CVE-2026-97859 (GCVE-0-2026-97859)

Vulnerability from cvelistv5 – Published: 2026-10-18 19:01 – Updated: 2026-10-19 18:54
VLAI
Title
Gitea API disclosure of private user social graph, keys and stars
Summary
Seven Gitea API routes under `/api/v1/users/{username}` (followers, following, following/{target}, starred, subscriptions, keys and gpg_keys) were registered without the `individualPermsChecker` middleware that enforces the visibility of the target user. An authenticated user could therefore read the followers, following list, starred and watched repositories and public SSH and GPG keys of a user with limited or private visibility, whom they could not otherwise see. The issue was fixed in 1.27.3 and 28.0.0 and disclosed with 28.2.0.
Severity
6.5 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-19 18:54 UTC
CWE
Assigner
Gitea CNA under the mitre root
CNA scorecard C 61/100 over 165 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
Gitea Gitea Affected: 0 , ≤ 1.27.2 (semver)
guessed Create a notification for this product.
Credits
https://github.com/lukegranto23 https://github.com/KadirArslan https://github.com/DshtAnger https://github.com/DevNoScope https://github.com/gigioneggiando https://github.com/manus-pi https://github.com/bircni
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "NONE",
              "baseScore": 6.5,
              "baseSeverity": "MEDIUM",
              "confidentialityImpact": "HIGH",
              "integrityImpact": "NONE",
              "privilegesRequired": "LOW",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2026-97859",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-10-19T18:54:24.078740Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-10-19T18:54:32.163Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "packageName": "gitea.dev",
          "product": "Gitea",
          "vendor": "Gitea",
          "versions": [
            {
              "lessThanOrEqual": "1.27.2",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "reporter",
          "value": "https://github.com/lukegranto23"
        },
        {
          "lang": "en",
          "type": "reporter",
          "value": "https://github.com/KadirArslan"
        },
        {
          "lang": "en",
          "type": "reporter",
          "value": "https://github.com/DshtAnger"
        },
        {
          "lang": "en",
          "type": "reporter",
          "value": "https://github.com/DevNoScope"
        },
        {
          "lang": "en",
          "type": "reporter",
          "value": "https://github.com/gigioneggiando"
        },
        {
          "lang": "en",
          "type": "reporter",
          "value": "https://github.com/manus-pi"
        },
        {
          "lang": "en",
          "type": "remediation developer",
          "value": "https://github.com/bircni"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Seven Gitea API routes under `/api/v1/users/{username}` (followers, following, following/{target}, starred, subscriptions, keys and gpg_keys) were registered without the `individualPermsChecker` middleware that enforces the visibility of the target user. An authenticated user could therefore read the followers, following list, starred and watched repositories and public SSH and GPG keys of a user with limited or private visibility, whom they could not otherwise see. The issue was fixed in 1.27.3 and 28.0.0 and disclosed with 28.2.0."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-862",
              "description": "CWE-862: Missing Authorization",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-10-18T19:01:04.328Z",
        "orgId": "88ee5874-cf24-4952-aea0-31affedb7ff2",
        "shortName": "Gitea"
      },
      "references": [
        {
          "name": "GitHub Security Advisory GHSA-xvfh-qwmh-f92w",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://github.com/go-gitea/gitea/security/advisories/GHSA-xvfh-qwmh-f92w"
        },
        {
          "name": "Fix: go-gitea/gitea pull request #39004",
          "tags": [
            "patch"
          ],
          "url": "https://github.com/go-gitea/gitea/pull/39004"
        },
        {
          "name": "Fix backport to release/v1.27: go-gitea/gitea pull request #39039",
          "tags": [
            "patch"
          ],
          "url": "https://github.com/go-gitea/gitea/pull/39039"
        },
        {
          "name": "Gitea 28.2.0 release announcement",
          "tags": [
            "release-notes"
          ],
          "url": "https://blog.gitea.com/release-of-28.2.0/"
        },
        {
          "name": "go-gitea/gitea v28.2.0 release",
          "tags": [
            "release-notes"
          ],
          "url": "https://github.com/go-gitea/gitea/releases/tag/v28.2.0"
        }
      ],
      "title": "Gitea API disclosure of private user social graph, keys and stars"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "88ee5874-cf24-4952-aea0-31affedb7ff2",
    "assignerShortName": "Gitea",
    "cveId": "CVE-2026-97859",
    "datePublished": "2026-10-18T19:01:04.328Z",
    "dateReserved": "2026-10-04T22:02:04.898Z",
    "dateUpdated": "2026-10-19T18:54:32.163Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2026-97859",
