{
  "containers": {
    "cna": {
      "affected": [
        {
          "product": "postiz-app",
          "vendor": "gitroomhq",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c da448012dd87e94944cbe83a38e7fd023269ec46"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Postiz is an AI social media scheduling tool. Prior to commit da44801, a \"Pwn Request\" vulnerability in the Build and Publish PR Docker Image workflow (.github/workflows/pr-docker-build.yml) allows any unauthenticated user to execute arbitrary code during the Docker build process and exfiltrate a highly privileged GITHUB_TOKEN (write-all permissions). This can be achieved simply by opening a Pull Request from a fork with a maliciously modified Dockerfile.dev. This issue has been patched via commit da44801."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 10,
            "baseSeverity": "CRITICAL",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-94",
              "description": "CWE-94: Improper Control of Generation of Code (\u0027Code Injection\u0027)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-08T22:24:10.249Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "references": [
        {
          "name": "https://github.com/gitroomhq/postiz-app/security/advisories/GHSA-v975-9h5p-xhm4",
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/gitroomhq/postiz-app/security/advisories/GHSA-v975-9h5p-xhm4"
        },
        {
          "name": "https://github.com/gitroomhq/postiz-app/commit/da448012dd87e94944cbe83a38e7fd023269ec46",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/gitroomhq/postiz-app/commit/da448012dd87e94944cbe83a38e7fd023269ec46"
        }
      ],
      "source": {
        "advisory": "GHSA-v975-9h5p-xhm4",
        "discovery": "UNKNOWN"
      },
      "title": "Postiz: Arbitrary Code Execution and Token Exfiltration in pr-docker-build.yml via untrusted Dockerfile.dev"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2026-42298",
    "datePublished": "2026-05-08T22:24:10.249Z",
    "dateReserved": "2026-04-26T12:13:55.552Z",
    "dateUpdated": "2026-05-08T22:24:10.249Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2026-42298",
      "date": "2026-05-09",
      "epss": "0.00138",
      "percentile": "0.33362"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2026-42298\",\"sourceIdentifier\":\"security-advisories@github.com\",\"published\":\"2026-05-08T23:16:36.497\",\"lastModified\":\"2026-05-08T23:16:36.497\",\"vulnStatus\":\"Received\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"Postiz is an AI social media scheduling tool. Prior to commit da44801, a \\\"Pwn Request\\\" vulnerability in the Build and Publish PR Docker Image workflow (.github/workflows/pr-docker-build.yml) allows any unauthenticated user to execute arbitrary code during the Docker build process and exfiltrate a highly privileged GITHUB_TOKEN (write-all permissions). This can be achieved simply by opening a Pull Request from a fork with a maliciously modified Dockerfile.dev. This issue has been patched via commit da44801.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"security-advisories@github.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H\",\"baseScore\":10.0,\"baseSeverity\":\"CRITICAL\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"CHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":3.9,\"impactScore\":6.0}]},\"weaknesses\":[{\"source\":\"security-advisories@github.com\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-94\"}]}],\"references\":[{\"url\":\"https://github.com/gitroomhq/postiz-app/commit/da448012dd87e94944cbe83a38e7fd023269ec46\",\"source\":\"security-advisories@github.com\"},{\"url\":\"https://github.com/gitroomhq/postiz-app/security/advisories/GHSA-v975-9h5p-xhm4\",\"source\":\"security-advisories@github.com\"}]}}"
  }
}