857bf. It is advisable to upgrade the affected component. 2.59.0 was not intended to be released and has been removed.\"}],\"affected\":[{\"source\":\"cna@vuldb.com\",\"affectedData\":[{\"vendor\":\"OWASP\",\"product\":\"DefectDojo\",\"cpes\":[\"cpe:2.3:a:owasp:defectdojo:*:*:*:*:*:*:*:*\"],\"modules\":[\"API/Web\"],\"versions\":[{\"version\":\"2.59.0\",\"status\":\"affected\"},{\"version\":\"2.58.3\",\"status\":\"unaffected\"},{\"version\":\"3.0.0\",\"status\":\"unaffected\"}]}]}],\"metrics\":{\"cvssMetricV40\":[{\"source\":\"cna@vuldb.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"4.0\",\"vectorString\":\"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X\",\"baseScore\":2.1,\"baseSeverity\":\"LOW\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"attackRequirements\":\"NONE\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"vulnConfidentialityImpact\":\"LOW\",\"vulnIntegrityImpact\":\"LOW\",\"vulnAvailabilityImpact\":\"LOW\",\"subConfidentialityImpact\":\"NONE\",\"subIntegrityImpact\":\"NONE\",\"subAvailabilityImpact\":\"NONE\",\"exploitMaturity\":\"PROOF_OF_CONCEPT\",\"confidentialityRequirement\":\"NOT_DEFINED\",\"integrityRequirement\":\"NOT_DEFINED\",\"availabilityRequirement\":\"NOT_DEFINED\",\"modifiedAttackVector\":\"NOT_DEFINED\",\"modifiedAttackComplexity\":\"NOT_DEFINED\",\"modifiedAttackRequirements\":\"NOT_DEFINED\",\"modifiedPrivilegesRequired\":\"NOT_DEFINED\",\"modifiedUserInteraction\":\"NOT_DEFINED\",\"modifiedVulnConfidentialityImpact\":\"NOT_DEFINED\",\"modifiedVulnIntegrityImpact\":\"NOT_DEFINED\",\"modifiedVulnAvailabilityImpact\":\"NOT_DEFINED\",\"modifiedSubConfidentialityImpact\":\"NOT_DEFINED\",\"modifiedSubIntegrityImpact\":\"NOT_DEFINED\",\"modifiedSubAvailabilityImpact\":\"NOT_DEFINED\",\"Safety\":\"NOT_DEFINED\",\"Automatable\":\"NOT_DEFINED\",\"Recovery\":\"NOT_DEFINED\",\"valueDensity\":\"NOT_DEFINED\",\"vulnerabilityResponseEffort\":\"NOT_DEFINED\",\"providerUrgency\":\"NOT_DEFINED\"}}],\"cvssMetricV31\":[{\"source\":\"cna@vuldb.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L\",\"baseScore\":6.3,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"LOW\",\"integrityImpact\":\"LOW\",\"availabilityImpact\":\"LOW\"},\"exploitabilityScore\":2.8,\"impactScore\":3.4}],\"cvssMetricV2\":[{\"source\":\"cna@vuldb.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:L/Au:S/C:P/I:P/A:P\",\"baseScore\":6.5,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"SINGLE\",\"confidentialityImpact\":\"PARTIAL\",\"integrityImpact\":\"PARTIAL\",\"availabilityImpact\":\"PARTIAL\"},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":8.0,\"impactScore\":6.4,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}],\"ssvcV203\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"ssvcData\":{\"timestamp\":\"2026-07-24T14:39:17.945239Z\",\"id\":\"CVE-2026-16764\",\"options\":[{\"exploitation\":\"none\"},{\"automatable\":\"no\"},{\"technicalImpact\":\"partial\"}],\"role\":\"CISA Coordinator\",\"version\":\"2.0.3\"}}]},\"weaknesses\":[{\"source\":\"cna@vuldb.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-266\"},{\"lang\":\"en\",\"value\":\"CWE-269\"}]}],\"references\":[{\"url\":\"https://github.com/DefectDojo/django-DefectDojo/commit/68a272f299d096249fd3ba9c2676bf69012857bf\",\"source\":\"cna@vuldb.com\"},{\"url\":\"https://github.com/DefectDojo/django-DefectDojo/pull/14952\",\"source\":\"cna@vuldb.com\"},{\"url\":\"https://github.com/DefectDojo/django-DefectDojo/releases/tag/3.0.0\",\"source\":\"cna@vuldb.com\"},{\"url\":\"https://github.com/DefectDojo/django-DefectDojo/security/advisories/GHSA-w2j3-x3j3-mm43\",\"source\":\"cna@vuldb.com\"},{\"url\":\"https://vuldb.com/cve/CVE-2026-16764\",\"source\":\"cna@vuldb.com\"},{\"url\":\"https://vuldb.com/submit/861317\",\"source\":\"cna@vuldb.com\"},{\"url\":\"https://vuldb.com/vuln/382629\",\"source\":\"cna@vuldb.com\"},{\"url\":\"https://vuldb.com/vuln/382629/cti\",\"source\":\"cna@vuldb.com\"}]}}",
