# CVE-2023-27484: Crossplane-runtime contains Improper Input Validation via Compositions

Source: https://junglewise.ai/threats/cve-2023-27484-crossplane-runtime-contains-improper-input-validation-via  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2023-03-10  
License: CC BY 4.0 with a link back

CVE-2023-27484 · Severity: low · CVSS 3.1 · Published 2023-03-10

Crossplane-runtime contains Improper Input Validation via Compositions

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

## Quick answers

**Is CVE-2023-27484 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2023-27484 being exploited in the wild.

**How severe is CVE-2023-27484?** Low severity, with a CVSS score of 3.1, published 10 March 2023.

**Which products and versions are affected?** github.com/crossplane/crossplane (Go) SEMVER:introduced=0,fixed=1.9.2.

**Is there a fix for CVE-2023-27484?** Yes. github.com/crossplane/crossplane (Go): upgrade to 1.9.2 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**Am I affected by CVE-2023-27484?** Check whether you run github.com/crossplane/crossplane (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/crossplane/crossplane (Go): upgrade to 1.9.2 or later

  ```sh
  go get github.com/crossplane/crossplane@v1.9.2
  ```


## Affected products

- github.com/crossplane/crossplane (Go) SEMVER:introduced=0,fixed=1.9.2

## Identifiers

- CVE-2023-27484
- GHSA-v829-x6hh-cqfq

## Related threats

- [GO-2026-5709 - Crossplane: Signature verification TOCTOU allows installing unverified package content via mutable tag…](https://junglewise.ai/threats/go-2026-5709-crossplane-signature-verification-toctou-allows-installing-e7dcc794)
- [GO-2024-3219 - github.com/crossplane/crossplane: Unexpected behavior from Is methods for IPv4-mapped IPv6 addresses](https://junglewise.ai/threats/go-2024-3219-github-com-crossplane-crossplane-unexpected-behavior-from-a683c43c)
- [github.com/crossplane/crossplane: Unexpected behavior from Is methods for IPv4-mapped IPv6 addresses](https://junglewise.ai/threats/github-com-crossplane-crossplane-unexpected-behavior-from-is-methods-0a55b214)
- [GO-2023-1980 - Possible image tampering from missing image validation for Packages in github.com/crossplane/crossplane](https://junglewise.ai/threats/cve-2023-38495-possible-image-tampering-from-missing-image-validation-for)
- [GO-2023-1979 - Denial of service from large image in github.com/crossplane/crossplane](https://junglewise.ai/threats/cve-2023-37900-denial-of-service-from-large-image)