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High

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'

  • Disclosed: 24.11.2025
  • Updated: 11.10.2026 12:20

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 software

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PlatformPackageVulnerable versionsFixed in
Python (PyPI) keylime not given by the source no fix

References

CVSS score 8.2/10
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:H/A:L
Weakness (CWE)
CWE-694
Platform
Python (PyPI)
Package
keylime
Disclosed
24.11.2025
Updated
11.10.2026 12:20

Sources and licenses

OSV / GitHub Advisory Database - GHSA-xh5w-g8gq-r3v9 - CC BY 4.0

OSV / GitHub Advisory Database - PYSEC-2025-77 - PyPA Advisory Database; CC BY 4.0

Vulnerability history: keylime

All published vulnerabilities of this package (Python (PyPI)), newest first. Shows whether this is a one-off slip or a package that needs watching.

All (9) in the archive
Total entries
9
First → latest
05.2022 05.2026
Without a fix
1
Exploited in attacks
0

Severity breakdown

  • Critical 2
  • High 4
  • Medium 2
  • Low 1

Disclosures per year

Severity:
  1. A flaw was found in Keylime. The Keylime registrar, since version 7.12.0, does not enforce client-side Transport Layer Security (TLS) authentication. This authentication bypass vulnerability allows un
    Critical · 9.8 CVE-2026-1709 < 7.12.0 7.12.0
  2. 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' this entry
    High · 8.2 CVE-2025-13609 not given by the source no fix
  3. Keylime registrar and (untrusted) Agent can be bypassed by an attacker
    High · 6.5 CVE-2023-38201 < 7.5.0 7.5.0
  4. Keylime's registrar vulnerable to Denial-of-service attack via a single open connection
    High · 7.5 CVE-2023-38200 < 7.4.0 7.4.0
  5. A vulnerability was found in keylime. This security issue happens in some circumstances, due to some improperly handled exceptions, there exists the possibility that a rogue agent could create errors
    High · 5.1 CVE-2022-3500 < 6.5.1 6.5.1
  6. Tenant and Verifier might not use the same registrar data
    Critical · 9.1 CVE-2022-1053 < 6.4.0 6.4.0

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