Spreadsheet Formula Injection Vulnerability in OpenClaw by OpenClaw
CVE-2026-100564

5.3MEDIUM

Key Information:

Vendor

Openclaw

Status
Openclaw
Vendor
CVE Published:
26 September 2026

What is CVE-2026-100564?

OpenClaw versions prior to 2026.8.1 are susceptible to a vulnerability that allows attackers to inject malicious formula-like cells in attendance CSV export files. When these files are opened in formula-enabled spreadsheet applications, the injected formulas can execute with the permissions of the user, potentially leading to unauthorized data manipulation or gains. This vulnerability highlights the importance of validating and neutralizing user input in exported data.

Affected Version(s)

OpenClaw 0 < 2026.8.1

OpenClaw 2026.8.1

References

https://github.com/openclaw/openclaw/security/advisories/...
vendor-advisory
https://www.vulncheck.com/advisories/openclaw-before-2026...
third-party-advisory

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

anagnorisis2peripeteia
.