Vulnerability-Lookup

CVE-2026-16308 (GCVE-0-2026-16308)

Vulnerability from cvelistv5 – Published: 2026-07-30 14:04 – Updated: 2026-07-30 16:20

Title

IBM Enterprise Build of Quarkus is affected by a DoS vulnerability

Summary

IBM Enterprise Build of Quarkus 3.27.1 through 3.27.4.SP2, and 3.33.1 through 3.33.2.SP2 Quarkus REST could allow a remote attacker to cause a denial of service due to unbounded accumulation of multipart MIME part-header bytes.

Severity

7.5 (High)


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

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-07-30 16:19 UTC

CWE

CWE-770 - Allocation of Resources Without Limits or Throttling

Assigner

ibm CNA under the mitre root

CNA scorecard B 88/100 over 1289 records in the last 180 days details

References

1 reference

URL	Tags
https://www.ibm.com/support/pages/node/7281904	vendor-advisorypatch

Impacted products

1 product

Vendor	Product	Version	CPE status
IBM	Enterprise Build of Quarkus	Affected: 3.27.1 , ≤ 3.27.4.SP2 (semver) Affected: 3.33.1 , ≤ 3.33.2.SP2 (semver) cpe:2.3:a:ibm:enterprise_build_of_quarkus:3.27.1:::::::* cpe:2.3:a:ibm:enterprise_build_of_quarkus:3.27.4.sp2:::::::* cpe:2.3:a:ibm:enterprise_build_of_quarkus:3.27.4.sp2:sp2:::::: cpe:2.3:a:ibm:enterprise_build_of_quarkus:3.33.1:::::::* cpe:2.3:a:ibm:enterprise_build_of_quarkus:3.33.2.sp2:::::::* cpe:2.3:a:ibm:enterprise_build_of_quarkus:3.33.2.sp2:sp2::::::

Credits

Mike Read (JP Morgan)

Show details on NVD website

JSON

To clipboard

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CLEANSTART-2026-HA32979 (CVE-2026-16308)

Vulnerability from cleanstart – Published: 2026-10-20 00:38 – Updated: 2026-10-19 13:20 – Source website

Summary

IBM Enterprise Build of Quarkus 3

Details

Security vulnerability affects the keycloak package. IBM Enterprise Build of Quarkus 3.

Severity

7.5 (High)


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

References

URL

Type

	https://github.com/cleanstart-dev/cleanstart-secu…	ADVISORY
	https://osv.dev/vulnerability/CVE-2026-16308	WEB
	https://nvd.nist.gov/vuln/detail/CVE-2026-16308	WEB

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "CleanStart",
        "name": "keycloak",
        "purl": "pkg:apk/cleanstart/keycloak"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "26.4.2-r1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "credits": [],
  "database_specific": {},
  "details": "Security vulnerability affects the keycloak package. IBM Enterprise Build of Quarkus 3.",
  "id": "CLEANSTART-2026-HA32979",
  "modified": "2026-10-19T13:20:58Z",
  "published": "2026-10-20T00:38:34.372002Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/cleanstart-dev/cleanstart-security-advisories/tree/main/advisories/2026/CLEANSTART-2026-HA32979.json"
    },
    {
      "type": "WEB",
      "url": "https://osv.dev/vulnerability/CVE-2026-16308"
    },
    {
      "type": "WEB",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-16308"
    }
  ],
  "related": [],
  "schema_version": "1.7.3",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "IBM Enterprise Build of Quarkus 3",
  "upstream": [
    "CVE-2026-16308"
  ]
}

FKIE_CVE-2026-16308

Vulnerability from fkie_nvd - Published: 2026-07-30 15:16 - Updated: 2026-10-23 22:10

Severity

7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Summary

References

	URL	Tags
	psirt@us.ibm.com	https://www.ibm.com/support/pages/node/7281904

Impacted products

	Vendor	Product	Version

JSON

To clipboard

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              "lessThanOrEqual": "3.33.2.SP2",
              "status": "affected",
              "version": "3.33.1",
              "versionType": "semver"
            }
          ]
        }
      ],
      "source": "psirt@us.ibm.com"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "IBM Enterprise Build of Quarkus 3.27.1 through 3.27.4.SP2, and 3.33.1 through 3.33.2.SP2 Quarkus REST could allow a remote attacker to cause a denial of service due to unbounded accumulation of multipart MIME part-header bytes."
    },
    {
      "lang": "es",
      "value": "La Construcci\u00f3n empresarial de IBM de Quarkus 3.27.1 hasta 3.27.4.SP2, y 3.33.1 hasta 3.33.2.SP2 Quarkus REST podr\u00eda permitir a un atacante remoto causar una denegaci\u00f3n de servicio debido a la acumulaci\u00f3n ilimitada de bytes de encabezado de parte MIME multiparte."
    }
  ],
  "id": "CVE-2026-16308",
  "lastModified": "2026-10-23T22:10:00.160",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6,
        "source": "psirt@us.ibm.com",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-16308",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-07-30T16:19:53.535229Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-07-30T15:16:26.910",
  "references": [
    {
      "source": "psirt@us.ibm.com",
      "url": "https://www.ibm.com/support/pages/node/7281904"
    }
  ],
  "sourceIdentifier": "psirt@us.ibm.com",
  "vulnStatus": "Awaiting Analysis",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-770"
        }
      ],
      "source": "psirt@us.ibm.com",
      "type": "Secondary"
    }
  ]
}

