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{
  "containers": {
    "cna": {
      "affected": [
        {
          "collectionURL": "https://pypi.org",
          "defaultStatus": "unaffected",
          "modules": [
            "WebApp \u2014 GitHub webhook receiver"
          ],
          "packageName": "otterdog",
          "product": "otterdog",
          "repo": "https://github.com/eclipse-csi/otterdog",
          "vendor": "Eclipse Foundation",
          "versions": [
            {
              "lessThan": "1.3.2",
              "status": "affected",
              "version": "0.9.0",
              "versionType": "semver"
            },
            {
              "status": "unaffected",
              "version": "1.3.2"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Mika\u00ebl Barbero Eclipse Foundation"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "The otterdog webapp evaluates a format-string built from the incoming GitHub webhook JSON body using Python\u0027s eval(). When the GITHUB_WEBHOOK_SECRET configuration value is unset or empty (the code default is None), the HMAC signature check is skipped entirely, allowing an unauthenticated network client to reach the eval() sink with attacker-controlled input and execute arbitrary Python on the webapp host."
            }
          ],
          "value": "The otterdog webapp evaluates a format-string built from the incoming GitHub webhook JSON body using Python\u0027s eval(). When the GITHUB_WEBHOOK_SECRET configuration value is unset or empty (the code default is None), the HMAC signature check is skipped entirely, allowing an unauthenticated network client to reach the eval() sink with attacker-controlled input and execute arbitrary Python on the webapp host."
        }
      ],
      "impacts": [
        {
          "capecId": "CAPEC-35",
          "descriptions": [
            {
              "lang": "en",
              "value": "CAPEC-35 Leverage Executable Code in Non-Executable Files"
            }
          ]
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "Automatable": "NOT_DEFINED",
            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "LOW",
            "attackRequirements": "PRESENT",
            "attackVector": "NETWORK",
            "baseScore": 9.5,
            "baseSeverity": "CRITICAL",
            "exploitMaturity": "NOT_DEFINED",
            "privilegesRequired": "NONE",
            "providerUrgency": "NOT_DEFINED",
            "subAvailabilityImpact": "HIGH",
            "subConfidentialityImpact": "HIGH",
            "subIntegrityImpact": "HIGH",
            "userInteraction": "NONE",
            "valueDensity": "NOT_DEFINED",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H",
            "version": "4.0",
            "vulnAvailabilityImpact": "HIGH",
            "vulnConfidentialityImpact": "HIGH",
            "vulnIntegrityImpact": "HIGH",
            "vulnerabilityResponseEffort": "NOT_DEFINED"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-95",
              "description": "CWE-95 Improper neutralization of directives in dynamically evaluated code (\u0027eval injection\u0027)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-11-09T09:00:13.022Z",
        "orgId": "e51fbebd-6053-4e49-959f-1b94eeb69a2c",
        "shortName": "eclipse"
      },
      "references": [
        {
          "url": "https://gitlab.eclipse.org/security/cve-assignment/-/work_items/554"
        },
        {
          "url": "https://github.com/eclipse-csi/otterdog/security/advisories/GHSA-32xf-7j44-xq72"
        },
        {
          "url": "https://github.com/eclipse-csi/otterdog/commit/bbc9e3ced3665f09fc4632f11b5867524eda7f72"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "title": "[Eclipse CSI - otterdog] Unauthenticated remote code execution via eval() on format-string-injected webhook body when GITHUB_WEBHOOK_SECRET is unset",
      "x_generator": {
        "engine": "Vulnogram 1.0.5"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "e51fbebd-6053-4e49-959f-1b94eeb69a2c",
    "assignerShortName": "eclipse",
    "cveId": "CVE-2026-123870",
    "datePublished": "2026-11-09T09:00:13.022Z",
    "dateReserved": "2026-11-06T16:18:10.512Z",
    "dateUpdated": "2026-11-09T09:00:13.022Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}