Vulnerability-Lookup

CVE-2026-23822 (GCVE-0-2026-23822)

Vulnerability from cvelistv5 – Published: 2026-05-12 18:37 – Updated: 2026-05-12 19:25

Title

Unauthenticated XML External Entity Injection in AOS-8 Instant allows Denial of Service

Summary

A vulnerability in the XML handling component of AOS-8 DHCP services could allow an unauthenticated remote attacker to trigger a denial-of-service condition. Successful exploitation could allow an attacker to cause excessive resource consumption upon user interaction, leading to service disruption or reduced availability of the affected system. NOTE: This vulnerability only impacts Access Points running AOS Instant 8.x.x.x

Severity

5.3 (Medium)


                        
                          CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-05-12 19:25 UTC

CWE

CWE-776 - Improper Restriction of Recursive Entity References in DTDs ('XML Entity Expansion')

Assigner

hpe mitre root

References

1 reference

URL	Tags
https://support.hpe.com/hpesc/public/docDisplay?d…

Impacted products

1 product

Vendor	Product	Version	CPE status
Hewlett Packard Enterprise (HPE)	ArubaOS (AOS)	Affected: 8.13.0.0 , ≤ 8.13.1.1 (semver) Affected: 8.12.0.0 , ≤ 8.12.0.6 (semver) Affected: 8.10.0.0 , ≤ 8.10.0.21 (semver)	guessed

Credits

Nicholas Starke

Show details on NVD website

JSON

To clipboard

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CERTFR-2026-AVI-0573

Vulnerability from certfr_avis - Published: 2026-05-13 - Updated: 2026-05-13

De multiples vulnérabilités ont été découvertes dans les produits HPE Aruba Networking. Certaines d'entre elles permettent à un attaquant de provoquer une exécution de code arbitraire à distance, un déni de service à distance et une atteinte à la confidentialité des données.

Solutions

Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).

Impacted products

Vendor	Product	Description
HPE Aruba Networking	AOS	ArubaOS versions 10.8.x antérieures à AOS-10.8.0.1
HPE Aruba Networking	AOS	ArubaOS versions 10.7.x antérieures à AOS-10.7.2.3
HPE Aruba Networking	AOS	ArubaOS versions 8.13.x antérieures à AOS-8.13.1.2
HPE Aruba Networking	AOS	ArubaOS versions 8.12.x antérieures à AOS-8.12.0.7
HPE Aruba Networking	AOS	ArubaOS versions 8.10.x antérieures à AOS-8.10.0.22
HPE Aruba Networking	AOS	ArubaOS versions 10.4.x antérieures à AOS-10.4.1.11

References

Title

Publication Time

Tags

Bulletin de sécurité HPE Aruba Networking HPESBNW05048	2026-05-12	vendor-advisory
Bulletin de sécurité HPE Aruba Networking HPESBNW05049	2026-05-12	vendor-advisory