      "date": "2026-10-19",
      "epss": "0.00162",
      "percentile": "0.0494"
    },
    "nvd": {
      "cve": {
        "affected": [
          {
            "affectedData": [
              {
                "defaultStatus": "unaffected",
                "packageName": "gitea.dev",
                "product": "Gitea",
                "vendor": "Gitea",
                "versions": [
                  {
                    "lessThanOrEqual": "1.27.2",
                    "status": "affected",
                    "version": "0",
                    "versionType": "semver"
                  }
                ]
              }
            ],
            "source": "88ee5874-cf24-4952-aea0-31affedb7ff2"
          }
        ],
        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "Seven Gitea API routes under `/api/v1/users/{username}` (followers, following, following/{target}, starred, subscriptions, keys and gpg_keys) were registered without the `individualPermsChecker` middleware that enforces the visibility of the target user. An authenticated user could therefore read the followers, following list, starred and watched repositories and public SSH and GPG keys of a user with limited or private visibility, whom they could not otherwise see. The issue was fixed in 1.27.3 and 28.0.0 and disclosed with 28.2.0."
          }
        ],
        "id": "CVE-2026-97859",
        "lastModified": "2026-10-19T20:52:16.127",
        "metrics": {
          "cvssMetricV31": [
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "NETWORK",
                "availabilityImpact": "NONE",
                "baseScore": 6.5,
                "baseSeverity": "MEDIUM",
                "confidentialityImpact": "HIGH",
                "integrityImpact": "NONE",
                "privilegesRequired": "LOW",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
                "version": "3.1"
              },
              "exploitabilityScore": 2.8,
              "impactScore": 3.6,
              "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "type": "Secondary"
            }
          ],
          "ssvcV203": [
            {
              "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "ssvcData": {
                "id": "CVE-2026-97859",
                "options": [
                  {
                    "exploitation": "none"
                  },
                  {
                    "automatable": "no"
                  },
                  {
                    "technicalImpact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-10-19T18:54:24.078740Z",
                "version": "2.0.3"
              }
            }
          ]
        },
        "published": "2026-10-18T19:16:33.637",
        "references": [
          {
            "source": "88ee5874-cf24-4952-aea0-31affedb7ff2",
            "url": "https://blog.gitea.com/release-of-28.2.0/"
          },
          {
            "source": "88ee5874-cf24-4952-aea0-31affedb7ff2",
            "url": "https://github.com/go-gitea/gitea/pull/39004"
          },
          {
            "source": "88ee5874-cf24-4952-aea0-31affedb7ff2",
            "url": "https://github.com/go-gitea/gitea/pull/39039"
          },
          {
            "source": "88ee5874-cf24-4952-aea0-31affedb7ff2",
            "url": "https://github.com/go-gitea/gitea/releases/tag/v28.2.0"
          },
          {
            "source": "88ee5874-cf24-4952-aea0-31affedb7ff2",
            "url": "https://github.com/go-gitea/gitea/security/advisories/GHSA-xvfh-qwmh-f92w"
          }
        ],
        "sourceIdentifier": "88ee5874-cf24-4952-aea0-31affedb7ff2",
        "vulnStatus": "Awaiting Analysis",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-862"
              }
            ],
            "source": "88ee5874-cf24-4952-aea0-31affedb7ff2",
            "type": "Secondary"
          }
        ]
      }
    },
    "vulnrichment": {
      "containers": {
        "adp": [
          {
            "metrics": [
              {
                "cvssV3_1": {
                  "attackComplexity": "LOW",
                  "attackVector": "NETWORK",
                  "availabilityImpact": "NONE",
                  "baseScore": 6.5,
                  "baseSeverity": "MEDIUM",
                  "confidentialityImpact": "HIGH",
                  "integrityImpact": "NONE",
                  "privilegesRequired": "LOW",
                  "scope": "UNCHANGED",
                  "userInteraction": "NONE",
                  "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
                  "version": "3.1"
                }
              },
              {
                "other": {
                  "content": {
                    "id": "CVE-2026-97859",
                    "options": [
                      {
                        "Exploitation": "none"
                      },
                      {
                        "Automatable": "no"
                      },
                      {
                        "Technical Impact": "partial"
                      }
                    ],
                    "role": "CISA Coordinator",
                    "timestamp": "2026-10-19T18:54:24.078740Z",
                    "version": "2.0.3"
