{"id":"CVE-2026-55768","state":"PUBLISHED","title":"GoAccess WebSocket Server: Signed 32 bit truncation of the 64 bit frame length causes a remote pre-authentication denial of service","description":"GoAccess is a real-time web log analyzer and interactive viewer that runs in a terminal in *nix systems or through the browser. Prior to version 1.11, the built-in WebSocket server narrows a 64-bit extended frame length into the signed 32-bit WSFrame.payloadlen field before enforcing the maximum frame size, allowing an unauthenticated remote client to bypass the guard and force an approximately 18-exabyte allocation request that terminates the process. This issue is fixed in version 1.11.","publishedAt":"2026-07-30T20:34:32.833Z","updatedAt":"2026-07-31T23:10:06.368Z","severity":{"score":8.7,"label":"High","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","source":"GitHub_M"},"assigner":"GitHub_M","products":["allinurl goaccess"],"affected":[{"vendor":"allinurl","product":"goaccess","versions":[{"version":"< 1.11","status":"affected"}]}],"references":["https://github.com/allinurl/goaccess/security/advisories/GHSA-5gm5-pvh2-wg46","https://github.com/allinurl/goaccess/commit/ea74b87254d0adc675c087ff49bddd2d60dc01d5"],"weaknesses":["CWE-789","CWE-681"],"ingestedAt":"2026-10-29T20:12:24.861Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/55xxx/CVE-2026-55768.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-55768","state":"PUBLISHED","datePublished":"2026-07-30T20:34:32.833Z","dateUpdated":"2026-07-31T23:10:06.368Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-06-17T14:34:51.881Z"},"containers":{"cna":{"title":"GoAccess WebSocket Server: Signed 32 bit truncation of the 64 bit frame length causes a remote pre-authentication denial of service","descriptions":[{"lang":"en","value":"GoAccess is a real-time web log analyzer and interactive viewer that runs in a terminal in *nix systems or through the browser. Prior to version 1.11, the built-in WebSocket server narrows a 64-bit extended frame length into the signed 32-bit WSFrame.payloadlen field before enforcing the maximum frame size, allowing an unauthenticated remote client to bypass the guard and force an approximately 18-exabyte allocation request that terminates the process. This issue is fixed in version 1.11."}],"affected":[{"vendor":"allinurl","product":"goaccess","versions":[{"version":"< 1.11","status":"affected"}]}],"references":[{"url":"https://github.com/allinurl/goaccess/security/advisories/GHSA-5gm5-pvh2-wg46","name":"https://github.com/allinurl/goaccess/security/advisories/GHSA-5gm5-pvh2-wg46","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/allinurl/goaccess/commit/ea74b87254d0adc675c087ff49bddd2d60dc01d5","name":"https://github.com/allinurl/goaccess/commit/ea74b87254d0adc675c087ff49bddd2d60dc01d5","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","vulnAvailabilityImpact":"HIGH","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":8.7,"baseSeverity":"HIGH","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","version":"4.0"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-789","lang":"en","description":"CWE-789: Memory Allocation with Excessive Size Value","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-681","lang":"en","description":"CWE-681: Incorrect Conversion between Numeric Types","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-07-30T20:34:32.833Z"},"source":{"advisory":"GHSA-5gm5-pvh2-wg46","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","references":[{"url":"https://github.com/allinurl/goaccess/security/advisories/GHSA-5gm5-pvh2-wg46","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-07-31T23:08:54.985832Z","id":"CVE-2026-55768","options":[{"Exploitation":"poc"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-07-31T23:10:06.368Z"}}]}}}