CVE-2026-28740

Gitea versions up to and including 1.26.2 allow Git LFS object reuse to authorize private source objects for users who have repository access but lack Code-unit access.

CVSS v3 7.1 HIGH

7.1^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.8 / Impact : 4.7

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

References

Link	Resource
https://blog.gitea.com/release-of-1.26.3-and-1.26.4/
https://github.com/go-gitea/gitea/pull/38050
https://github.com/go-gitea/gitea/releases/tag/v1.26.3
https://github.com/go-gitea/gitea/security/advisories/GHSA-2m9v-5q2g-58vq

Configurations

No configuration.

History

25 Oct 2026, 15:10

Type	Values Removed	Values Added
Summary		(es) Las versiones de Gitea hasta e incluyendo la 1.26.2 permiten la reutilización de objetos Git LFS para autorizar objetos de origen privados para usuarios que tienen acceso al repositorio pero carecen de acceso a la unidad de código.

Information

Published : 2026-07-03 21:16

Updated : 2026-10-25 15:10

NVD link : CVE-2026-28740

Mitre link : CVE-2026-28740

CVE.ORG link : CVE-2026-28740

JSON object : View

Products Affected

No product.

CWE

CWE-639

Authorization Bypass Through User-Controlled Key

CWE-863

Incorrect Authorization

{"id": "CVE-2026-28740", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-28740", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-07-07T13:47:46.184675Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "88ee5874-cf24-4952-aea0-31affedb7ff2", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 7.1, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 4.7, "exploitabilityScore": 1.8}]}, "affected": [{"source": "88ee5874-cf24-4952-aea0-31affedb7ff2", "affectedData": [{"vendor": "Gitea", "product": "Gitea Open Source Git Server", "versions": [{"status": "affected", "version": "0", "versionType": "semver", "lessThanOrEqual": "1.26.2"}], "defaultStatus": "unaffected"}]}], "published": "2026-07-03T21:16:59.890", "references": [{"url": "https://blog.gitea.com/release-of-1.26.3-and-1.26.4/", "source": "88ee5874-cf24-4952-aea0-31affedb7ff2"}, {"url": "https://github.com/go-gitea/gitea/pull/38050", "source": "88ee5874-cf24-4952-aea0-31affedb7ff2"}, {"url": "https://github.com/go-gitea/gitea/releases/tag/v1.26.3", "source": "88ee5874-cf24-4952-aea0-31affedb7ff2"}, {"url": "https://github.com/go-gitea/gitea/security/advisories/GHSA-2m9v-5q2g-58vq", "source": "88ee5874-cf24-4952-aea0-31affedb7ff2"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Secondary", "source": "88ee5874-cf24-4952-aea0-31affedb7ff2", "description": [{"lang": "en", "value": "CWE-639"}, {"lang": "en", "value": "CWE-863"}]}], "descriptions": [{"lang": "en", "value": "Gitea versions up to and including 1.26.2 allow Git LFS object reuse to authorize private source objects for users who have repository access but lack Code-unit access."}, {"lang": "es", "value": "Las versiones de Gitea hasta e incluyendo la 1.26.2 permiten la reutilizaci\u00f3n de objetos Git LFS para autorizar objetos de origen privados para usuarios que tienen acceso al repositorio pero carecen de acceso a la unidad de c\u00f3digo."}], "lastModified": "2026-10-25T15:10:00.147", "sourceIdentifier": "88ee5874-cf24-4952-aea0-31affedb7ff2"}