Vulnerability-Lookup

UBUNTU-CVE-2026-77408 (CVE-2026-77408)

Vulnerability from osv_ubuntu – Published: 2026-09-16 15:17 – Updated: 2026-10-28 17:42 – Source website

Details

RabbitMQ amqp091-go is a Go AMQP 0.9.1 client. Prior to 1.13.0, the writeShortstr function in write.go casts the byte length of AMQP shortstr property values to uint8 without first rejecting values longer than 255 bytes. An application that accepts an oversized CorrelationId, ReplyTo, MessageId, Expiration, UserId, AppId, ContentType, ContentEncoding, or Type value can therefore serialize a wrapped length and only a truncated prefix, while reporting no error. The resulting silent metadata corruption can break request and reply correlation, routing, tracing, and downstream message processing. This issue is fixed in version 1.13.0.

Severity

9.1 (Critical)


                    
                      CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:H/VA:H/SC:L/SI:H/SA:L

N/A (UNKNOWN)


                    
                      medium

References

URL

Type

	https://ubuntu.com/security/CVE-2026-77408	REPORT
	https://www.cve.org/CVERecord?id=CVE-2026-77408	REPORT
	https://github.com/rabbitmq/amqp091-go/security/a…	REPORT
	https://github.com/rabbitmq/amqp091-go/pull/354	REPORT
	https://github.com/rabbitmq/amqp091-go/commit/695…	REPORT

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "golang-github-rabbitmq-amqp091-go-dev",
            "binary_version": "1.9.0-1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:24.04:LTS",
        "name": "golang-github-rabbitmq-amqp091-go",
        "purl": "pkg:deb/ubuntu/golang-github-rabbitmq-amqp091-go@1.9.0-1?arch=source\u0026distro=noble"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.8.1-2",
        "1.9.0-1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "golang-github-rabbitmq-amqp091-go-dev",
            "binary_version": "1.12.0-1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:26.10",
        "name": "golang-github-rabbitmq-amqp091-go",
        "purl": "pkg:deb/ubuntu/golang-github-rabbitmq-amqp091-go@1.12.0-1?arch=source\u0026distro=stonking"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.10.0-1",
        "1.11.0-1",
        "1.12.0-1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "golang-github-rabbitmq-amqp091-go-dev",
            "binary_version": "1.10.0-1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:26.04:LTS",
        "name": "golang-github-rabbitmq-amqp091-go",
        "purl": "pkg:deb/ubuntu/golang-github-rabbitmq-amqp091-go@1.10.0-1?arch=source\u0026distro=resolute"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.10.0-1"
      ]
    }
  ],
  "aliases": [],
  "details": "RabbitMQ amqp091-go is a Go AMQP 0.9.1 client. Prior to 1.13.0, the writeShortstr function in write.go casts the byte length of AMQP shortstr property values to uint8 without first rejecting values longer than 255 bytes. An application that accepts an oversized CorrelationId, ReplyTo, MessageId, Expiration, UserId, AppId, ContentType, ContentEncoding, or Type value can therefore serialize a wrapped length and only a truncated prefix, while reporting no error. The resulting silent metadata corruption can break request and reply correlation, routing, tracing, and downstream message processing. This issue is fixed in version 1.13.0.",
  "id": "UBUNTU-CVE-2026-77408",
  "modified": "2026-10-28T17:42:50Z",
  "published": "2026-09-16T15:17:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2026-77408"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-77408"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/rabbitmq/amqp091-go/security/advisories/GHSA-j497-x9hr-x34x"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/rabbitmq/amqp091-go/pull/354"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/rabbitmq/amqp091-go/commit/6959423aa2784a1971e399175dfb2065dea0f3b0"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:H/VA:H/SC:L/SI:H/SA:L",
      "type": "CVSS_V4"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2026-77408"
  ]
}

CVE-2026-77408 (GCVE-0-2026-77408)

