CVE-2026-50151
High
Description
oras-go is a Go library for managing OCI artifacts. Prior to 2.6.1, registry/remote/repository.go in blobStore.completePushAfterInitialPost follows a registry-controlled Location header during monolithic blob upload and reuses the Authorization header from the initial POST request for the subsequent PUT request, allowing a malicious registry to return a cross-host Location and receive the caller's credentials at an attacker-controlled endpoint. This issue is fixed in version 2.6.1.
SeverityHigh
CVSS7.5
Exploit probability—
ProductLinuxfoundation Oras
PublishedJul 17, 2026
First seenJul 17, 2026
Weakness typeCWE-918Server-side request forgery (SSRF)
How to fix
Update
- linuxfoundation oras2.6.1 or later
- oras.land/oras-go/v22.6.1 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linuxfoundation oras | v < 2.6.1 | 2.6.1 |
| oras.land/oras-go/v2Go | v < 2.6.1 | 2.6.1 |
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