CVE-2026-108750

OpenDocMan 2.4.0 through 2.10.0 contains a decompression bomb vulnerability that allows authenticated users to exhaust PHP memory by uploading crafted office documents. Attackers can upload a small ODT, DOCX, or XLSX file whose XML entries decompress to hundreds of megabytes, crashing PHP workers and degrading availability.

CVSS 4.0

5.3CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N

CVSS 3.1

4.3CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

EPSS

0.3% chance of exploitation in the next 30 days; higher than 18% of CVEs (scores of 2026-10-25)

CWE

CWE-409

Published

2026-10-11

Modified

2026-10-16

Record from

the NVD, synced 2026-10-19

References

• https://github.com/opendocman/opendocman
• https://github.com/opendocman/opendocman/blob/641f0a6f8eeba902e309978ec04291c44d3cd1c5/application/models/Document.class.php#L67-L75
• https://github.com/opendocman/opendocman/blob/641f0a6f8eeba902e309978ec04291c44d3cd1c5/application/models/TextExtractors/OdtExtractor.class.php#L10-L25
• https://hackmd.io/@haind03/opendocman-office-document-decompression-dos
• https://www.vulncheck.com/advisories/opendocman-2.4.0-through-2.10.0-decompression-bomb-dos-via-upload-text-extraction

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