Vulnerability from cvelistv5 – Published: 2026-09-16 14:30 – Updated: 2026-09-16 15:01

Title

RabbitMQ amqp091-go: Silent Data Truncation and State Corruption via Shortstr Integer Overflow

Summary

Severity

9.1 (Critical)


                        
                          CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:H/VA:H/SC:L/SI:H/SA:L

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-09-16 15:01 UTC

CWE

CWE-190 - Integer Overflow or Wraparound

Assigner

GitHub_M CNA under the mitre root

CNA scorecard C 72/100 over 8035 records in the last 180 days details

References

4 references

URL	Tags
https://github.com/rabbitmq/amqp091-go/security/a…	x_refsource_CONFIRM
https://github.com/rabbitmq/amqp091-go/pull/354	x_refsource_MISC
https://github.com/rabbitmq/amqp091-go/commit/695…	x_refsource_MISC
https://github.com/rabbitmq/amqp091-go/releases/t…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
rabbitmq	amqp091-go	Affected: < 1.13.0

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-77408",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-09-16T15:01:12.890594Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-09-16T15:01:27.706Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "amqp091-go",
          "vendor": "rabbitmq",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c 1.13.0"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "RabbitMQ amqp091-go is a Go AMQP 0.9.1 client. Prior to 1.13.0, the writeShortstr function in write.go casts the byte length of AMQP shortstr property values to uint8 without first rejecting values longer than 255 bytes. An application that accepts an oversized CorrelationId, ReplyTo, MessageId, Expiration, UserId, AppId, ContentType, ContentEncoding, or Type value can therefore serialize a wrapped length and only a truncated prefix, while reporting no error. The resulting silent metadata corruption can break request and reply correlation, routing, tracing, and downstream message processing. This issue is fixed in version 1.13.0."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "attackComplexity": "LOW",
            "attackRequirements": "PRESENT",
            "attackVector": "NETWORK",
            "baseScore": 9.1,
            "baseSeverity": "CRITICAL",
            "privilegesRequired": "NONE",
            "subAvailabilityImpact": "LOW",
            "subConfidentialityImpact": "LOW",
            "subIntegrityImpact": "HIGH",
            "userInteraction": "NONE",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:H/VA:H/SC:L/SI:H/SA:L",
            "version": "4.0",
            "vulnAvailabilityImpact": "HIGH",
            "vulnConfidentialityImpact": "LOW",
            "vulnIntegrityImpact": "HIGH"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-190",
              "description": "CWE-190: Integer Overflow or Wraparound",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-09-16T14:30:47.924Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "references": [
        {
          "name": "https://github.com/rabbitmq/amqp091-go/security/advisories/GHSA-j497-x9hr-x34x",
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/rabbitmq/amqp091-go/security/advisories/GHSA-j497-x9hr-x34x"
        },
        {
          "name": "https://github.com/rabbitmq/amqp091-go/pull/354",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/rabbitmq/amqp091-go/pull/354"
        },
        {
          "name": "https://github.com/rabbitmq/amqp091-go/commit/6959423aa2784a1971e399175dfb2065dea0f3b0",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/rabbitmq/amqp091-go/commit/6959423aa2784a1971e399175dfb2065dea0f3b0"
        },
        {
          "name": "https://github.com/rabbitmq/amqp091-go/releases/tag/v1.13.0",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/rabbitmq/amqp091-go/releases/tag/v1.13.0"
        }
      ],
      "source": {
        "advisory": "GHSA-j497-x9hr-x34x",
        "discovery": "UNKNOWN"
      },
      "title": "RabbitMQ amqp091-go: Silent Data Truncation and State Corruption via Shortstr Integer Overflow"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2026-77408",
    "datePublished": "2026-09-16T14:30:03.731Z",
    "dateReserved": "2026-08-20T19:55:27.023Z",
    "dateUpdated": "2026-09-16T15:01:27.706Z",
    "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

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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.

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