{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-41178",
        "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "state": "PUBLISHED",
        "assignerShortName": "GitHub_M",
        "dateReserved": "2026-04-17T16:34:45.526Z",
        "datePublished": "2026-06-04T14:38:23.707Z",
        "dateUpdated": "2026-06-04T15:46:11.923Z"
    },
    "containers": {
        "cna": {
            "title": "OpenTelemetry-Go's baggage parsing no longer caps raw header length",
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "cweId": "CWE-789",
                            "lang": "en",
                            "description": "CWE-789: Memory Allocation with Excessive Size Value",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "metrics": [
                {
                    "cvssV3_1": {
                        "attackComplexity": "LOW",
                        "attackVector": "NETWORK",
                        "availabilityImpact": "LOW",
                        "baseScore": 5.3,
                        "baseSeverity": "MEDIUM",
                        "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:L",
                        "version": "3.1"
                    }
                }
            ],
            "references": [
                {
                    "name": "https://github.com/open-telemetry/opentelemetry-go/security/advisories/GHSA-5wrp-cwcj-q835",
                    "tags": [
                        "x_refsource_CONFIRM"
                    ],
                    "url": "https://github.com/open-telemetry/opentelemetry-go/security/advisories/GHSA-5wrp-cwcj-q835"
                },
                {
                    "name": "https://github.com/open-telemetry/opentelemetry-go/pull/7880",
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://github.com/open-telemetry/opentelemetry-go/pull/7880"
                }
            ],
            "affected": [
                {
                    "vendor": "open-telemetry",
                    "product": "go.opentelemetry.io/otel/baggage",
                    "versions": [
                        {
                            "version": "= 1.41.0",
                            "status": "affected"
                        },
                        {
                            "version": "= 1.43.0",
                            "status": "affected"
                        }
                    ]
                },
                {
                    "vendor": "open-telemetry",
                    "product": "go.opentelemetry.io/otel/propagation",
                    "versions": [
                        {
                            "version": "= 1.41.0",
                            "status": "affected"
                        },
                        {
                            "version": "= 1.43.0",
                            "status": "affected"
                        }
                    ]
                }
            ],
            "providerMetadata": {
                "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
                "shortName": "GitHub_M",
                "dateUpdated": "2026-06-04T14:38:23.707Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "OpenTelemetry-Go is the Go implementation of OpenTelemetry. Versions 1.41.0 and 1.43.0 removed raw-length rejection and it causes `Parse` to process arbitrarily large/invalid baggage headers and log errors, enabling DoS via oversized inputs. Versions 1.42.0 and 1.44.0 fix the issue."
                }
            ],
            "source": {
                "advisory": "GHSA-5wrp-cwcj-q835",
                "discovery": "UNKNOWN"
            }
        },
        "adp": [
            {
                "references": [
                    {
                        "url": "https://github.com/open-telemetry/opentelemetry-go/security/advisories/GHSA-5wrp-cwcj-q835",
                        "tags": [
                            "exploit"
                        ]
                    }
                ],
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2026-06-04T15:46:06.715583Z",
                                "id": "CVE-2026-41178",
                                "options": [
                                    {
                                        "Exploitation": "poc"
                                    },
                                    {
                                        "Automatable": "yes"
                                    },
                                    {
                                        "Technical Impact": "partial"
                                    }
                                ],
                                "role": "CISA Coordinator",
                                "version": "2.0.3"
                            }
                        }
                    }
                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
                    "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
                    "shortName": "CISA-ADP",
                    "dateUpdated": "2026-06-04T15:46:11.923Z"
                }
            }
        ]
    }
}