CERTFR-2026-AVI-0653

Vulnerability from certfr_avis - Published: 2026-05-27 - Updated: 2026-05-27

De multiples vulnérabilités ont été découvertes dans Symfony. Certaines d'entre elles permettent à un attaquant de provoquer une falsification de requêtes côté serveur (SSRF), une injection de code indirecte à distance (XSS) et un contournement de la politique de sécurité.

Solutions

Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).

Impacted products
Vendor Product Description
Symfony Symfony Symfony versions 8.0.x antérieures à 8.0.13
Symfony Symfony Symfony versions 6.4.x antérieures à 6.4.41
Symfony Symfony Symfony versions antérieures à 5.4.53
Symfony Symfony Symfony versions 7.0.x antérieures à 7.4.13
References

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{
  "$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
  "affected_systems": [
    {
      "description": "Symfony versions 8.0.x ant\u00e9rieures \u00e0 8.0.13",
      "product": {
        "name": "Symfony",
        "vendor": {
          "name": "Symfony",
          "scada": false
        }
      }
    },
    {
      "description": "Symfony versions 6.4.x ant\u00e9rieures \u00e0 6.4.41",
      "product": {
        "name": "Symfony",
        "vendor": {
          "name": "Symfony",
          "scada": false
        }
      }
    },
    {
      "description": "Symfony versions ant\u00e9rieures \u00e0 5.4.53",
      "product": {
        "name": "Symfony",
        "vendor": {
          "name": "Symfony",
          "scada": false
        }
      }
    },
    {
      "description": "Symfony versions 7.0.x ant\u00e9rieures \u00e0 7.4.13",
      "product": {
        "name": "Symfony",
        "vendor": {
          "name": "Symfony",
          "scada": false
        }
      }
    }
  ],
  "affected_systems_content": "",
  "content": "## Solutions\n\nSe r\u00e9f\u00e9rer au bulletin de s\u00e9curit\u00e9 de l\u0027\u00e9diteur pour l\u0027obtention des correctifs (cf. section Documentation).",
  "cves": [
    {
      "name": "CVE-2026-48760",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-48760"
    },
    {
      "name": "CVE-2026-48761",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-48761"
    },
    {
      "name": "CVE-2026-48747",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-48747"
    },
    {
      "name": "CVE-2026-48784",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-48784"
    },
    {
      "name": "CVE-2026-48736",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-48736"
    },
    {
      "name": "CVE-2026-48489",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-48489"
    }
  ],
  "initial_release_date": "2026-05-27T00:00:00",
  "last_revision_date": "2026-05-27T00:00:00",
  "links": [],
  "reference": "CERTFR-2026-AVI-0653",
  "revisions": [
    {
      "description": "Version initiale",
      "revision_date": "2026-05-27T00:00:00.000000"
    }
  ],
  "risks": [
    {
      "description": "Injection de code indirecte \u00e0 distance (XSS)"
    },
    {
      "description": "Non sp\u00e9cifi\u00e9 par l\u0027\u00e9diteur"
    },
    {
      "description": "Falsification de requ\u00eates c\u00f4t\u00e9 serveur (SSRF)"
    },
    {
      "description": "Contournement de la politique de s\u00e9curit\u00e9"
    }
  ],
  "summary": "De multiples vuln\u00e9rabilit\u00e9s ont \u00e9t\u00e9 d\u00e9couvertes dans Symfony. Certaines d\u0027entre elles permettent \u00e0 un attaquant de provoquer une falsification de requ\u00eates c\u00f4t\u00e9 serveur (SSRF), une injection de code indirecte \u00e0 distance (XSS) et un contournement de la politique de s\u00e9curit\u00e9.",
  "title": "Multiples vuln\u00e9rabilit\u00e9s dans Symfony",
  "vendor_advisories": [
    {
      "published_at": "2026-05-27",
      "title": "Bulletin de s\u00e9curit\u00e9 Symfony GHSA-h5x3-xfc9-m39h",
      "url": "https://github.com/symfony/symfony/security/advisories/GHSA-h5x3-xfc9-m39h"
    },
    {
      "published_at": "2026-05-27",
      "title": "Bulletin de s\u00e9curit\u00e9 Symfony GHSA-rrj9-5q2j-4gvr",
      "url": "https://github.com/symfony/symfony/security/advisories/GHSA-rrj9-5q2j-4gvr"
    },
    {
      "published_at": "2026-05-27",
      "title": "Bulletin de s\u00e9curit\u00e9 Symfony GHSA-6h46-9jf5-q59x",
      "url": "https://github.com/symfony/symfony/security/advisories/GHSA-6h46-9jf5-q59x"
    },
    {
      "published_at": "2026-05-27",
      "title": "Bulletin de s\u00e9curit\u00e9 Symfony GHSA-v3wm-qf9p-c549",
      "url": "https://github.com/symfony/symfony/security/advisories/GHSA-v3wm-qf9p-c549"
    },
    {
      "published_at": "2026-05-27",
      "title": "Bulletin de s\u00e9curit\u00e9 Symfony GHSA-x5qj-865h-mgvm",
      "url": "https://github.com/symfony/symfony/security/advisories/GHSA-x5qj-865h-mgvm"
    },
    {
      "published_at": "2026-05-27",
      "title": "Bulletin de s\u00e9curit\u00e9 Symfony GHSA-38cx-cq6f-5755",
      "url": "https://github.com/symfony/symfony/security/advisories/GHSA-38cx-cq6f-5755"
    }
  ]
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.