CVE-2026-47707

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{"affected": [{"affectedData": [{"product": "strawberry", "vendor": "strawberry-graphql", "versions": [{"status": "affected", "version": ">= 0.172.0, < 0.315.7"}]}], "source": "security-advisories@github.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:strawberry:strawberry_graphql:*:*:*:*:*:python:*:*", "matchCriteriaId": "BD2AF812-542D-419A-8082-89CCE5BF5BAB", "versionEndExcluding": "0.315.7", "versionStartIncluding": "0.172.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Strawberry GraphQL is a library for creating GraphQL APIs. In versions 0.172.0 through0.315.6, the MaxAliasesLimiter extension in Strawberry fails to account for the multiplicative/amplification effect of FragmentSpreadNode. While it correctly counts static aliases within the AST it does not consider how many times a fragments internal aliases are expanded during execution. this allows an attacker to bypass alias limits and force the server to resolve and render a significantly higher number of aliases than allowed, potentially leading to a dos via resource exhaustion. Version 0.315.7 contains a fix for the issue."}, {"lang": "es", "value": "Strawberry GraphQL es una biblioteca para crear APIs GraphQL. En las versiones 0.172.0 a 0.315.6, la extensi\u00f3n MaxAliasesLimiter en Strawberry no tiene en cuenta el efecto multiplicativo/de amplificaci\u00f3n de FragmentSpreadNode. Si bien cuenta correctamente los alias est\u00e1ticos dentro del AST, no considera cu\u00e1ntas veces los alias internos de un fragmento se expanden durante la ejecuci\u00f3n. Esto permite a un atacante eludir los l\u00edmites de alias y forzar al servidor a resolver y renderizar un n\u00famero significativamente mayor de alias de lo permitido, lo que podr\u00eda llevar a un DoS por agotamiento de recursos. La versi\u00f3n 0.315.7 contiene una soluci\u00f3n para el problema."}], "id": "CVE-2026-47707", "lastModified": "2026-07-22T20:10:00.127", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 1.4, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-47707", "options": [{"exploitation": "poc"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-06-04T15:05:32.309863Z", "version": "2.0.3"}}]}, "published": "2026-06-04T15:16:55.283", "references": [{"source": "security-advisories@github.com", "tags": ["Product", "Release Notes"], "url": "https://github.com/strawberry-graphql/strawberry/releases/tag/0.315.7"}, {"source": "security-advisories@github.com", "tags": ["Exploit", "Vendor Advisory"], "url": "https://github.com/strawberry-graphql/strawberry/security/advisories/GHSA-fr49-mhgj-crfc"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "tags": ["Exploit", "Vendor Advisory"], "url": "https://github.com/strawberry-graphql/strawberry/security/advisories/GHSA-fr49-mhgj-crfc"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-400"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{}

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