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4 vulnerabilities found for oras-go by oras-project

CVE-2026-50151 (GCVE-0-2026-50151)
Vulnerability from cvelistv5
Published
2026-07-17 19:41
Modified
2026-07-20 13:52
Severity ?
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CWE
  • CWE-918 - Server-Side Request Forgery (SSRF)
Summary
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.
References
Impacted products
Vendor Product Version
oras-project oras-go Version: < 2.6.1
 Create a notification for this product.
Show details on NVD website

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CVE-2026-50162 (GCVE-0-2026-50162)
Vulnerability from cvelistv5
Published
2026-07-17 19:39
Modified
2026-07-20 18:18
Severity ?
6.9 (Medium) - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
CWE
  • CWE-73 - External Control of File Name or Path
Summary
oras-go is a Go library for managing OCI artifacts. Prior to 2.6.1, resolveWritePath() in content/file/file.go uses a lexical filepath.Rel check for workingDir and does not account for symlink traversal, so when AllowPathTraversalOnWrite=false an attacker-controlled blob title through ocispec.AnnotationTitle such as out/pwn.txt can follow a workingDir symlink out -> /some/outside/dir and cause pushFile() to create /some/outside/dir/pwn.txt outside workingDir. This issue is fixed in version 2.6.1.
References
Impacted products
Vendor Product Version
oras-project oras-go Version: < 2.6.1
 Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2026-50163 (GCVE-0-2026-50163)
Vulnerability from cvelistv5
Published
2026-07-17 19:36
Modified
2026-07-20 15:01
Severity ?
7.1 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N
CWE
  • CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
  • CWE-59 - Improper Link Resolution Before File Access ('Link Following')
Summary
oras-go is a Go library for managing OCI artifacts. Prior to 2.6.2, ensureLinkPath in content/file/utils.go:262-275 validates a hardlink target relative to the extract base but returns the unresolved target, causing os.Link("victim.secret", "<extract_base>/payload.tar.gz/evil_cwd_link") to resolve header.Linkname against the process current working directory for a Typeflag=TypeLink entry such as Name=payload.tar.gz/evil_cwd_link and Linkname="victim.secret" with io.deis.oras.content.unpack: "true", which can expose or tamper with files such as .env, .git/config, .aws/credentials, and ~/.ssh/config. This issue is fixed in version 2.6.2.
References
Impacted products
Vendor Product Version
oras-project oras-go Version: < 2.6.2
 Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2026-48978 (GCVE-0-2026-48978)
Vulnerability from cvelistv5
Published
2026-07-17 19:34
Modified
2026-07-21 02:06
Severity ?
2.1 (Low) - CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
CWE
  • CWE-918 - Server-Side Request Forgery (SSRF)
  • CWE-319 - Cleartext Transmission of Sensitive Information
Summary
oras-go is a Go library for managing OCI artifacts. Prior to 2.6.1, auth.Client follows the realm URL from a registry's WWW-Authenticate: Bearer challenge without validating the scheme or host, allowing a malicious or compromised registry to cause SSRF to internal networks such as http://169.254.169.254/, http://10.0.0.x/, and http://127.0.0.1/, or to downgrade a registry contacted over https:// to an http:// token endpoint in registry/remote/auth/client.go through Client.Do(), Client.fetchBearerToken(), fetchDistributionToken, and fetchOAuth2Token. This issue is fixed in version 2.6.1.
References
Impacted products
Vendor Product Version
oras-project oras-go Version: < 2.6.1
 Create a notification for this product.
Show details on NVD website

To clipboard 

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        },
        {
          "name": "https://github.com/oras-project/oras-go/commit/7a9f4b0b9558821b0422152ebe21ae56930fe764",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/oras-project/oras-go/commit/7a9f4b0b9558821b0422152ebe21ae56930fe764"
        },
        {
          "name": "https://github.com/oras-project/oras-go/releases/tag/v2.6.1",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/oras-project/oras-go/releases/tag/v2.6.1"
        }
      ],
      "source": {
        "advisory": "GHSA-xf85-363p-868w",
        "discovery": "UNKNOWN"
      },
      "title": "oras-go: Malicious registry can hijack Bearer token realm to exfiltrate credentials and refresh tokens"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2026-48978",
    "datePublished": "2026-07-17T19:34:53.690Z",
    "dateReserved": "2026-05-26T23:26:07.974Z",
    "dateUpdated": "2026-07-21T02:06:49.654Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}