CVE-2026-108582
GenOffice through 0.11.505 Insecure Permissions in HTTP MCP Server File Store
genspark-ai GenOffice
CVSS
6.8MediumExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)0.11%Chance of exploitation activity in the next 30 days, higher than 1% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed inNone listedNo source names a fixed version. Check the vendor advisory below
What fixes it
No source in this snapshot names a fixed version. The vendor advisories under References are the place to check.
Description
GenOffice through 0.11.505 contains an incorrect permissions vulnerability in its HTTP MCP server file store that allows local unprivileged users to read uploaded and generated documents. Attackers can list the world-readable genoffice-mcp-http directory under the system temporary directory to read client uploads and converted outputs, bypassing the HTTP bearer token.
Text from CVE List
Affected versions 1
- GenOfficeaffected: all versions through 0.11.505CVE List
References 4
- github.com/genspark-ai/genoffice/releases/tag/v0.11.505Fixvia CVE List
- hackmd.io/@haind/genoffice-http-mcp-temp-file-disclosureAdvisoryvia CVE List
- vulncheck.com/advisories/genoffice-through-0.11.505-insecure-permissions-in-http-mcp-server-file-storeAdvisoryvia CVE List
- github.com/genspark-ai/genoffice/blob/v0.11.505/packages/cli/src/mcp/files.ts#L70-L90Referencevia CVE List