FKIE_CVE-2026-41178

Vulnerability from fkie_nvd - Published: 2026-06-04 16:16 - Updated: 2026-06-18 14:34
Severity
5.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Summary
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.
References
security-advisories@github.comhttps://github.com/open-telemetry/opentelemetry-go/pull/7880Issue Tracking, Patch
security-advisories@github.comhttps://github.com/open-telemetry/opentelemetry-go/security/advisories/GHSA-5wrp-cwcj-q835Issue Tracking, Patch, Vendor Advisory
134c704f-9b21-4f2e-91b3-4a467353bcc0https://github.com/open-telemetry/opentelemetry-go/security/advisories/GHSA-5wrp-cwcj-q835Issue Tracking, Patch, Vendor Advisory
Impacted products
Vendor Product Version
opentelemetry opentelemetry *
opentelemetry opentelemetry 1.43.0
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "go.opentelemetry.io/otel/baggage",
          "vendor": "open-telemetry",
          "versions": [
            {
              "status": "affected",
              "version": "= 1.41.0"
            },
            {
              "status": "affected",
              "version": "= 1.43.0"
            }
          ]
        },
        {
          "product": "go.opentelemetry.io/otel/propagation",
          "vendor": "open-telemetry",
          "versions": [
            {
              "status": "affected",
              "version": "= 1.41.0"
            },
            {
              "status": "affected",
              "version": "= 1.43.0"
            }
          ]
        }
      ],
      "source": "security-advisories@github.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:opentelemetry:opentelemetry:*:*:*:*:*:go:*:*",
              "matchCriteriaId": "162669E6-6DF4-4673-8120-9A0B3D9614A6",
              "versionEndExcluding": "1.42.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:opentelemetry:opentelemetry:1.43.0:*:*:*:*:go:*:*",
              "matchCriteriaId": "1417852C-0B60-4DED-A57B-5D346742643E",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "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."
    }
  ],
  "id": "CVE-2026-41178",
  "lastModified": "2026-06-18T14:34:48.420",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "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"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 1.4,
        "source": "security-advisories@github.com",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-41178",
          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-06-04T15:46:06.715583Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-06-04T16:16:37.297",
  "references": [
    {
      "source": "security-advisories@github.com",
      "tags": [
        "Issue Tracking",
        "Patch"
      ],
      "url": "https://github.com/open-telemetry/opentelemetry-go/pull/7880"
    },
    {
      "source": "security-advisories@github.com",
      "tags": [
        "Issue Tracking",
        "Patch",
        "Vendor Advisory"
      ],
      "url": "https://github.com/open-telemetry/opentelemetry-go/security/advisories/GHSA-5wrp-cwcj-q835"
    },
    {
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "tags": [
        "Issue Tracking",
        "Patch",
        "Vendor Advisory"
      ],
      "url": "https://github.com/open-telemetry/opentelemetry-go/security/advisories/GHSA-5wrp-cwcj-q835"
    }
  ],
  "sourceIdentifier": "security-advisories@github.com",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-789"
        }
      ],
      "source": "security-advisories@github.com",
      "type": "Secondary"
    }
  ]
}


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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
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