Show details on source website

JSON

To clipboard

{
  "$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
  "affected_systems": [
    {
      "description": "ArubaOS  versions 10.8.x ant\u00e9rieures \u00e0 AOS-10.8.0.1",
      "product": {
        "name": "AOS",
        "vendor": {
          "name": "HPE Aruba Networking",
          "scada": false
        }
      }
    },
    {
      "description": "ArubaOS versions 10.7.x ant\u00e9rieures \u00e0 AOS-10.7.2.3",
      "product": {
        "name": "AOS",
        "vendor": {
          "name": "HPE Aruba Networking",
          "scada": false
        }
      }
    },
    {
      "description": "ArubaOS versions 8.13.x ant\u00e9rieures \u00e0 AOS-8.13.1.2",
      "product": {
        "name": "AOS",
        "vendor": {
          "name": "HPE Aruba Networking",
          "scada": false
        }
      }
    },
    {
      "description": "ArubaOS versions 8.12.x ant\u00e9rieures \u00e0 AOS-8.12.0.7",
      "product": {
        "name": "AOS",
        "vendor": {
          "name": "HPE Aruba Networking",
          "scada": false
        }
      }
    },
    {
      "description": "ArubaOS versions 8.10.x ant\u00e9rieures \u00e0 AOS-8.10.0.22",
      "product": {
        "name": "AOS",
        "vendor": {
          "name": "HPE Aruba Networking",
          "scada": false
        }
      }
    },
    {
      "description": "ArubaOS versions 10.4.x ant\u00e9rieures \u00e0 AOS-10.4.1.11",
      "product": {
        "name": "AOS",
        "vendor": {
          "name": "HPE Aruba Networking",
          "scada": false
        }
      }
    }
  ],
  "affected_systems_content": "",
  "content": "## Solutions\n\nSe r\u00e9f\u00e9rer au bulletin de s\u00e9curit\u00e9 de l\u0027\u00e9diteur pour l\u0027obtention des correctifs (cf. section Documentation).",
  "cves": [
    {
      "name": "CVE-2026-44854",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-44854"
    },
    {
      "name": "CVE-2026-23823",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-23823"
    },
    {
      "name": "CVE-2026-44868",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-44868"
    },
    {
      "name": "CVE-2026-44852",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-44852"
    },
    {
      "name": "CVE-2026-23824",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-23824"
    },
    {
      "name": "CVE-2026-44856",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-44856"
    },
    {
      "name": "CVE-2026-44872",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-44872"
    },
    {
      "name": "CVE-2026-44864",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-44864"
    },
    {
      "name": "CVE-2026-44861",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-44861"
    },
    {
      "name": "CVE-2026-23827",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-23827"
    },
    {
      "name": "CVE-2026-44866",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-44866"
    },
    {
      "name": "CVE-2026-23826",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-23826"
    },
    {
      "name": "CVE-2026-44869",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-44869"
    },
    {
      "name": "CVE-2026-44858",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-44858"
    },
    {
      "name": "CVE-2026-44857",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-44857"
    },
    {
      "name": "CVE-2026-44873",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-44873"
    },
    {
      "name": "CVE-2026-44874",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-44874"
    },
    {
      "name": "CVE-2026-44865",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-44865"
    },
    {
      "name": "CVE-2026-23821",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-23821"
    },
    {
      "name": "CVE-2026-23819",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-23819"
    },
    {
      "name": "CVE-2026-44853",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-44853"
    },
    {
      "name": "CVE-2026-44863",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-44863"
    },
    {
      "name": "CVE-2026-44855",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-44855"
    },
    {
      "name": "CVE-2026-44859",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-44859"
    },
    {
      "name": "CVE-2026-44862",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-44862"
    },
    {
      "name": "CVE-2026-23825",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-23825"
    },
    {
      "name": "CVE-2026-23820",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-23820"
    },
    {
      "name": "CVE-2026-44867",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-44867"
    },
    {
      "name": "CVE-2026-44870",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-44870"
    },
    {
      "name": "CVE-2026-23822",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-23822"
    },
    {
      "name": "CVE-2026-44860",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-44860"
    }
  ],
  "initial_release_date": "2026-05-13T00:00:00",
  "last_revision_date": "2026-05-13T00:00:00",
  "links": [],
  "reference": "CERTFR-2026-AVI-0573",
  "revisions": [
    {
      "description": "Version initiale",
      "revision_date": "2026-05-13T00:00:00.000000"
    }
  ],
  "risks": [
    {
      "description": "D\u00e9ni de service \u00e0 distance"
    },
    {
      "description": "Injection de code indirecte \u00e0 distance (XSS)"
    },
    {
      "description": "Ex\u00e9cution de code arbitraire \u00e0 distance"
    },
    {
      "description": "Injection SQL (SQLi)"
    },
    {
      "description": "Contournement de la politique de s\u00e9curit\u00e9"
    },
    {
      "description": "Atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es"
    }
  ],
  "summary": "De multiples vuln\u00e9rabilit\u00e9s ont \u00e9t\u00e9 d\u00e9couvertes dans les produits HPE Aruba Networking. Certaines d\u0027entre elles permettent \u00e0 un attaquant de provoquer une ex\u00e9cution de code arbitraire \u00e0 distance, un d\u00e9ni de service \u00e0 distance et une atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es.",
  "title": "Multiples vuln\u00e9rabilit\u00e9s dans les produits HPE Aruba Networking",
  "vendor_advisories": [
    {
      "published_at": "2026-05-12",
      "title": "Bulletin de s\u00e9curit\u00e9 HPE Aruba Networking HPESBNW05048",
      "url": "https://csaf.arubanetworking.hpe.com/2026/hpe_aruba_networking_-_hpesbnw05048.txt"
    },
    {
      "published_at": "2026-05-12",
      "title": "Bulletin de s\u00e9curit\u00e9 HPE Aruba Networking HPESBNW05049",
      "url": "https://csaf.arubanetworking.hpe.com/2026/hpe_aruba_networking_-_hpesbnw05049.txt"
    }
  ]
}

FKIE_CVE-2026-23822

Vulnerability from fkie_nvd - Published: 2026-05-12 19:16 - Updated: 2026-08-12 18:41

