{ "document": { "aggregate_severity": { "namespace": "https://access.redhat.com/security/updates/classification/", "text": "Critical" }, "category": "csaf_vex", "csaf_version": "2.0", "distribution": { "text": "Copyright © Red Hat, Inc. All rights reserved.", "tlp": { "label": "WHITE", "url": "https://www.first.org/tlp/" } }, "lang": "en", "notes": [ { "category": "legal_disclaimer", "text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.", "title": "Terms of Use" } ], "publisher": { "category": "vendor", "contact_details": "https://access.redhat.com/security/team/contact/", "issuing_authority": "Red Hat Product Security is responsible for vulnerability handling across all Red Hat products and services.", "name": "Red Hat Product Security", "namespace": "https://www.redhat.com" }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-20912.json" } ], "title": "gitea: Gitea: Cross-Repository Authorization Bypass via Release Attachment Linking Leads to Private Attachment Disclosure", "tracking": { "current_release_date": "2026-06-28T07:17:14+00:00", "generator": { "date": "2026-06-28T07:17:14+00:00", "engine": { "name": "Red Hat SDEngine", "version": "5.2.6" } }, "id": "CVE-2026-20912", 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"default_component_of", "full_product_name": { "name": "openshift-pipelines/pipelines-pipelines-as-code-cli-rhel9 as a component of OpenShift Pipelines", "product_id": "openshift_pipelines:openshift-pipelines/pipelines-pipelines-as-code-cli-rhel9" }, "product_reference": "openshift-pipelines/pipelines-pipelines-as-code-cli-rhel9", "relates_to_product_reference": "openshift_pipelines" }, { "category": "default_component_of", "full_product_name": { "name": "openshift-pipelines/pipelines-pipelines-as-code-controller-rhel8 as a component of OpenShift Pipelines", "product_id": "openshift_pipelines:openshift-pipelines/pipelines-pipelines-as-code-controller-rhel8" }, "product_reference": "openshift-pipelines/pipelines-pipelines-as-code-controller-rhel8", "relates_to_product_reference": "openshift_pipelines" }, { "category": "default_component_of", "full_product_name": { "name": "openshift-pipelines/pipelines-pipelines-as-code-controller-rhel9 as a component of OpenShift Pipelines", "product_id": "openshift_pipelines:openshift-pipelines/pipelines-pipelines-as-code-controller-rhel9" }, "product_reference": "openshift-pipelines/pipelines-pipelines-as-code-controller-rhel9", "relates_to_product_reference": "openshift_pipelines" }, { "category": "default_component_of", "full_product_name": { "name": "openshift-pipelines/pipelines-pipelines-as-code-watcher-rhel8 as a component of OpenShift Pipelines", "product_id": "openshift_pipelines:openshift-pipelines/pipelines-pipelines-as-code-watcher-rhel8" }, "product_reference": "openshift-pipelines/pipelines-pipelines-as-code-watcher-rhel8", "relates_to_product_reference": "openshift_pipelines" }, { "category": "default_component_of", "full_product_name": { "name": "openshift-pipelines/pipelines-pipelines-as-code-watcher-rhel9 as a component of OpenShift Pipelines", "product_id": "openshift_pipelines:openshift-pipelines/pipelines-pipelines-as-code-watcher-rhel9" }, "product_reference": "openshift-pipelines/pipelines-pipelines-as-code-watcher-rhel9", "relates_to_product_reference": "openshift_pipelines" }, { "category": "default_component_of", "full_product_name": { "name": "openshift-pipelines/pipelines-pipelines-as-code-webhook-rhel8 as a component of OpenShift Pipelines", "product_id": "openshift_pipelines:openshift-pipelines/pipelines-pipelines-as-code-webhook-rhel8" }, "product_reference": "openshift-pipelines/pipelines-pipelines-as-code-webhook-rhel8", "relates_to_product_reference": "openshift_pipelines" }, { "category": "default_component_of", "full_product_name": { "name": "openshift-pipelines/pipelines-pipelines-as-code-webhook-rhel9 as a component of OpenShift Pipelines", "product_id": "openshift_pipelines:openshift-pipelines/pipelines-pipelines-as-code-webhook-rhel9" }, "product_reference": "openshift-pipelines/pipelines-pipelines-as-code-webhook-rhel9", "relates_to_product_reference": "openshift_pipelines" } ] }, "vulnerabilities": [ { "cve": "CVE-2026-20912", "cwe": { "id": "CWE-283", "name": "Unverified Ownership" }, "discovery_date": "2026-01-22T23:02:45.929483+00:00", "flags": [ { "label": "vulnerable_code_not_present", "product_ids": [ "openshift_pipelines:openshift-pipelines/pipelines-opc-rhel9", "openshift_pipelines:openshift-pipelines/pipelines-pipelines-as-code-cli-rhel8", "openshift_pipelines:openshift-pipelines/pipelines-pipelines-as-code-cli-rhel9", "openshift_pipelines:openshift-pipelines/pipelines-pipelines-as-code-controller-rhel8", "openshift_pipelines:openshift-pipelines/pipelines-pipelines-as-code-controller-rhel9", "openshift_pipelines:openshift-pipelines/pipelines-pipelines-as-code-watcher-rhel8", "openshift_pipelines:openshift-pipelines/pipelines-pipelines-as-code-watcher-rhel9", "openshift_pipelines:openshift-pipelines/pipelines-pipelines-as-code-webhook-rhel8", "openshift_pipelines:openshift-pipelines/pipelines-pipelines-as-code-webhook-rhel9" ] } ], "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "2432219" } ], "notes": [ { "category": "description", "text": "An access control flaw has been discovered in Gitea. Gitea does not properly validate repository ownership when linking attachments to releases. An attachment uploaded to a private repository could potentially be linked to a release in a different public repository, making it accessible to unauthorized users.", "title": "Vulnerability description" }, { "category": "summary", "text": "gitea: Gitea: Cross-Repository Authorization Bypass via Release Attachment Linking Leads to Private Attachment Disclosure", "title": "Vulnerability summary" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "known_not_affected": [ "openshift_pipelines:openshift-pipelines/pipelines-opc-rhel9", "openshift_pipelines:openshift-pipelines/pipelines-pipelines-as-code-cli-rhel8", "openshift_pipelines:openshift-pipelines/pipelines-pipelines-as-code-cli-rhel9", "openshift_pipelines:openshift-pipelines/pipelines-pipelines-as-code-controller-rhel8", "openshift_pipelines:openshift-pipelines/pipelines-pipelines-as-code-controller-rhel9", "openshift_pipelines:openshift-pipelines/pipelines-pipelines-as-code-watcher-rhel8", "openshift_pipelines:openshift-pipelines/pipelines-pipelines-as-code-watcher-rhel9", "openshift_pipelines:openshift-pipelines/pipelines-pipelines-as-code-webhook-rhel8", "openshift_pipelines:openshift-pipelines/pipelines-pipelines-as-code-webhook-rhel9" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://access.redhat.com/security/cve/CVE-2026-20912" }, { "category": "external", "summary": "RHBZ#2432219", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2432219" }, { "category": "external", "summary": "https://www.cve.org/CVERecord?id=CVE-2026-20912", "url": "https://www.cve.org/CVERecord?id=CVE-2026-20912" }, { "category": "external", "summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-20912", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-20912" }, { "category": "external", "summary": "https://blog.gitea.com/release-of-1.25.4/", "url": "https://blog.gitea.com/release-of-1.25.4/" }, { "category": "external", "summary": "https://github.com/go-gitea/gitea/pull/36320", "url": "https://github.com/go-gitea/gitea/pull/36320" }, { "category": "external", "summary": "https://github.com/go-gitea/gitea/pull/36355", "url": "https://github.com/go-gitea/gitea/pull/36355" }, { "category": "external", "summary": "https://github.com/go-gitea/gitea/releases/tag/v1.25.4", "url": "https://github.com/go-gitea/gitea/releases/tag/v1.25.4" }, { "category": "external", "summary": "https://github.com/go-gitea/gitea/security/advisories/GHSA-vfmv-f93v-37mw", "url": "https://github.com/go-gitea/gitea/security/advisories/GHSA-vfmv-f93v-37mw" } ], "release_date": "2026-01-22T22:01:52.026000+00:00", "scores": [ { "cvss_v3": { "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" }, "products": [ "openshift_pipelines:openshift-pipelines/pipelines-opc-rhel9", "openshift_pipelines:openshift-pipelines/pipelines-pipelines-as-code-cli-rhel8", "openshift_pipelines:openshift-pipelines/pipelines-pipelines-as-code-cli-rhel9", "openshift_pipelines:openshift-pipelines/pipelines-pipelines-as-code-controller-rhel8", "openshift_pipelines:openshift-pipelines/pipelines-pipelines-as-code-controller-rhel9", "openshift_pipelines:openshift-pipelines/pipelines-pipelines-as-code-watcher-rhel8", "openshift_pipelines:openshift-pipelines/pipelines-pipelines-as-code-watcher-rhel9", "openshift_pipelines:openshift-pipelines/pipelines-pipelines-as-code-webhook-rhel8", "openshift_pipelines:openshift-pipelines/pipelines-pipelines-as-code-webhook-rhel9" ] } ], "threats": [ { "category": "impact", "details": "Critical", "product_ids": [ "openshift_pipelines:openshift-pipelines/pipelines-opc-rhel9", "openshift_pipelines:openshift-pipelines/pipelines-pipelines-as-code-cli-rhel8", "openshift_pipelines:openshift-pipelines/pipelines-pipelines-as-code-cli-rhel9", "openshift_pipelines:openshift-pipelines/pipelines-pipelines-as-code-controller-rhel8", "openshift_pipelines:openshift-pipelines/pipelines-pipelines-as-code-controller-rhel9", "openshift_pipelines:openshift-pipelines/pipelines-pipelines-as-code-watcher-rhel8", "openshift_pipelines:openshift-pipelines/pipelines-pipelines-as-code-watcher-rhel9", "openshift_pipelines:openshift-pipelines/pipelines-pipelines-as-code-webhook-rhel8", "openshift_pipelines:openshift-pipelines/pipelines-pipelines-as-code-webhook-rhel9" ] } ], "title": "gitea: Gitea: Cross-Repository Authorization Bypass via Release Attachment Linking Leads to Private Attachment Disclosure" } ] }