Vulnerability-Lookup

GHSA-63CQ-34VQ-4F48

Vulnerability from github – Published: 2026-09-27 21:31 – Updated: 2026-09-27 21:31

Details

Obot versions before v0.23.0 fail to enforce authentication on MCP Registry endpoints under /v0.1/* when registry authentication is enabled. Unauthenticated attackers can read registry metadata including server names, descriptions, repository URLs, and connect URLs by sending GET requests to /v0.1/servers.

Severity

5.3 (Medium)


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

6.9 (Medium)


                  
                    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N

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JSON

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{
  "affected": [],
  "aliases": [
    "CVE-2026-101063"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-862"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-09-27T21:17:01Z",
    "severity": "MODERATE"
  },
  "details": "Obot versions before v0.23.0 fail to enforce authentication on MCP Registry endpoints under /v0.1/* when registry authentication is enabled. Unauthenticated attackers can read registry metadata including server names, descriptions, repository URLs, and connect URLs by sending GET requests to /v0.1/servers.",
  "id": "GHSA-63cq-34vq-4f48",
  "modified": "2026-09-27T21:31:03Z",
  "published": "2026-09-27T21:31:03Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/obot-platform/obot/security/advisories/GHSA-pr6h-vr44-xq8j"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-101063"
    },
    {
      "type": "WEB",
      "url": "https://www.vulncheck.com/advisories/obot-before-0.23.0-authentication-bypass-via-registry-api"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
      "type": "CVSS_V4"
    }
  ]
}

CVE-2026-101063 (GCVE-0-2026-101063)

Vulnerability from cvelistv5 – Published: 2026-09-27 20:49 – Updated: 2026-09-28 13:49

Title

Obot before v0.23.0 Authentication Bypass via Registry API

Summary

Severity

6.9 (Medium)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N

5.3 (Medium)


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

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-09-28 13:49 UTC

CWE

CWE-862 - Missing Authorization

Assigner

VulnCheck mitre root Scorecard

References

2 references

URL	Tags
https://github.com/obot-platform/obot/security/ad…	vendor-advisory
https://www.vulncheck.com/advisories/obot-before-…	third-party-advisory

Impacted products

1 product

Vendor	Product	Version
obot-platform	obot	Affected: 0 , < 0.23.0 (semver) Unaffected: 0.23.0 (semver)

Date Public

2026-06-22 00:00

Credits

hewei-gikaku

Show details on NVD website

JSON

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{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-101063",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
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                "role": "CISA Coordinator",
                "timestamp": "2026-09-28T13:49:12.307977Z",
                "version": "2.0.3"
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        },
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    "cna": {
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          "packageURL": "pkg:golang/github.com/obot-platform/obot",
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              "status": "affected",
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            }
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          "lang": "en",
          "type": "reporter",
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          "lang": "en",
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      "metrics": [
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            "attackVector": "NETWORK",
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            "privilegesRequired": "NONE",
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            "subConfidentialityImpact": "NONE",
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            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
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      "references": [
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          "name": "GitHub Security Advisory (GHSA-pr6h-vr44-xq8j)",
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          ],
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        },
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          "tags": [
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          ],
          "url": "https://www.vulncheck.com/advisories/obot-before-0.23.0-authentication-bypass-via-registry-api"
        }
      ],
      "title": "Obot before v0.23.0 Authentication Bypass via Registry API",
      "x_generator": {
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  "cveMetadata": {
    "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
    "assignerShortName": "VulnCheck",
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    "dateReserved": "2026-09-27T16:38:56.428Z",
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Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
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.

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.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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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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GHSA-63CQ-34VQ-4F48

CVE-2026-101063 (GCVE-0-2026-101063)

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Sightings

Nomenclature

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