{"id":"CVE-2026-41034","aliases":["EUVD-2026-23199","GHSA-28j6-w975-f9x7"],"status":"published","title":"ONLYOFFICE DocumentServer before 9.3.0 has an untrusted pointer dereference in XLS processing...","description":"ONLYOFFICE DocumentServer before 9.3.0 has an untrusted pointer dereference in XLS processing/conversion (via pictFmla.cbBufInCtlStm and other vectors), leading to an information leak and ASLR bypass.","severity":{"version":"3.1","score":5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00295,"percentile":0.22377,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-125"],"published":"2026-04-16T06:06:44Z","modified":"2026-10-28T02:31:05Z","products":[{"vendor":"ascensio","product":"onlyoffice documentserver"}],"references":[{"url":"https://github.com/ONLYOFFICE/DocumentServer/blob/master/CHANGELOG.md","tags":["web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-41034","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-28j6-w975-f9x7"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/41xxx/CVE-2026-41034.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-41034","description":"ONLYOFFICE DocumentServer before 9.3.0 has an untrusted pointer dereference in XLS processing/conversion (via pictFmla.cbBufInCtlStm and other vectors), leading to an information leak and ASLR bypass.","status":"published","published":"2026-04-16T06:06:44.57Z","modified":"2026-04-16T12:31:05.251Z","cvss":[{"version":"3.1","score":5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T13:41:08.498858Z"}],"euvd":[{"id":"EUVD-2026-23199","description":"ONLYOFFICE DocumentServer before 9.3.0 has an untrusted pointer dereference in XLS processing/conversion (via pictFmla.cbBufInCtlStm and other vectors), leading to an information leak and ASLR bypass.","status":"published","published":"2026-04-16T06:06:44Z","modified":"2026-04-16T12:31:05Z","cvss":[{"version":"3.1","score":5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T19:24:24.796113Z"}],"ghsa":[{"id":"GHSA-28j6-w975-f9x7","title":"ONLYOFFICE DocumentServer before 9.3.0 has an untrusted pointer dereference in XLS processing...","description":"ONLYOFFICE DocumentServer before 9.3.0 has an untrusted pointer dereference in XLS processing/conversion (via pictFmla.cbBufInCtlStm and other vectors), leading to an information leak and ASLR bypass.","status":"published","published":"2026-04-16T09:31:44Z","modified":"2026-04-16T09:31:50Z","cvss":[{"version":"3.1","score":5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N","level":"medium"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T15:07:31.233383Z"}],"nvd":[{"id":"CVE-2026-41034","description":"ONLYOFFICE DocumentServer before 9.3.0 has an untrusted pointer dereference in XLS processing/conversion (via pictFmla.cbBufInCtlStm and other vectors), leading to an information leak and ASLR bypass.","status":"published","published":"2026-04-16T07:16:30.843Z","modified":"2026-10-26T21:10:00.17Z","cvss":[{"version":"3.1","score":5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T14:12:14.748836Z"}],"osv":[{"id":"CVE-2026-41034","description":"ONLYOFFICE DocumentServer before 9.3.0 has an untrusted pointer dereference in XLS processing/conversion (via pictFmla.cbBufInCtlStm and other vectors), leading to an information leak and ASLR bypass.","status":"published","published":"2026-04-16T06:06:44.57Z","modified":"2026-10-28T02:31:05.239650256Z","cvss":[{"version":"3.1","score":5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N","level":"medium"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T15:45:03.424067Z"}]}}