CVE-2026-114230

Full vulnerability record from the local CVENow database.

Description

When dispatching SASL frames to authenticate the peer, Proton will also dispatch AMQP frames if they claim to be SASL frames. This allows authentication bypass. However there will be no user name set so the effects depend on how the application deals with this condition - which otherwise means that authentication has not completed yet. This issue affects Apache Qpid Proton C: through 0.40.0. Users are recommended to upgrade to version 0.41.1, which fixes the issue.

Severity

Not scored

CVSS score

Not available

Vulnerability status

Deferred

Source identifier

[email protected]

Published

2026-10-29 11:17:28.210000

Last modified

2026-10-29 15:43:33.310000

View original CVE JSON

{
  "id": "CVE-2026-114230",
  "sourceIdentifier": "[email protected]",
  "published": "2026-10-29T11:17:28.210",
  "lastModified": "2026-10-29T15:43:33.310",
  "vulnStatus": "Deferred",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "When dispatching SASL frames to authenticate the peer, Proton will also dispatch AMQP frames if they claim to be SASL frames. This allows authentication bypass. However there will be no user name set so the effects depend on how the application deals with this condition - which otherwise means that authentication has not completed yet.\n\n\n\nThis issue affects Apache Qpid Proton C: through 0.40.0.\n\n\n\nUsers are recommended to upgrade to version 0.41.1, which fixes the issue."
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "vendor": "Apache Software Foundation",
          "product": "Apache Qpid Proton C",
          "defaultStatus": "unaffected",
          "packageURL": "pkg:software-id/apache.org/qpid-proton",
          "versions": [
            {
              "version": "0",
              "lessThanOrEqual": "0.40.0",
              "versionType": "semver",
              "status": "affected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {},
  "weaknesses": [
    {
      "source": "[email protected]",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-305"
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://lists.apache.org/thread.html/ob7vo6swpj4wbb2m3zq9q2vkwfg5dg8k",
      "source": "[email protected]"
    },
    {
      "url": "http://www.openwall.com/lists/oss-security/2026/10/28/24",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ]
}