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2026-16764\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-07-24T14:39:17.945239Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-07-24T14:39:24.449Z\"}}], \"cna\": {\"tags\": [\"x_open-source\"], \"title\": \"OWASP DefectDojo API/Web serializers.py UserSerializer privileges management\", \"credits\": [{\"lang\": \"en\", \"type\": \"reporter\", \"value\": \"0xnosferatu (VulDB User)\"}, {\"lang\": \"en\", \"type\": \"coordinator\", \"value\": \"VulDB CNA Team\"}], \"metrics\": [{\"cvssV4_0\": {\"version\": \"4.0\", \"baseScore\": 5.3, \"baseSeverity\": \"MEDIUM\", \"vectorString\": \"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P\"}}, {\"cvssV3_1\": {\"version\": \"3.1\", \"baseScore\": 6.3, \"baseSeverity\": \"MEDIUM\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C\"}}, {\"cvssV3_0\": {\"version\": \"3.0\", \"baseScore\": 6.3, \"baseSeverity\": \"MEDIUM\", \"vectorString\": \"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C\"}}, {\"cvssV2_0\": {\"version\": \"2.0\", \"baseScore\": 6.5, \"vectorString\": \"AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:OF/RC:C\"}}], \"affected\": [{\"cpes\": [\"cpe:2.3:a:owasp:defectdojo:*:*:*:*:*:*:*:*\"], \"vendor\": \"OWASP\", \"modules\": [\"API/Web\"], \"product\": \"DefectDojo\", \"versions\": [{\"status\": \"affected\", \"version\": \"2.59.0\"}, {\"status\": \"unaffected\", \"version\": \"2.58.3\"}, {\"status\": \"unaffected\", \"version\": \"3.0.0\"}]}], \"timeline\": [{\"lang\": \"en\", \"time\": \"2026-07-23T00:00:00.000Z\", \"value\": \"Advisory disclosed\"}, {\"lang\": \"en\", \"time\": \"2026-07-23T02:00:00.000Z\", \"value\": \"VulDB entry created\"}, {\"lang\": \"en\", \"time\": \"2026-07-23T16:18:15.000Z\", \"value\": \"VulDB entry last update\"}], \"references\": [{\"url\": \"https://vuldb.com/vuln/382629\", \"name\": \"VDB-382629 | OWASP DefectDojo API/Web serializers.py UserSerializer privileges management\", \"tags\": [\"vdb-entry\", \"technical-description\"]}, {\"url\": \"https://vuldb.com/vuln/382629/cti\", \"name\": \"VDB-382629 | CTI Indicators (IOB, IOC, TTP, IOA)\", \"tags\": [\"signature\", \"permissions-required\"]}, {\"url\": \"https://vuldb.com/cve/CVE-2026-16764\", \"name\": \"CVE-2026-16764 | CVE Analysis and Report\", \"tags\": [\"third-party-advisory\"]}, {\"url\": \"https://vuldb.com/submit/861317\", \"name\": \"Submit #861317 | djangoproject django-DefectDojo 2.59.0 CWE-269 - Improper Privilege Management\", \"tags\": [\"third-party-advisory\"]}, {\"url\": \"https://github.com/DefectDojo/django-DefectDojo/security/advisories/GHSA-w2j3-x3j3-mm43\", \"tags\": [\"related\"]}, {\"url\": \"https://github.com/DefectDojo/django-DefectDojo/pull/14952\", \"tags\": [\"issue-tracking\", \"patch\"]}, {\"url\": \"https://github.com/DefectDojo/django-DefectDojo/commit/68a272f299d096249fd3ba9c2676bf69012857bf\", \"tags\": [\"patch\"]}, {\"url\": \"https://github.com/DefectDojo/django-DefectDojo/releases/tag/3.0.0\", \"tags\": [\"patch\"]}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"A vulnerability was identified in OWASP DefectDojo 2.59.0. This issue affects the function UserSerializer of the file dojo/api_v2/serializers.py of the component API/Web. Such manipulation of the argument is_staff leads to improper privilege management. The attack may be performed from remote. The exploit is publicly available and might be used. Upgrading to version 2.58.3 and 3.0.0 is capable of addressing this issue. The name of the patch is 68a272f299d096249fd3ba9c2676bf69012857bf. It is advisable to upgrade the affected component. 2.59.0 was not intended to be released and has been removed.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-269\", \"description\": \"Improper Privilege Management\"}]}, {\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-266\", \"description\": \"Incorrect Privilege Assignment\"}]}], \"providerMetadata\": {\"orgId\": \"1af790b2-7ee1-4545-860a-a788eba489b5\", \"shortName\": \"VulDB\", \"dateUpdated\": \"2026-07-23T21:30:11.529Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2026-16764\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-07-24T14:39:30.521Z\", \"dateReserved\": \"2026-07-23T14:12:06.687Z\", \"assignerOrgId\": \"1af790b2-7ee1-4545-860a-a788eba489b5\", \"datePublished\": \"2026-07-23T21:30:11.529Z\", \"assignerShortName\": \"VulDB\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}



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.