Vulnerability-Lookup

CVE-2026-90651 (GCVE-0-2026-90651)

Vulnerability from cvelistv5 – Published: 2026-09-12 23:55 – Updated: 2026-09-14 18:15

Summary

Socket Firewall (socketdev/socket-registry-firewall) in registry mode before 2.0.0 does not verify upstream TLS certificates by default. When the api_ssl_verify and upstream_ssl_verify configuration keys are omitted from socket.yml, the generated configuration sets SOCKET_API_SSL_VERIFY='false' and UPSTREAM_SSL_VERIFY='false', and the OpenResty/Lua HTTP client used for outbound requests accepts any certificate, including self-signed and otherwise untrusted certificates, without validating the chain. An attacker positioned to intercept traffic between Socket Firewall and the Socket API or an upstream package registry can present a crafted certificate and modify responses in transit, including substituting malicious package content or altering the allow/block decisions the firewall enforces. Setting api_ssl_verify: true and upstream_ssl_verify: true enables verification; however, in versions before 1.1.334, the generated nginx configuration did not emit lua_ssl_trusted_certificate, and thus verification could not be used successfully without manually patching the generated configuration. Version 2.0.0 changes the default for both settings to true.

Severity

8.1 (High)


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

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-09-14 14:56 UTC

CWE

CWE-295 - Improper Certificate Validation

Assigner

mitre CNA under the mitre root

CNA scorecard E 28/100 over 2316 records in the last 180 days details

References

2 references

URL	Tags
https://github.com/SocketDev/socket-registry-fire…
https://docs.socket.dev/docs/registry-mode-config…

Impacted products

1 product

Vendor	Product	Version	CPE status
Socket	Socket Firewall	Affected: 0 , < 2.0.0 (semver)	guessed

Show details on NVD website

JSON

To clipboard

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FKIE_CVE-2026-90651

Vulnerability from fkie_nvd - Published: 2026-09-13 00:17 - Updated: 2026-09-22 20:00

Severity

8.1 (High) - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:H/A:L

Summary

References

	URL	Tags
	cve@mitre.org	https://docs.socket.dev/docs/registry-mode-configuration-reference
	cve@mitre.org	https://github.com/SocketDev/socket-registry-firewall/releases/tag/v2.0.0

Impacted products

	Vendor	Product	Version

JSON

To clipboard

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    {
      "affectedData": [
        {
          "collectionURL": "https://hub.docker.com",
          "defaultStatus": "unaffected",
          "modules": [
            "registry mode; outbound TLS to Socket API and upstream package registries (OpenResty/Lua HTTP client)"
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GHSA-JRP2-P3PX-F5P5

Vulnerability from github – Published: 2026-09-13 00:31 – Updated: 2026-09-13 00:31

Details

Severity

8.1 (High)


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

Show details on source website

JSON

To clipboard

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    "severity": "HIGH"
  },
  "details": "Socket Firewall (socketdev/socket-registry-firewall) in registry mode before 2.0.0 does not verify upstream TLS certificates by default. When the api_ssl_verify and upstream_ssl_verify configuration keys are omitted from socket.yml, the generated configuration sets SOCKET_API_SSL_VERIFY=\u0027false\u0027 and UPSTREAM_SSL_VERIFY=\u0027false\u0027, and the OpenResty/Lua HTTP client used for outbound requests accepts any certificate, including self-signed and otherwise untrusted certificates, without validating the chain. An attacker positioned to intercept traffic between Socket Firewall and the Socket API or an upstream package registry can present a crafted certificate and modify responses in transit, including substituting malicious package content or altering the allow/block decisions the firewall enforces. Setting api_ssl_verify: true and upstream_ssl_verify: true enables verification; however, in versions before 1.1.334, the generated nginx configuration did not emit lua_ssl_trusted_certificate, and thus verification could not be used successfully without manually patching the generated configuration. Version 2.0.0 changes the default for both settings to true.",
  "id": "GHSA-jrp2-p3px-f5p5",
  "modified": "2026-09-13T00:31:20Z",
  "published": "2026-09-13T00:31:20Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-90651"
    },
    {
      "type": "WEB",
      "url": "https://docs.socket.dev/docs/registry-mode-configuration-reference"
    },
    {
      "type": "WEB",
      "url": "https://github.com/SocketDev/socket-registry-firewall/releases/tag/v2.0.0"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:H/A:L",
      "type": "CVSS_V3"
    }
  ]
}

Sightings

Author	Source	Type	Date	Other

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Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
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Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

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CVE-2026-90651 (GCVE-0-2026-90651)

FKIE_CVE-2026-90651

GHSA-JRP2-P3PX-F5P5

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