# CVE-2023-43637: GO-2026-4436 - EVE Has Partially Predetermined Vault Key in github.com/lf-edge/eve

Source: https://junglewise.ai/threats/cve-2023-43637-eve-has-partially-predetermined-vault-key  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-02-17  
License: CC BY 4.0 with a link back

CVE-2023-43637 · Severity: low · CVSS 3.1 · Published 2026-02-17

EVE Has Partially Predetermined Vault Key in github.com/lf-edge/eve

Technologies: [github.com/lf-edge/eve (Go)](https://junglewise.ai/threats/technologies/github-com-lf-edge-eve). Vendors: [Go](https://junglewise.ai/threats/vendors/go).

## Quick answers

**Is CVE-2023-43637 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2023-43637 being exploited in the wild.

**How severe is CVE-2023-43637?** Low severity, with a CVSS score of 3.1, published 17 February 2026.

**Which products and versions are affected?** github.com/lf-edge/eve (Go) SEMVER:introduced=0,fixed=0.0.0-20220310190112-c0c966dc31e2.

**Is there a fix for CVE-2023-43637?** Yes. github.com/lf-edge/eve (Go): upgrade to 0.0.0-20220310190112-c0c966dc31e2 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**Am I affected by CVE-2023-43637?** Check whether you run github.com/lf-edge/eve (Go) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## How to fix

- github.com/lf-edge/eve (Go): upgrade to 0.0.0-20220310190112-c0c966dc31e2 or later

  ```sh
  go get github.com/lf-edge/eve@v0.0.0-20220310190112-c0c966dc31e2
  ```


## Affected products

- github.com/lf-edge/eve (Go) SEMVER:introduced=0,fixed=0.0.0-20220310190112-c0c966dc31e2

## Identifiers

- CVE-2023-43637
- GHSA-g7vp-j25f-h34p
- GO-2026-4436

## Related threats

- [GO-2026-4435 - EVE Doesn't Protect Rootfs in github.com/lf-edge/eve](https://junglewise.ai/threats/cve-2023-43636-eve-doesn-t-protect-rootfs)
- [GO-2026-4434 - EVE Seals Vault Key With SHA1 PCRs in github.com/lf-edge/eve](https://junglewise.ai/threats/cve-2023-43635-eve-seals-vault-key-with-sha1-pcrs)
- [GO-2026-4432 - EVE Doesn't Protect Config Partition with Measured Boot in github.com/lf-edge/eve](https://junglewise.ai/threats/cve-2023-43634-eve-doesn-t-protect-config-partition-with-measured-boot)
- [GO-2026-4422 - EVE Freely Allocates Buffer on The Stack With Data From Socket in github.com/lf-edge/eve](https://junglewise.ai/threats/cve-2023-43632-eve-freely-allocates-buffer-on-the-stack-with-data-from-socket)
- [GO-2026-4430 - EVE Doesn't Measure Config Partition From 2 Fronts in github.com/lf-edge/eve](https://junglewise.ai/threats/cve-2023-43630-eve-doesn-t-measure-config-partition-from-2-fronts)