Severity

5.3 (Medium) - CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H

Summary

References

	URL	Tags
	security-alert@hpe.com	https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05049en_us&docLocale=en_US	Vendor Advisory

Impacted products

Vendor	Product	Version
arubanetworks	arubaos	*
arubanetworks	arubaos	*
arubanetworks	arubaos	*
arubanetworks	arubaos	*

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "affected",
          "product": "ArubaOS (AOS)",
          "vendor": "Hewlett Packard Enterprise (HPE)",
          "versions": [
            {
              "lessThanOrEqual": "8.13.1.1",
              "status": "affected",
              "version": "8.13.0.0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "8.12.0.6",
              "status": "affected",
              "version": "8.12.0.0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "8.10.0.21",
              "status": "affected",
              "version": "8.10.0.0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "source": "security-alert@hpe.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:arubanetworks:arubaos:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "6613D8AD-30A5-4ED5-9565-D76F103851FE",
              "versionEndIncluding": "6.5.4.24",
              "versionStartIncluding": "6.4.0.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:arubanetworks:arubaos:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "2C1E997D-5392-4DB6-98E5-4DA308B81446",
              "versionEndExcluding": "8.10.0.22",
              "versionStartIncluding": "8.4.0.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:arubanetworks:arubaos:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "6B106E8F-BD70-4427-8B0B-BE6A060DA43A",
              "versionEndExcluding": "8.12.0.7",
              "versionStartIncluding": "8.11.0.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:arubanetworks:arubaos:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "0CA7BD88-F241-4D60-9BA7-7409A1E435CC",
              "versionEndExcluding": "8.13.1.2",
              "versionStartIncluding": "8.13.0.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A vulnerability in the XML handling component of AOS-8 DHCP services could allow an unauthenticated remote attacker to trigger a denial-of-service condition. Successful exploitation could allow an attacker to cause excessive resource consumption upon user interaction, leading to service disruption or reduced availability of the affected system.\n\n\n\n\n\n\n\n\nNOTE: This vulnerability only impacts Access Points running AOS Instant 8.x.x.x"
    }
  ],
  "id": "CVE-2026-23822",
  "lastModified": "2026-08-12T18:41:42.987",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 5.3,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.6,
        "impactScore": 3.6,
        "source": "security-alert@hpe.com",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-23822",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-05-12T19:25:52.086668Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-05-12T19:16:28.947",
  "references": [
    {
      "source": "security-alert@hpe.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05049en_us\u0026docLocale=en_US"
    }
  ],
  "sourceIdentifier": "security-alert@hpe.com",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-776"
        }
      ],
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "type": "Secondary"
    }
  ]
}

GHSA-XRFM-M363-M483

Vulnerability from github – Published: 2026-05-12 21:31 – Updated: 2026-05-12 21:31

Details

NOTE: This vulnerability only impacts Access Points running AOS Instant 8.x.x.x

Severity

5.3 (Medium)


                  
                    CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2026-23822"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-776"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-05-12T19:16:28Z",
    "severity": "MODERATE"
  },
  "details": "A vulnerability in the XML handling component of AOS-8 DHCP services could allow an unauthenticated remote attacker to trigger a denial-of-service condition. Successful exploitation could allow an attacker to cause excessive resource consumption upon user interaction, leading to service disruption or reduced availability of the affected system.\n\n\n\n\n\n\n\n\nNOTE: This vulnerability only impacts Access Points running AOS Instant 8.x.x.x",
  "id": "GHSA-xrfm-m363-m483",
  "modified": "2026-05-12T21:31:33Z",
  "published": "2026-05-12T21:31:33Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-23822"
    },
    {
      "type": "WEB",
      "url": "https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05049en_us\u0026docLocale=en_US"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}

WID-SEC-W-2026-1515

Vulnerability from csaf_certbund - Published: 2026-05-12 22:00 - Updated: 2026-05-12 22:00

Summary

Aruba AOS-8 Instant AP und AOS-10 AP: Mehrere Schwachstellen

Severity

Hoch

Scope

5 vulnerabilities in this advisory, including CVE-2026-23822.

CVE-2026-23822

Known affected: 3 products

Open the full advisory

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.

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

CVE-2026-23822 (GCVE-0-2026-23822)

CERTFR-2026-AVI-0573

Solutions

FKIE_CVE-2026-23822

GHSA-XRFM-M363-M483

WID-SEC-W-2026-1515

Tags

Sightings

Nomenclature

Related by attack behaviour