{"id":"EUVD-2026-94549","enisaUuid":"265dacbf-214b-3c5d-b2bf-15a9040fab6c","description":"Excelize is a Go language library for reading and writing Microsoft Excel spreadsheets. From 2.3.1 to 2.11.0, agile decryption accepts an attacker-controlled spinCount and performs that many password-key derivation iterations before verifier validation. OpenFile reaches agileDecrypt, which passes the unbounded spinCount to convertPasswdToKey before password verification. When a crafted OLE encrypted-workbook header supplies an excessive spinCount and the file is opened, the key-derivation loop performs unbounded attacker-selected work and cannot be cancelled, allowing an attacker to consume a CPU core for an attacker-controlled duration. No fixed version is available as of this review.","datePublished":"Oct 7, 2026, 6:33:34 PM","dateUpdated":"Oct 7, 2026, 7:45:16 PM","baseScore":7.5,"baseScoreVersion":"3.1","baseScoreVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","references":"https://github.com/qax-os/excelize/security/advisories/GHSA-jrfj-fhj2-jjvm\nhttps://github.com/qax-os/excelize/pull/2389\nhttps://github.com/qax-os/excelize/commit/2badfcd5841d0d88b0ffea119f5a2f3c53b4910b\n","aliases":"CVE-2026-107219\nGHSA-jrfj-fhj2-jjvm\n","assigner":"GitHub_M","epss":0.36,"enisaIdProduct":[{"id":"19d61291-4fd7-37cf-a229-4357e8404090","product":{"name":"excelize","vendor":{"name":"qax-os"}},"product_version":"2.3.1, ≤ 2.11.0"}],"enisaIdVendor":[{"id":"8baa0768-7853-393c-bff8-511f90e42064","vendor":{"name":"qax-os"}}],"enisaIdVulnerability":[{"id":"64927344-6e02-3ab6-b9b7-3063bb0e9e36","vulnerability":{"id":"GHSA-jrfj-fhj2-jjvm","description":"Excelize: Unbounded spinCount in agile decryption burns CPU during OpenFile","datePublished":"Oct 7, 2026, 8:23:22 PM","dateUpdated":"Oct 7, 2026, 8:23:22 PM","baseScore":0.0,"references":"https://github.com/qax-os/excelize/security/advisories/GHSA-jrfj-fhj2-jjvm\nhttps://github.com/qax-os/excelize/pull/2389\nhttps://github.com/qax-os/excelize/commit/2badfcd5841d0d88b0ffea119f5a2f3c53b4910b\nhttps://github.com/qax-os/excelize\n","enisa_id":"EUVD-2026-94549\n","aliases":"CVE-2026-107219\nGHSA-jrfj-fhj2-jjvm\n","epss":0.0,"dataProcessed":"Nov 1, 2026, 2:07:07 AM","vulnerabilityProduct":[],"vulnerabilityVendor":[]}},{"id":"e6266749-70b3-38d0-bc32-e2738800b201","vulnerability":{"id":"CVE-2026-107219","description":"Excelize is a Go language library for reading and writing Microsoft Excel spreadsheets. From 2.3.1 to 2.11.0, agile decryption accepts an attacker-controlled spinCount and performs that many password-key derivation iterations before verifier validation. OpenFile reaches agileDecrypt, which passes the unbounded spinCount to convertPasswdToKey before password verification. When a crafted OLE encrypted-workbook header supplies an excessive spinCount and the file is opened, the key-derivation loop performs unbounded attacker-selected work and cannot be cancelled, allowing an attacker to consume a CPU core for an attacker-controlled duration. No fixed version is available as of this review.","datePublished":"Oct 7, 2026, 6:33:34 PM","dateUpdated":"Oct 7, 2026, 7:45:16 PM","status":"PUBLISHED","baseScore":7.5,"baseScoreVersion":"3.1","baseScoreVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","references":"https://github.com/qax-os/excelize/security/advisories/GHSA-jrfj-fhj2-jjvm\nhttps://github.com/qax-os/excelize/pull/2389\nhttps://github.com/qax-os/excelize/commit/2badfcd5841d0d88b0ffea119f5a2f3c53b4910b\n","enisa_id":"EUVD-2026-94549\n","assigner":"GitHub_M","epss":0.36,"dataProcessed":"Nov 2, 2026, 7:17:18 AM","vulnerabilityProduct":[{"id":"95506f53-61db-33c2-98bf-4afcd469e6f3","product":{"name":"excelize","vendor":{"name":"qax-os"}},"product_version":"2.3.1, ≤ 2.11.0"}],"vulnerabilityVendor":[{"id":"8637ee83-4c17-3a34-8f10-ae4566753dc9","vendor":{"name":"qax-os"}}]}}],"enisaIdAdvisory":[]}