{"id":"CVE-2026-59161","state":"PUBLISHED","title":"Excelize: Streaming GetRows row-bound bypass causes attacker-controlled allocation","description":"Excelize is a Go language library for reading and writing Microsoft Excel spreadsheets. Prior to 2.11.0, the streaming worksheet reader used by Rows and GetRows does not enforce the TotalRows limit on the row r attribute, allowing a small XLSX file with a row number above 1048576 and no cell coordinate to make GetRows append empty rows up to the attacker-controlled index and consume excessive memory and CPU. This issue is fixed in version 2.11.0.","publishedAt":"2026-07-10T15:47:38.604Z","updatedAt":"2026-07-14T01:55:21.372Z","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":["qax-os excelize"],"affected":[{"vendor":"qax-os","product":"excelize","versions":[{"version":"< 2.11.0","status":"affected"}]}],"references":["https://github.com/qax-os/excelize/security/advisories/GHSA-q5j5-6p94-4gwc","https://github.com/qax-os/excelize/pull/2331","https://github.com/qax-os/excelize/commit/93f0b3caed37f21ef5079e3259c6c21dcfe68453","https://github.com/qax-os/excelize/releases/tag/v2.11.0"],"weaknesses":["CWE-400","CWE-770"],"ingestedAt":"2026-10-29T20:12:32.778Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/59xxx/CVE-2026-59161.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-59161","state":"PUBLISHED","datePublished":"2026-07-10T15:47:38.604Z","dateUpdated":"2026-07-14T01:55:21.372Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-07-02T16:50:27.887Z"},"containers":{"cna":{"title":"Excelize: Streaming GetRows row-bound bypass causes attacker-controlled allocation","descriptions":[{"lang":"en","value":"Excelize is a Go language library for reading and writing Microsoft Excel spreadsheets. Prior to 2.11.0, the streaming worksheet reader used by Rows and GetRows does not enforce the TotalRows limit on the row r attribute, allowing a small XLSX file with a row number above 1048576 and no cell coordinate to make GetRows append empty rows up to the attacker-controlled index and consume excessive memory and CPU. This issue is fixed in version 2.11.0."}],"affected":[{"vendor":"qax-os","product":"excelize","versions":[{"version":"< 2.11.0","status":"affected"}]}],"references":[{"url":"https://github.com/qax-os/excelize/security/advisories/GHSA-q5j5-6p94-4gwc","name":"https://github.com/qax-os/excelize/security/advisories/GHSA-q5j5-6p94-4gwc","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/qax-os/excelize/pull/2331","name":"https://github.com/qax-os/excelize/pull/2331","tags":["x_refsource_MISC"]},{"url":"https://github.com/qax-os/excelize/commit/93f0b3caed37f21ef5079e3259c6c21dcfe68453","name":"https://github.com/qax-os/excelize/commit/93f0b3caed37f21ef5079e3259c6c21dcfe68453","tags":["x_refsource_MISC"]},{"url":"https://github.com/qax-os/excelize/releases/tag/v2.11.0","name":"https://github.com/qax-os/excelize/releases/tag/v2.11.0","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-400","lang":"en","description":"CWE-400: Uncontrolled Resource Consumption","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-770","lang":"en","description":"CWE-770: Allocation of Resources Without Limits or Throttling","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-07-10T15:47:38.604Z"},"source":{"advisory":"GHSA-q5j5-6p94-4gwc","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","references":[{"url":"https://github.com/qax-os/excelize/security/advisories/GHSA-q5j5-6p94-4gwc","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-07-14T01:54:56.568240Z","id":"CVE-2026-59161","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":"2026-07-14T01:55:21.372Z"}}]}}}