Access Control Bypass Affecting github.com/seaweedfs/seaweedfs/weed/s3api package, versions <4.30
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Start learning- Snyk IDSNYK-GOLANG-GITHUBCOMSEAWEEDFSSEAWEEDFSWEEDS3API-17817199
- published4 Jul 2026
- disclosed25 Jun 2026
- creditUnknown
Introduced: 25 Jun 2026
CVE-2026-54917 Â (opens in a new tab)How to fix?
Upgrade github.com/seaweedfs/seaweedfs/weed/s3api to version 4.30 or higher.
Overview
Affected versions of this package are vulnerable to Access Control Bypass via the router process in the S3 and Iceberg REST gateways when path cleaning is disabled. An attacker can gain unauthorized access to resources in other buckets by crafting requests containing .. segments in the URL, which are improperly handled and allow traversal to unintended locations.