Keylime allows users to register new agents by recycling existing UUIDs when using different TPM devicesGHSA-xh5w-g8gq-r3v9
HIGHFix: keylime/keylime#1785GHSA-xh5w-g8gq-r3v9 is a high-severity (CVSS 8.2) CWE-694 vulnerability in keylime. A fix is available for keylime — see the affected versions and patch details below.
Exploitation Status
No confirmed exploitation observed yet
- CISA’s own triage has not observed active exploitation or public proof-of-concept code for this CVE as of its last assessment.
Exploitation and automatability from CISA’s SSVC triage for GHSA-xh5w-g8gq-r3v9.
EPSS Exploitation Probability
Probability of exploitation in the next 30 days, from FIRST.org EPSS.
How urgent is this, really
Where this sits among everything scored
Real-World Exposure
keylimeReal-time download stats are indexed for npm and PyPI packages. This vulnerability affects PyPI packages — download data is not available via public APIs for these ecosystems.
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.
Affected Packages
| Ecosystem | Package | Vulnerable range | Fix |
|---|---|---|---|
| 🐍PyPI | keylime | all versions | 7.13.0pip install --upgrade 'keylime==7.13.0' |
Detection & mitigation playbook
Open-source dependencyDetect
Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for keylime, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.
Fix
Update keylime to 7.13.0 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms GHSA-xh5w-g8gq-r3v9 is resolved across your whole dependency graph.
Workarounds
If you can't upgrade right away: gate or disable the affected feature, validate untrusted input at the boundary, and avoid passing attacker-controlled data into the vulnerable path. O3's runtime protection blocks exploitation in production as an interim safeguard until the upgrade lands.
Fixing This On Your OS
If you run this on a Linux distribution, patch through your package manager against the distro's own security advisory below — it tracks the exact backported fix for your release, which can ship on a different timeline (and sometimes a different severity) than the upstream project.
This vulnerability is rated Important for Red Hat products as the Keylime registrar allows an attacker to perform an identity takeover. By registering a new agent with a duplicate UUID, an attacker can overwrite an existing agent's identity, enabling impersonation and potential bypass of security controls. This…
Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update the affected package as soon as possible.Source: Red Hat security advisory for GHSA-xh5w-g8gq-r3v9 (CC BY 4.0)
| Product | Fixed in | Advisory |
|---|---|---|
| Red Hat Enterprise Linux 10 | keylime-0:7.12.1-11.el10_1.3 | RHSA-2025:23201 |
| Red Hat Enterprise Linux 10.0 Extended Update Support | keylime-0:7.12.1-2.el10_0.4 | RHSA-2026:0429 |
| Red Hat Enterprise Linux 9 | keylime-0:7.12.1-11.el9_7.3 | RHSA-2025:23210 |
| Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions | keylime-0:6.5.2-6.el9_2.1 | RHSA-2025:23735 |
| Red Hat Enterprise Linux 9.4 Extended Update Support | keylime-0:7.3.0-13.el9_4.1 | RHSA-2025:23852 |
| Red Hat Enterprise Linux 9.6 Extended Update Support | keylime-0:7.3.0-15.el9_6.1 | RHSA-2025:23628 |
Frequently Asked Questions
Is GHSA-xh5w-g8gq-r3v9 in your dependencies?
Find it across PyPI, including transitive dependencies.