{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-70406",
        "assignerOrgId": "88ee5874-cf24-4952-aea0-31affedb7ff2",
        "state": "PUBLISHED",
        "assignerShortName": "Gitea",
        "dateReserved": "2026-08-13T16:50:58.706Z",
        "datePublished": "2026-10-14T14:36:53.729Z",
        "dateUpdated": "2026-10-14T15:03:17.796Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "88ee5874-cf24-4952-aea0-31affedb7ff2",
                "shortName": "Gitea",
                "dateUpdated": "2026-10-14T14:36:53.729Z"
            },
            "title": "Gitea private comparison disclosure with public-only tokens",
            "descriptions": [
                {
                    "lang": "en",
                    "value": "Gitea's shared comparison helper omits the token repository-access check used when updating pull requests. A public-only token with read:repository scope can route a comparison or pull request creation through a public base repository and retrieve commit history and diffs from a private head repository accessible to the token owner. This bypasses the token's public-only restriction; it does not remove the account's underlying repository permission checks."
                }
            ],
            "affected": [
                {
                    "vendor": "Gitea",
                    "product": "Gitea",
                    "packageName": "code.gitea.io/gitea",
                    "defaultStatus": "unaffected",
                    "versions": [
                        {
                            "version": "0",
                            "status": "affected",
                            "lessThanOrEqual": "1.27.2",
                            "versionType": "semver"
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://github.com/go-gitea/gitea/security/advisories/GHSA-m78w-jjjx-gp8r",
                    "name": "GitHub Security Advisory GHSA-m78w-jjjx-gp8r",
                    "tags": [
                        "vendor-advisory"
                    ]
                },
                {
                    "url": "https://blog.gitea.com/release-of-1.27.3/",
                    "name": "Gitea 1.27.3 release announcement",
                    "tags": [
                        "release-notes"
                    ]
                },
                {
                    "url": "https://github.com/go-gitea/gitea/pull/39006",
                    "name": "Fix: go-gitea/gitea pull request #39006",
                    "tags": [
                        "patch"
                    ]
                },
                {
                    "url": "https://github.com/go-gitea/gitea/pull/39013",
                    "name": "Fix: go-gitea/gitea pull request #39013",
                    "tags": [
                        "patch"
                    ]
                },
                {
                    "url": "https://github.com/go-gitea/gitea/releases/tag/v1.27.3",
                    "name": "go-gitea/gitea v1.27.3 release",
                    "tags": [
                        "release-notes"
                    ]
                }
            ],
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "lang": "en",
                            "type": "CWE",
                            "cweId": "CWE-863",
                            "description": "CWE-863: Incorrect Authorization"
                        }
                    ]
                }
            ],
            "credits": [
                {
                    "lang": "en",
                    "value": "https://github.com/qw3rtyou",
                    "type": "reporter"
                },
                {
                    "lang": "en",
                    "value": "https://github.com/bircni",
                    "type": "remediation developer"
                },
                {
                    "lang": "en",
                    "value": "https://github.com/ohxorud-dev",
                    "type": "reporter"
                }
            ]
        },
        "adp": [
            {
                "metrics": [
                    {
                        "cvssV3_1": {
                            "scope": "UNCHANGED",
                            "version": "3.1",
                            "baseScore": 6.5,
                            "attackVector": "NETWORK",
                            "baseSeverity": "MEDIUM",
                            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
                            "integrityImpact": "NONE",
                            "userInteraction": "NONE",
                            "attackComplexity": "LOW",
                            "availabilityImpact": "NONE",
                            "privilegesRequired": "LOW",
                            "confidentialityImpact": "HIGH"
                        }
                    },
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "id": "CVE-2026-70406",
                                "role": "CISA Coordinator",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "no"
                                    },
                                    {
                                        "Technical Impact": "partial"
                                    }
                                ],
                                "version": "2.0.3",
                                "timestamp": "2026-10-14T14:54:29.357945Z"
                            }
                        }
                    }
                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
                    "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
                    "shortName": "CISA-ADP",
                    "dateUpdated": "2026-10-14T15:03:17.796Z"
                }
            }
        ]
    }
}