{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "cpe": "cpe:2.3:a:opentelemetry:opentelemetry:*:*:*:*:*:go:*:*",
            "extracted_events": [
              {
                "introduced": "1.15.0"
              },
              {
                "fixed": "1.43.0"
              }
            ],
            "source": [
              "AFFECTED_FIELD",
              "CPE_RANGE",
              "REFERENCES"
            ]
          },
          "events": [
            {
              "introduced": "8e76ab23b495ce2411d936b497fb8f1a9b35f974"
            },
            {
              "fixed": "9276201a64b623606e3eaa0d61ae8ee6d62756c0"
            }
          ],
          "repo": "https://github.com/open-telemetry/opentelemetry-go",
          "type": "GIT"
        },
        {
          "database_specific": {
            "cpe": "cpe:2.3:a:opentelemetry:opentelemetry:*:*:*:*:*:go:*:*",
            "extracted_events": [
              {
                "introduced": "1.15.0"
              },
              {
                "fixed": "1.43.0"
              }
            ],
            "source": "CPE_RANGE"
          },
          "events": [
            {
              "introduced": "3311cc2a734d7597598cc67910f8f292d13eeda7"
            },
            {
              "fixed": "45977a4b9cf4a60effd1ee07367043f7e9bcae66"
            }
          ],
          "repo": "https://github.com/open-telemetry/opentelemetry-go-contrib",
          "type": "GIT"
        }
      ]
    }
  ],
  "aliases": [
    "GHSA-hfvc-g4fc-pqhx"
  ],
  "database_specific": {
    "cna_assigner": "GitHub_M",
    "cwe_ids": [
      "CWE-426"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/39xxx/CVE-2026-39883.json"
  },
  "details": "OpenTelemetry-Go is the Go implementation of OpenTelemetry. From 1.15.0 to 1.42.0, the fix for CVE-2026-24051 changed the Darwin ioreg command to use an absolute path but left the BSD kenv command using a bare name, allowing the same PATH hijacking attack on BSD and Solaris platforms. This vulnerability is fixed in 1.43.0.",
  "id": "CVE-2026-39883",
  "modified": "2026-07-16T03:30:49.315143341Z",
  "published": "2026-04-08T20:26:41.731Z",
  "references": [
    {
      "type": "WEB",
      "url": "http://github.com/open-telemetry/opentelemetry-go/releases/tag/v1.43.0"
    },
    {
      "type": "WEB",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-39883.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2026:26254"
    },
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2026:26257"
    },
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2026:37387"
    },
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/security/cve/CVE-2026-39883"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/39xxx/CVE-2026-39883.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/open-telemetry/opentelemetry-go/security/advisories/GHSA-hfvc-g4fc-pqhx"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-39883"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2456718"
    }
  ],
  "schema_version": "1.8.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "OpenTelemetry-Go has an incomplete fix for CVE-2026-24051: BSD kenv command not using absolute path enables PATH hijacking"
}