Server-side Request Forgery (SSRF) Affecting github.com/oras-project/oras-go/v2/registry/remote/auth package, versions <2.6.1
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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Test your applications- Snyk IDSNYK-GOLANG-GITHUBCOMORASPROJECTORASGOV2REGISTRYREMOTEAUTH-17808212
- published3 Jul 2026
- disclosed1 Jul 2026
- creditUnknown
Introduced: 1 Jul 2026
CVE-2026-48978 (opens in a new tab)How to fix?
Upgrade github.com/oras-project/oras-go/v2/registry/remote/auth to version 2.6.1 or higher.
Overview
Affected versions of this package are vulnerable to Server-side Request Forgery (SSRF) via the realm parameter in the authentication process. An attacker can cause the client to send requests to internal network endpoints or transmit credentials over an unencrypted channel by controlling the value of the realm field in the WWW-Authenticate: Bearer challenge. This can be exploited by a malicious or compromised registry, or by a man-in-the-middle attacker on a plaintext connection.