CVE-2026-100564CWE-1236

CVE-2026-100564

Medium · published September 26, 2026

CVSS v3.1
5.4
EPSS
0%
Percentile
8.0
In the wild
Unconfirmed
What it is

OpenClaw versions before 2026.8.1 fail to neutralize spreadsheet formula characters in participant display names within attendance CSV exports. Attackers can inject formula-like cells that execute with spreadsheet user permissions when the export is opened in formula-enabled applications.

The record
Technical detail
CVSS v3.1
5.4 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
CVSS v4.0
5.3 · CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
EPSS
0.00188 · 8.0th percentile
Weakness
CWE-1236 · Improper Neutralization of Formula Elements in a CSV File
Published
2026-09-26T07:17Z
References (2)
https://github.com/openclaw/openclaw/security/advisories/GHSA-39hf-qg99-f4qv · [email protected]https://www.vulncheck.com/advisories/openclaw-before-2026.8.1-csv-formula-injection-via-attendance-export · [email protected]
EPSS history
Timeline
  • 27 SEP 03:24Z
    EPSS moved — → 0%
    epss
  • 26 SEP 02:18Z
    OpenClaw before 2026.8.1 CSV Formula Injection via Attendance Export
    cvelistv5