๐Ÿ” CVE Alert

CVE-2026-41034

MEDIUM 5.0
CVSS Score
5.0
EPSS Score
0.0%
EPSS Percentile
0th

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.

CWE CWE-125
Vendor ascensio
Product onlyoffice documentserver
Published Apr 16, 2026
Last Updated Apr 16, 2026
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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Changed
Confidentiality
Low
Integrity
None
Availability
None

Affected Versions

Ascensio / ONLYOFFICE DocumentServer
0 < 9.3.0

References

NVD โ†— CVE.org โ†— EPSS Data โ†—
github.com: https://github.com/ONLYOFFICE/DocumentServer/blob/master/CHANGELOG.md