Vulnerability · Published Oct 11, 2026 · Assigned by VulnCheck
CVE-2026-108750OpenDocMan 2.4.0 through 2.10.0 Decompression Bomb DoS via Upload Text Extraction
Medium 4.3
In plain English
A medium-severity security flaw in OpenDocMan from OpenDocMan. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 19% of all known vulnerabilities).
Severity (CVSS 3.1)4.3Medium
Exploit odds (30 days)0.3%top 81.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| OpenDocMan | OpenDocMan | 2.4.0 – through 2.10.0 |
Weakness: CWE-409 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
References
- https://hackmd.io/@haind03/opendocman-office-document-decompression-dos third-party-advisory
- https://github.com/opendocman/opendocman/blob/641f0a6f8eeba902e309978ec04291c44d3cd1c5/application/models/Document.class.php#L67-L75 technical-description
- https://github.com/opendocman/opendocman/blob/641f0a6f8eeba902e309978ec04291c44d3cd1c5/application/models/TextExtractors/OdtExtractor.class.php#L10-L25 technical-description
- https://github.com/opendocman/opendocman product
- VulnCheck Advisory: OpenDocMan 2.4.0 through 2.10.0 Decompression Bomb DoS via Upload Text Extraction third-party-advisory