CVE-2026-20897

{"id": "CVE-2026-20897", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-20897", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2026-01-23T17:56:55.236953Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.1, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.2, "exploitabilityScore": 3.9}, {"type": "Secondary", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.1, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.2, "exploitabilityScore": 3.9}]}, "affected": [{"source": "88ee5874-cf24-4952-aea0-31affedb7ff2", "affectedData": [{"vendor": "Gitea", "product": "Gitea Open Source Git Server", "versions": [{"status": "affected", "version": "0", "versionType": "semver", "lessThanOrEqual": "1.25.3"}], "defaultStatus": "unaffected"}]}, {"source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c", "affectedData": [{"cpes": ["cpe:/a:redhat:openshift_pipelines:1"], "vendor": "Red Hat", "product": "OpenShift Pipelines", "packageName": "openshift-pipelines/pipelines-opc-rhel9", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "unaffected"}, {"cpes": ["cpe:/a:redhat:openshift_pipelines:1"], "vendor": "Red Hat", "product": "OpenShift Pipelines", "packageName": "openshift-pipelines/pipelines-pipelines-as-code-cli-rhel8", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "unaffected"}, {"cpes": ["cpe:/a:redhat:openshift_pipelines:1"], "vendor": "Red Hat", "product": "OpenShift Pipelines", "packageName": "openshift-pipelines/pipelines-pipelines-as-code-cli-rhel9", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "unaffected"}, {"cpes": ["cpe:/a:redhat:openshift_pipelines:1"], "vendor": "Red Hat", "product": "OpenShift Pipelines", "packageName": "openshift-pipelines/pipelines-pipelines-as-code-controller-rhel8", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "unaffected"}, {"cpes": ["cpe:/a:redhat:openshift_pipelines:1"], "vendor": "Red Hat", "product": "OpenShift Pipelines", "packageName": "openshift-pipelines/pipelines-pipelines-as-code-controller-rhel9", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "unaffected"}, {"cpes": ["cpe:/a:redhat:openshift_pipelines:1"], "vendor": "Red Hat", "product": "OpenShift Pipelines", "packageName": "openshift-pipelines/pipelines-pipelines-as-code-watcher-rhel8", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "unaffected"}, {"cpes": ["cpe:/a:redhat:openshift_pipelines:1"], "vendor": "Red Hat", "product": "OpenShift Pipelines", "packageName": "openshift-pipelines/pipelines-pipelines-as-code-watcher-rhel9", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "unaffected"}, {"cpes": ["cpe:/a:redhat:openshift_pipelines:1"], "vendor": "Red Hat", "product": "OpenShift Pipelines", "packageName": "openshift-pipelines/pipelines-pipelines-as-code-webhook-rhel8", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "unaffected"}, {"cpes": ["cpe:/a:redhat:openshift_pipelines:1"], "vendor": "Red Hat", "product": "OpenShift Pipelines", "packageName": "openshift-pipelines/pipelines-pipelines-as-code-webhook-rhel9", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "unaffected"}]}], "published": "2026-01-22T22:16:18.960", "references": [{"url": "https://blog.gitea.com/release-of-1.25.4/", "tags": ["Release Notes"], "source": "88ee5874-cf24-4952-aea0-31affedb7ff2"}, {"url": "https://github.com/go-gitea/gitea/pull/36344", "tags": ["Issue Tracking", "Patch"], "source": "88ee5874-cf24-4952-aea0-31affedb7ff2"}, {"url": "https://github.com/go-gitea/gitea/pull/36349", "tags": ["Issue Tracking", "Patch"], "source": "88ee5874-cf24-4952-aea0-31affedb7ff2"}, {"url": "https://github.com/go-gitea/gitea/releases/tag/v1.25.4", "tags": ["Release Notes"], "source": "88ee5874-cf24-4952-aea0-31affedb7ff2"}, {"url": "https://github.com/go-gitea/gitea/security/advisories/GHSA-rrq5-r9h5-pc7c", "tags": ["Broken Link"], "source": "88ee5874-cf24-4952-aea0-31affedb7ff2"}, {"url": "https://access.redhat.com/security/cve/CVE-2026-20897", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2432204", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-20897.json", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Secondary", "source": "88ee5874-cf24-4952-aea0-31affedb7ff2", "description": [{"lang": "en", "value": "CWE-284"}, {"lang": "en", "value": "CWE-639"}]}, {"type": "Secondary", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c", "description": [{"lang": "en", "value": "CWE-639"}]}], "descriptions": [{"lang": "en", "value": "Gitea does not properly validate repository ownership when deleting Git LFS locks. A user with write access to one repository may be able to delete LFS locks belonging to other repositories."}, {"lang": "es", "value": "Gitea no valida correctamente la propiedad del repositorio al eliminar bloqueos de Git LFS. Un usuario con acceso de escritura a un repositorio podr\u00eda eliminar bloqueos LFS pertenecientes a otros repositorios."}], "lastModified": "2026-07-15T02:18:24.600", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:gitea:gitea:*:*:*:*:*:-:*:*", "vulnerable": true, "matchCriteriaId": "DFCB7D74-331D-4582-AB41-113A25BE8FAA", "versionEndExcluding": "1.25.4"}], "operator": "OR"}]}], "sourceIdentifier": "88ee5874-cf24-4952-aea0-31affedb7ff2"}