CVE-2024-36109: Sagemath Cocalc

High severity, CVSS 7.6. EPSS: 0.4% chance of exploitation in the next 30 days.

CoCalc is web-based software that enables collaboration in research, teaching, and scientific publishing. In affected versions the markdown parser allows `<script>` tags to be included which execute when published. This issue has been addressed in commit `419862a9c9879c`. Users are advised to upgrade. There are no known workarounds for this vulnerability.

Affected products

• Sagemath Cocalc: before 419862a9c9879c (fixed in 419862a9c9879c)
• Sagemathinc Cocalc: before 419862a9c9879c (fixed in 419862a9c9879c)

Published 2024-05-28. Last modified 2026-06-17.