Vulnerability-Lookup

GHSA-5FQG-PFRH-8FJ8

Vulnerability from github – Published: 2026-10-30 12:31 – Updated: 2026-10-30 12:31

Details

Forgejo through 15.0.11, 16.0.0 through 16.0.7, and 17.0.0 through 17.0.1 contains an information disclosure vulnerability in the GetPublicKey API handler that lacks an ownership check on key lookups. Authenticated users with a read:user token or session can enumerate sequential key IDs to obtain titles, fingerprints and public key material of other users' SSH, deploy and principal keys.

Severity

4.3 (Medium)


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

5.3 (Medium)


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

Show details on source website

JSON

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{
  "affected": [],
  "aliases": [
    "CVE-2026-119547"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-639"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-10-30T12:16:40Z",
    "severity": "MODERATE"
  },
  "details": "Forgejo through 15.0.11, 16.0.0 through 16.0.7, and 17.0.0 through 17.0.1 contains an information disclosure vulnerability in the GetPublicKey API handler that lacks an ownership check on key lookups. Authenticated users with a read:user token or session can enumerate sequential key IDs to obtain titles, fingerprints and public key material of other users\u0027 SSH, deploy and principal keys.",
  "id": "GHSA-5fqg-pfrh-8fj8",
  "modified": "2026-10-30T12:31:20Z",
  "published": "2026-10-30T12:31:20Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-119547"
    },
    {
      "type": "WEB",
      "url": "https://abraxaslabs.tech/research/forgejo-keys-idor"
    },
    {
      "type": "WEB",
      "url": "https://codeberg.org/forgejo/forgejo"
    },
    {
      "type": "WEB",
      "url": "https://codeberg.org/forgejo/forgejo/src/tag/v17.0.1/models/asymkey/ssh_key.go#L139-L143"
    },
    {
      "type": "WEB",
      "url": "https://codeberg.org/forgejo/forgejo/src/tag/v17.0.1/routers/api/v1/user/key.go#L191"
    },
    {
      "type": "WEB",
      "url": "https://www.vulncheck.com/advisories/forgejo-through-15.0.11-16.0.7-and-17.0.1-information-disclosure-via-api-v1-user-keys-id"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/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-2026-119547 (GCVE-0-2026-119547)

Vulnerability from cvelistv5 – Published: 2026-10-30 11:31 – Updated: 2026-10-30 11:31

Title

Forgejo through 15.0.11, 16.0.7, and 17.0.1 Information Disclosure via /api/v1/user/keys/{id}

Summary

Severity

5.3 (Medium)


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

4.3 (Medium)


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

CWE

CWE-639 - Authorization Bypass Through User-Controlled Key

Assigner

VulnCheck CNA under the mitre root

CNA scorecard B 84/100 over 7155 records in the last 180 days details

References

5 references

URL	Tags
https://codeberg.org/forgejo/forgejo/src/tag/v17.…	technical-description
https://codeberg.org/forgejo/forgejo/src/tag/v17.…	technical-description
https://abraxaslabs.tech/research/forgejo-keys-idor	third-party-advisory
https://codeberg.org/forgejo/forgejo	product
https://www.vulncheck.com/advisories/forgejo-thro…	third-party-advisory

Impacted products

1 product

Vendor	Product	Version
forgejo	forgejo	Affected: 0 , ≤ 15.0.11 (semver) Affected: 16.0.0 , ≤ 16.0.7 (semver) Affected: 17.0.0 , ≤ 17.0.1 (semver) cpe:2.3:a:forgejo:forgejo:::::::: cpe:2.3:a:forgejo:forgejo:::::::: cpe:2.3:a:forgejo:forgejo::::::::

Date Public

2026-10-12 00:00

Credits

Abraxas Labs

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "forgejo",
          "repo": "https://codeberg.org/forgejo/forgejo",
          "vendor": "forgejo",
          "versions": [
            {
              "lessThanOrEqual": "15.0.11",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "16.0.7",
              "status": "affected",
              "version": "16.0.0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "17.0.1",
              "status": "affected",
              "version": "17.0.0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:a:forgejo:forgejo:*:*:*:*:*:*:*:*",
                  "versionEndIncluding": "15.0.11",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:a:forgejo:forgejo:*:*:*:*:*:*:*:*",
                  "versionEndIncluding": "16.0.7",
                  "versionStartIncluding": "16.0.0",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:a:forgejo:forgejo:*:*:*:*:*:*:*:*",
                  "versionEndIncluding": "17.0.1",
                  "versionStartIncluding": "17.0.0",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Abraxas Labs"
        }
      ],
      "datePublic": "2026-10-12T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
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        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "privilegesRequired": "LOW",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N",
            "version": "4.0",
            "vulnAvailabilityImpact": "NONE",
            "vulnConfidentialityImpact": "LOW",
            "vulnIntegrityImpact": "NONE"
          },
          "format": "CVSS"
        },
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 4.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N",
            "version": "3.1"
          },
          "format": "CVSS"
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      "problemTypes": [
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          "descriptions": [
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              "lang": "en",
              "type": "CWE"
            }
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        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-10-30T11:31:00.001Z",
        "orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
        "shortName": "VulnCheck"
      },
      "references": [
        {
          "tags": [
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          ],
          "url": "https://codeberg.org/forgejo/forgejo/src/tag/v17.0.1/routers/api/v1/user/key.go#L191"
        },
        {
          "tags": [
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          ],
          "url": "https://codeberg.org/forgejo/forgejo/src/tag/v17.0.1/models/asymkey/ssh_key.go#L139-L143"
        },
        {
          "tags": [
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          ],
          "url": "https://abraxaslabs.tech/research/forgejo-keys-idor"
        },
        {
          "tags": [
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          "url": "https://codeberg.org/forgejo/forgejo"
        },
        {
          "name": "VulnCheck Advisory: Forgejo through 15.0.11, 16.0.7, and 17.0.1 Information Disclosure via /api/v1/user/keys/{id}",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://www.vulncheck.com/advisories/forgejo-through-15.0.11-16.0.7-and-17.0.1-information-disclosure-via-api-v1-user-keys-id"
        }
      ],
      "title": "Forgejo through 15.0.11, 16.0.7, and 17.0.1 Information Disclosure via /api/v1/user/keys/{id}",
      "x_generator": {
        "engine": "vulncheck-endgame"
      }
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  },
  "cveMetadata": {
    "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
    "assignerShortName": "VulnCheck",
    "cveId": "CVE-2026-119547",
    "datePublished": "2026-10-30T11:31:00.001Z",
    "dateReserved": "2026-10-30T10:53:24.765Z",
    "dateUpdated": "2026-10-30T11:31:00.001Z",
    "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.

Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

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

Related by attack behaviour

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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