GHSA-G8RV-GP9F-Q875

Vulnerability from github – Published: 2026-07-30 15:31 – Updated: 2026-07-30 15:31

Details

Severity

7.5 (High)


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

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2026-16308"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-770"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-07-30T15:16:26Z",
    "severity": "HIGH"
  },
  "details": "IBM Enterprise Build of Quarkus 3.27.1 through 3.27.4.SP2, and 3.33.1 through 3.33.2.SP2 Quarkus REST could allow a remote attacker to cause a denial of service due to unbounded accumulation of multipart MIME part-header bytes.",
  "id": "GHSA-g8rv-gp9f-q875",
  "modified": "2026-07-30T15:31:52Z",
  "published": "2026-07-30T15:31:52Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-16308"
    },
    {
      "type": "WEB",
      "url": "https://www.ibm.com/support/pages/node/7281904"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}

RHSA-2026:47172

Vulnerability from csaf_redhat - Published: 2026-07-30 01:40 - Updated: 2026-10-22 20:39

Summary

Red Hat Security Advisory: Red Hat build of Quarkus 3.33.2.SP3 security update

Severity

Important

Scope

13 vulnerabilities in this advisory, including CVE-2026-16308.

CVE-2026-16308

A flaw was found in Quarkus REST. An unauthenticated remote attacker can exploit this vulnerability by sending a crafted multipart/form-data request with an excessively large header section. This unbounded accumulation of MIME part-header bytes can exhaust the Java Virtual Machine (JVM) heap memory, leading to an OutOfMemoryError. The primary consequence is a denial of service, causing the application to crash.

7.5 (High)


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

Fixed: 1 product Known not affected: 1041 products

https://access.redhat.com/errata/RHSA-2026:47172

Open the full advisory

RHSA-2026:47189

Vulnerability from csaf_redhat - Published: 2026-07-29 14:54 - Updated: 2026-10-22 20:39

Summary

Red Hat Security Advisory: Red Hat build of Quarkus 3.27.4.SP3 security update

Severity

Important

Scope

13 vulnerabilities in this advisory, including CVE-2026-16308.

CVE-2026-16308

7.5 (High)


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

Fixed: 1 product Known not affected: 1032 products

https://access.redhat.com/errata/RHSA-2026:47189

Open the full advisory

RHSA-2026:48118

Vulnerability from csaf_redhat - Published: 2026-07-30 07:44 - Updated: 2026-10-22 20:39

Summary

Red Hat Security Advisory: Red Hat Build of Apache Camel 4.18.3 for Quarkus 3.33 update is now available (RHBQ 3.33.2.SP3)

Severity

Important

Scope

15 vulnerabilities in this advisory, including CVE-2026-16308.

CVE-2026-16308

7.5 (High)


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

Fixed: 1 product Known not affected: 1657 products

https://access.redhat.com/errata/RHSA-2026:48118

Open the full advisory

RHSA-2026:50846

Vulnerability from csaf_redhat - Published: 2026-08-05 16:17 - Updated: 2026-10-23 17:17

Summary

Red Hat Security Advisory: Red Hat build of Keycloak 26.4.14 Security Update

Severity

Important

Scope

26 vulnerabilities in this advisory, including CVE-2026-16308.

CVE-2026-16308

7.5 (High)


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

Fixed: 1 product

https://access.redhat.com/errata/RHSA-2026:50846

Open the full advisory

RHSA-2026:50847

Vulnerability from csaf_redhat - Published: 2026-08-05 16:20 - Updated: 2026-10-23 17:17

Summary

Red Hat Security Advisory: Red Hat build of Keycloak 26.4.14 Images Security Update

Severity

Important

Scope

17 vulnerabilities in this advisory, including CVE-2026-16308.

CVE-2026-16308

7.5 (High)


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

Fixed: 9 products

https://access.redhat.com/errata/RHSA-2026:50847

Open the full advisory

RHSA-2026:50848

Vulnerability from csaf_redhat - Published: 2026-08-05 16:17 - Updated: 2026-10-23 17:17

Summary

Red Hat Security Advisory: Red Hat build of Keycloak 26.6.5 Security Update

Severity

Important

Scope

29 vulnerabilities in this advisory, including CVE-2026-16308.

CVE-2026-16308

7.5 (High)


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

Fixed: 1 product

https://access.redhat.com/errata/RHSA-2026:50848

Open the full advisory

RHSA-2026:50849

Vulnerability from csaf_redhat - Published: 2026-08-05 16:20 - Updated: 2026-10-23 17:17

Summary

Red Hat Security Advisory: Red Hat build of Keycloak 26.6.5 Images Security Update

Severity

Important

Scope

19 vulnerabilities in this advisory, including CVE-2026-16308.

CVE-2026-16308

7.5 (High)


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

Fixed: 9 products

https://access.redhat.com/errata/RHSA-2026:50849

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.

Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

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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-2026-16308 (GCVE-0-2026-16308)

CLEANSTART-2026-HA32979 (CVE-2026-16308)

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Nomenclature

Vulnerability timeline

Related by attack behaviour