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Vulnerability record · CVE-2026-50151 · published 17 July 2026

CVE-2026-50151: Linuxfoundation oras server-side request forgery (ssrf) vulnerability

Linuxfoundation · Oras

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.

7.5 CVSS 3.1 High EPSS 0.49% · top 60.3% CWE-918 · Server-side request forgery (SSRF)
7.5CVSS 3.1 base score
0.49%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
5References, 2 tagged exploit
26 Aug 2026Last modified by NVD

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.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/oras-project/oras-go/commit/4683c46ef078091544f5f55fd25102f002806991 Patch
https://github.com/oras-project/oras-go/pull/1152 Issue TrackingPatch
https://github.com/oras-project/oras-go/releases/tag/v2.6.1 Release Notes
https://github.com/oras-project/oras-go/security/advisories/GHSA-jxpm-75mh-9fp7 ExploitMitigationVendor Advisory
https://github.com/oras-project/oras-go/security/advisories/GHSA-jxpm-75mh-9fp7 ExploitMitigationVendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2026-50151), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.