CVE-2026-108579
OpenPanel through 2.3.0 CSV Formula Injection via Cohort Member Export
- State
- Published
- Severity
- 2.3 Low
- Published
- Oct 10, 2026
- Updated
- Oct 14, 2026
- Reserved
- Oct 10, 2026
Description
OpenPanel through 2.3.0 contains a CSV formula injection vulnerability that allows unauthenticated attackers to embed spreadsheet formulas by supplying crafted profile IDs to the /track endpoint. Attackers can send tracking events with profile IDs like =HYPERLINK(...) matching a cohort, so exported cohort CSVs execute formulas that exfiltrate adjacent cell data.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 2.3 Low | CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N | VulnCheck |
| 3.1 | 4.2 Medium | CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N | VulnCheck |
Weaknesses
- CWE-1236 Improper Neutralization of Formula Elements in a CSV File
Affected Products
| Product | Versions |
|---|---|
openpanelOpenpanel-dev |
|
References
- https://hackmd.io/@haind/openpanel-cohort-csv-formula-injectionthird-party-advisory
- https://github.com/Openpanel-dev/openpanel/blob/7c4d22ae4b6b20fb08eb5c94a0cd3cfebb3d32ca/apps/start/src/utils/csv-download.ts#L1-L29technical-description
- https://github.com/Openpanel-dev/openpanelproduct
- VulnCheck Advisory: OpenPanel through 2.3.0 CSV Formula Injection via Cohort Member Exportthird-party-advisory
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