Vulnerability in Opendocman
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.
Published .
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- hackmd.io/@haind03/opendocman-office-document-decompression-dos (third-party-advisory)
- github.com/opendocman/opendocman/blob/641f0a6f8eeba902e309978ec04291c44d3cd1c5/… (technical-description)
- github.com/opendocman/opendocman/blob/641f0a6f8eeba902e309978ec04291c44d3cd1c5/… (technical-description)
- github.com/opendocman/opendocman (product)
- www.vulncheck.com/advisories/opendocman-2.4.0-through-2.10.0-decompression-bomb… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-108750?
- CVE-2026-108750 is a medium-severity vulnerability in Opendocman, classified under Improper Handling of Highly Compressed Data (Data Amplification). CVSS score: 4.3/10. Published 2026-10-11.
- How severe is CVE-2026-108750?
- Medium severity. CVSS v3 base score is 4.3 out of 10.