{"id":"CVE-2026-27971","state":"PUBLISHED","title":"Qwik affected by unauthenticated RCE via server$ Deserialization","description":"Qwik is a performance focused javascript framework. qwik <=1.19.0 is vulnerable to RCE due to an unsafe deserialization vulnerability in the server$ RPC mechanism that allows any unauthenticated user to execute arbitrary code on the server with a single HTTP request. Affects any deployment where require() is available at runtime. This vulnerability is fixed in 1.19.1.","publishedAt":"2026-03-03T22:55:38.064Z","updatedAt":"2026-03-04T16:05:45.401Z","severity":{"score":9.2,"label":"Critical","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","source":"GitHub_M"},"assigner":"GitHub_M","products":["QwikDev qwik"],"affected":[{"vendor":"QwikDev","product":"qwik","versions":[{"version":"< 1.19.1","status":"affected"}]}],"references":["https://github.com/QwikDev/qwik/security/advisories/GHSA-p9x5-jp3h-96mm"],"weaknesses":["CWE-502"],"ingestedAt":"2026-10-29T20:11:31.369Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/27xxx/CVE-2026-27971.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-27971","state":"PUBLISHED","datePublished":"2026-03-03T22:55:38.064Z","dateUpdated":"2026-03-04T16:05:45.401Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-02-25T03:24:57.793Z"},"containers":{"cna":{"title":"Qwik affected by unauthenticated RCE via server$ Deserialization","descriptions":[{"lang":"en","value":"Qwik is a performance focused javascript framework. qwik <=1.19.0 is vulnerable to RCE due to an unsafe deserialization vulnerability in the server$ RPC mechanism that allows any unauthenticated user to execute arbitrary code on the server with a single HTTP request. Affects any deployment where require() is available at runtime. This vulnerability is fixed in 1.19.1."}],"affected":[{"vendor":"QwikDev","product":"qwik","versions":[{"version":"< 1.19.1","status":"affected"}]}],"references":[{"url":"https://github.com/QwikDev/qwik/security/advisories/GHSA-p9x5-jp3h-96mm","name":"https://github.com/QwikDev/qwik/security/advisories/GHSA-p9x5-jp3h-96mm","tags":["x_refsource_CONFIRM"]}],"metrics":[{"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"PRESENT","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH","vulnAvailabilityImpact":"HIGH","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":9.2,"baseSeverity":"CRITICAL","vectorString":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","version":"4.0"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-502","lang":"en","description":"CWE-502: Deserialization of Untrusted Data","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-03-03T22:55:38.064Z"},"source":{"advisory":"GHSA-p9x5-jp3h-96mm","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-03-04T16:05:33.671118Z","id":"CVE-2026-27971","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-03-04T16:05:45.401Z"}}]}}}