CVE-2026-20750

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A user with project write access in one organization may be able to modify projects belonging to a different organization."}, {"lang": "es", "value": "Gitea no valida correctamente la titularidad de los proyectos en las operaciones de proyectos de la organizaci\u00f3n. Un usuario con permisos de escritura en proyectos de una organizaci\u00f3n podr\u00eda modificar proyectos pertenecientes a una organizaci\u00f3n diferente."}], "id": "CVE-2026-20750", "lastModified": "2026-07-15T02:18:24.173", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 9.1, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.2, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 9.1, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.2, "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-20750", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-01-23T21:12:12.632348Z", "version": "2.0.3"}}]}, "published": "2026-01-22T22:16:17.370", "references": [{"source": "88ee5874-cf24-4952-aea0-31affedb7ff2", "tags": ["Release Notes"], "url": "https://blog.gitea.com/release-of-1.25.4/"}, {"source": "88ee5874-cf24-4952-aea0-31affedb7ff2", "tags": ["Issue Tracking", "Patch"], "url": "https://github.com/go-gitea/gitea/pull/36318"}, {"source": "88ee5874-cf24-4952-aea0-31affedb7ff2", "tags": ["Issue Tracking", "Patch"], "url": "https://github.com/go-gitea/gitea/pull/36373"}, {"source": "88ee5874-cf24-4952-aea0-31affedb7ff2", "tags": ["Release Notes"], "url": "https://github.com/go-gitea/gitea/releases/tag/v1.25.4"}, {"source": "88ee5874-cf24-4952-aea0-31affedb7ff2", "tags": ["Broken Link"], "url": "https://github.com/go-gitea/gitea/security/advisories/GHSA-h4fh-pc4w-8w27"}, {"source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c", "url": "https://access.redhat.com/security/cve/CVE-2026-20750"}, {"source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2432216"}, {"source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c", "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-20750.json"}], "sourceIdentifier": "88ee5874-cf24-4952-aea0-31affedb7ff2", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-284"}], "source": "88ee5874-cf24-4952-aea0-31affedb7ff2", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-284"}], "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c", "type": "Secondary"}]}

{"bugzilla": {"description": "gitea: Gitea Organization Projects Cross-Organization Authorization Bypass via Project ID (IDOR)", "id": "2432216", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2432216"}, "csaw": false, "cvss3": {"cvss3_base_score": "9.1", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N", "status": "draft"}, "cwe": "CWE-284", "details": ["Gitea does not properly validate project ownership in organization project operations. A user with project write access in one organization may be able to modify projects belonging to a different organization."], "mitigation": {"lang": "en:us", "value": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability."}, "name": "CVE-2026-20750", "package_state": [{"cpe": "cpe:/a:redhat:openshift_pipelines:1", "fix_state": "Not affected", "package_name": "openshift-pipelines/pipelines-opc-rhel9", "product_name": "OpenShift Pipelines"}, {"cpe": "cpe:/a:redhat:openshift_pipelines:1", "fix_state": "Not affected", "package_name": "openshift-pipelines/pipelines-pipelines-as-code-cli-rhel8", "product_name": "OpenShift Pipelines"}, {"cpe": "cpe:/a:redhat:openshift_pipelines:1", "fix_state": "Not affected", "package_name": "openshift-pipelines/pipelines-pipelines-as-code-cli-rhel9", "product_name": "OpenShift Pipelines"}, {"cpe": "cpe:/a:redhat:openshift_pipelines:1", "fix_state": "Not affected", "package_name": "openshift-pipelines/pipelines-pipelines-as-code-controller-rhel8", "product_name": "OpenShift Pipelines"}, {"cpe": "cpe:/a:redhat:openshift_pipelines:1", "fix_state": "Not affected", "package_name": "openshift-pipelines/pipelines-pipelines-as-code-controller-rhel9", "product_name": "OpenShift Pipelines"}, {"cpe": "cpe:/a:redhat:openshift_pipelines:1", "fix_state": "Not affected", "package_name": "openshift-pipelines/pipelines-pipelines-as-code-watcher-rhel8", "product_name": "OpenShift Pipelines"}, {"cpe": "cpe:/a:redhat:openshift_pipelines:1", "fix_state": "Not affected", "package_name": "openshift-pipelines/pipelines-pipelines-as-code-watcher-rhel9", "product_name": "OpenShift Pipelines"}, {"cpe": "cpe:/a:redhat:openshift_pipelines:1", "fix_state": "Not affected", "package_name": "openshift-pipelines/pipelines-pipelines-as-code-webhook-rhel8", "product_name": "OpenShift Pipelines"}, {"cpe": "cpe:/a:redhat:openshift_pipelines:1", "fix_state": "Not affected", "package_name": "openshift-pipelines/pipelines-pipelines-as-code-webhook-rhel9", "product_name": "OpenShift Pipelines"}], "public_date": "2026-01-22T22:01:49Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-20750\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-20750\nhttps://blog.gitea.com/release-of-1.25.4/\nhttps://github.com/go-gitea/gitea/pull/36318\nhttps://github.com/go-gitea/gitea/pull/36373\nhttps://github.com/go-gitea/gitea/releases/tag/v1.25.4\nhttps://github.com/go-gitea/gitea/security/advisories/GHSA-h4fh-pc4w-8w27"], "threat_severity": "Critical"}

{"analysis": {"en": {"generated_at": "2026-04-18T18:57:48.627453+00:00", "value": {"mitigation_remediation": ["Apply the Gitea 1.25.4 release or later to resolve the authorization bypass.", "Revoke or limit write permissions for users on organization projects until the patch is deployed.", "Verify that API requests to organization projects enforce ownership checks by testing and, if necessary, enable audit logging to detect unauthorized modifications."], "summary": {"action": "Immediate Patch", "impact": "Cross-organization project modification due to authorization bypass"}, "threat_synthesis": {"affected_systems": "The affected product is Gitea Open Source Git Server. Users running any version of Gitea before the security release that includes the fix are vulnerable. No specific version range is provided in the CNA data, but the fix is publicly available in the release notes for version 1.25.4.", "description_and_impact": "The vulnerability allows a user with write access to a project in one organization to alter projects belonging to another organization by exploiting insufficient ownership checks. This is a CWE-284 authorization flaw that results in unauthorized modification of configuration and metadata of foreign projects, compromising integrity and potentially confidentiality of project data.", "risk_and_exploitability": "The vulnerability carries a high severity CVSS score of 9.1 and a very low EPSS probability of less than 1%, indicating that while the risk to a system is significant, widespread exploitation is unlikely at present. The issue is not listed in the CISA KEV catalog. An attacker must already have project-level write permission in one organization; through the IDOR flaw, they can target another organization's projects by manipulating the project identifier in API requests."}}}}, "created": "2026-01-23T10:27:18.231723+00:00", "updated": "2026-04-18T19:00:08.045865+00:00", "vendors": ["gitea", "gitea$PRODUCT$gitea"]}