CVE-2026-108579 OpenPanel through 2.3.0 CSV Formula Injection via Cohort Member Export
Unauthenticated attackers can inject spreadsheet formulas into exported CSVs via crafted profile IDs, potentially exfiltrating data when files are opened.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-108579?
CVE-2026-108579 is a low-severity vulnerability in Openpanel-dev openpanel, published on 10 Oct 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official 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.
Weakness: CWE-1236
Which versions are affected by CVE-2026-108579?
How do I fix CVE-2026-108579?
No fix has been published for CVE-2026-108579 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-108579 being exploited?
There is no known exploitation of CVE-2026-108579 in the wild and no public exploit code.
Sources
Also known as GHSA-qhg3-x2wc-w8x2.