Vulnerability-Lookup

GHSA-VV3H-7QWR-722V

Vulnerability from github – Published: 2026-03-11 15:33 – Updated: 2026-03-24 21:11

Summary

Anytype Heart's gRPC API client challenge verification can be bypassed on localhost

Details

Impact

The challenge-based authentication for the local gRPC client API can be bypassed, allowing an attacker to gain access without the 4-digit code.

Affected components: - Anytype Desktop (all platforms) ≤ v0.48.2 - Anytype-CLI (headless deployments) ≤ v0.1.9

Not affected: - Anytype mobile apps (iOS, Android) - do not expose a local gRPC server

Who is impacted: This vulnerability is scoped to localhost. The gRPC and gRPC-Web ports bind to 127.0.0.1 only and are not exposed to the local network or internet.

Exploitation requires:

Local user-level access to the machine running Anytype
Discovery of the randomized listening port
A running Anytype instance

Anytype-CLI headless deployments may be at higher risk only if an administrator has chosen to set up their own reverse proxy and configured it in a way that exposes gRPC or gRPC-Web ports to an external network. By default, these ports are not externally accessible and there is no built-in mechanism to expose them.

Patches

anytype-heart library: v0.48.4
Anytype Desktop: v0.54.5
Anytype-CLI: v0.1.11

Workarounds

Desktop users: No immediate action required. The vulnerability requires existing local access to the machine.
Anytype-CLI administrators: If using a custom reverse proxy, ensure it does not expose gRPC or gRPC-Web ports to external networks.

Severity

3.6 (Low)


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

Show details on source website

JSON

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{
  "affected": [
    {
      "package": {
        "ecosystem": "Go",
        "name": "github.com/anyproto/anytype-heart"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.48.4"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Go",
        "name": "github.com/anyproto/anytype-cli"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.1.11"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2026-31863"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-307"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-03-11T15:33:29Z",
    "nvd_published_at": "2026-03-11T18:16:25Z",
    "severity": "LOW"
  },
  "details": "#### Impact\nThe challenge-based authentication for the local gRPC client API can be bypassed, allowing an attacker to gain access without the 4-digit code.\n\nAffected components:\n- Anytype Desktop (all platforms) \u2264 v0.48.2\n- Anytype-CLI (headless deployments) \u2264 v0.1.9\n\nNot affected:\n- Anytype mobile apps (iOS, Android) - do not expose a local gRPC server\n\nWho is impacted:\nThis vulnerability is scoped to localhost. The gRPC and gRPC-Web ports bind to 127.0.0.1 only and are not exposed to the local network or internet.\n\n### Exploitation requires:\n- Local user-level access to the machine running Anytype\n- Discovery of the randomized listening port\n- A running Anytype instance\n\nAnytype-CLI headless deployments may be at higher risk only if an administrator has chosen to set up their own reverse proxy and configured it in a way that\nexposes gRPC or gRPC-Web ports to an external network. **By default, these ports are not externally accessible and there is no built-in mechanism to expose them.**\n\n#### Patches\n- anytype-heart library: v0.48.4\n- [Anytype Desktop](https://github.com/anyproto/anytype-ts): v0.54.5\n- [Anytype-CLI](https://github.com/anyproto/anytype-cli): v0.1.11\n\n#### Workarounds\n- Desktop users: No immediate action required. The vulnerability requires existing local access to the machine.\n- Anytype-CLI administrators: If using a custom reverse proxy, ensure it does not expose gRPC or gRPC-Web ports to external networks.",
  "id": "GHSA-vv3h-7qwr-722v",
  "modified": "2026-03-24T21:11:53Z",
  "published": "2026-03-11T15:33:29Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/anyproto/anytype-heart/security/advisories/GHSA-vv3h-7qwr-722v"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-31863"
    },
    {
      "type": "WEB",
      "url": "https://github.com/anyproto/anytype-cli"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/anyproto/anytype-heart"
    },
    {
      "type": "WEB",
      "url": "https://github.com/anyproto/anytype-ts"
    },
    {
      "type": "WEB",
      "url": "https://pkg.go.dev/vuln/GO-2026-4680"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Anytype Heart\u0027s gRPC API client challenge verification can be bypassed on localhost"
}

CVE-2026-31863 (GCVE-0-2026-31863)

Vulnerability from cvelistv5 – Published: 2026-03-11 17:43 – Updated: 2026-03-12 13:52

Title

Improper Restriction of Excessive Authentication Attempts in github.com/anyproto/anytype-heart

Summary

Anytype Heart is the middleware library for Anytype. The challenge-based authentication for the local gRPC client API can be bypassed, allowing an attacker to gain access without the 4-digit code. This vulnerability is fixed in anytype-heart 0.48.4, anytype-cli 0.1.11, and Anytype Desktop 0.54.5.

Severity

3.6 (Low)


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

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-03-12 13:52 UTC

CWE

CWE-307 - Improper Restriction of Excessive Authentication Attempts

Assigner

GitHub_M mitre root

References

1 reference

URL	Tags
https://github.com/anyproto/anytype-heart/securit…	x_refsource_CONFIRM

Impacted products

3 products

Vendor	Product	Version
anyproto	anytype-heart	Affected: < 0.48.4
anyproto	anytype-cli	Affected: < 0.1.11
anyproto	anytype-ts	Affected: < 0.54.5

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-31863",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-03-12T13:52:02.447723Z",
                "version": "2.0.3"
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        "providerMetadata": {
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          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
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          "product": "anytype-heart",
          "vendor": "anyproto",
          "versions": [
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        },
        {
          "product": "anytype-ts",
          "vendor": "anyproto",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c 0.54.5"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Anytype Heart is the middleware library for Anytype. The challenge-based authentication for the local gRPC client API can be bypassed, allowing an attacker to gain access without the 4-digit code. This vulnerability is fixed in anytype-heart 0.48.4, anytype-cli 0.1.11, and Anytype Desktop 0.54.5."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "HIGH",
            "attackVector": "LOCAL",
            "availabilityImpact": "NONE",
            "baseScore": 3.6,
            "baseSeverity": "LOW",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N",
            "version": "3.1"
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      "problemTypes": [
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      "source": {
        "advisory": "GHSA-vv3h-7qwr-722v",
        "discovery": "UNKNOWN"
      },
      "title": "Improper Restriction of Excessive Authentication Attempts in github.com/anyproto/anytype-heart"
    }
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  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
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    "datePublished": "2026-03-11T17:43:08.106Z",
    "dateReserved": "2026-03-09T19:02:25.013Z",
    "dateUpdated": "2026-03-12T13:52:12.763Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

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.

Detection rules are retrieved from Rulezet.

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.

Related by attack behaviour

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