                  },
                  "type": "ssvc"
                }
              }
            ],
            "providerMetadata": {
              "dateUpdated": "2026-10-19T18:54:19.227Z",
              "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "shortName": "CISA-ADP"
            },
            "title": "CISA ADP Vulnrichment"
          }
        ],
        "cna": {
          "affected": [
            {
              "defaultStatus": "unaffected",
              "packageName": "gitea.dev",
              "product": "Gitea",
              "vendor": "Gitea",
              "versions": [
                {
                  "lessThanOrEqual": "1.27.2",
                  "status": "affected",
                  "version": "0",
                  "versionType": "semver"
                }
              ]
            }
          ],
          "credits": [
            {
              "lang": "en",
              "type": "reporter",
              "value": "https://github.com/lukegranto23"
            },
            {
              "lang": "en",
              "type": "reporter",
              "value": "https://github.com/KadirArslan"
            },
            {
              "lang": "en",
              "type": "reporter",
              "value": "https://github.com/DshtAnger"
            },
            {
              "lang": "en",
              "type": "reporter",
              "value": "https://github.com/DevNoScope"
            },
            {
              "lang": "en",
              "type": "reporter",
              "value": "https://github.com/gigioneggiando"
            },
            {
              "lang": "en",
              "type": "reporter",
              "value": "https://github.com/manus-pi"
            },
            {
              "lang": "en",
              "type": "remediation developer",
              "value": "https://github.com/bircni"
            }
          ],
          "descriptions": [
            {
              "lang": "en",
              "value": "Seven Gitea API routes under `/api/v1/users/{username}` (followers, following, following/{target}, starred, subscriptions, keys and gpg_keys) were registered without the `individualPermsChecker` middleware that enforces the visibility of the target user. An authenticated user could therefore read the followers, following list, starred and watched repositories and public SSH and GPG keys of a user with limited or private visibility, whom they could not otherwise see. The issue was fixed in 1.27.3 and 28.0.0 and disclosed with 28.2.0."
            }
          ],
          "problemTypes": [
            {
              "descriptions": [
                {
                  "cweId": "CWE-862",
                  "description": "CWE-862: Missing Authorization",
                  "lang": "en",
                  "type": "CWE"
                }
              ]
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2026-10-18T19:01:04.328Z",
            "orgId": "88ee5874-cf24-4952-aea0-31affedb7ff2",
            "shortName": "Gitea"
          },
          "references": [
            {
              "name": "GitHub Security Advisory GHSA-xvfh-qwmh-f92w",
              "tags": [
                "vendor-advisory"
              ],
              "url": "https://github.com/go-gitea/gitea/security/advisories/GHSA-xvfh-qwmh-f92w"
            },
            {
              "name": "Fix: go-gitea/gitea pull request #39004",
              "tags": [
                "patch"
              ],
              "url": "https://github.com/go-gitea/gitea/pull/39004"
            },
            {
              "name": "Fix backport to release/v1.27: go-gitea/gitea pull request #39039",
              "tags": [
                "patch"
              ],
              "url": "https://github.com/go-gitea/gitea/pull/39039"
            },
            {
              "name": "Gitea 28.2.0 release announcement",
              "tags": [
                "release-notes"
              ],
              "url": "https://blog.gitea.com/release-of-28.2.0/"
            },
            {
              "name": "go-gitea/gitea v28.2.0 release",
              "tags": [
                "release-notes"
              ],
              "url": "https://github.com/go-gitea/gitea/releases/tag/v28.2.0"
            }
          ],
          "title": "Gitea API disclosure of private user social graph, keys and stars"
        }
      },
      "cveMetadata": {
        "assignerOrgId": "88ee5874-cf24-4952-aea0-31affedb7ff2",
        "assignerShortName": "Gitea",
        "cveId": "CVE-2026-97859",
        "datePublished": "2026-10-18T19:01:04.328Z",
        "dateReserved": "2026-10-04T22:02:04.898Z",
        "dateUpdated": "2026-10-18T19:01:04.328Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Drag nodes to arrange them. Double-click a related vulnerability to open it, or a source to visit its link. The Physics button on the left tunes the layout and the simulation; the legend at the bottom left hides or shows nodes by kind and by sighting type.

Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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

JSON

Loading timeline…




    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.