CVE-2026-56654

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-56654", "assignerOrgId": "88ee5874-cf24-4952-aea0-31affedb7ff2", "state": "PUBLISHED", "assignerShortName": "Gitea", "dateReserved": "2026-07-08T09:19:07.998Z", "datePublished": "2026-08-13T16:44:42.890Z", "dateUpdated": "2026-08-14T19:19:59.583Z"}, "containers": {"cna": {"title": "Privilege Escalation via Access Token Scope Escalation in API", "descriptions": [{"lang": "en", "value": "Privilege Escalation via Access Token Scope Escalation in API"}], "affected": [{"vendor": "Gitea", "product": "Gitea Open Source Git Server", "versions": [{"version": "0", "lessThanOrEqual": "1.26.4", "status": "affected", "versionType": "semver"}], "defaultStatus": "unaffected"}], "problemTypes": [{"descriptions": [{"cweId": "CWE-284", "description": "CWE-284", "lang": "en", "type": "CWE"}]}], "references": [{"url": "https://github.com/go-gitea/gitea/security/advisories/GHSA-683j-3ff6-hh2x", "name": "GitHub Security Advisory", "tags": ["vendor-advisory"]}, {"url": "https://github.com/go-gitea/gitea/releases/tag/v1.27.0", "name": "Gitea v1.27.0 Release", "tags": ["release-notes"]}, {"url": "https://blog.gitea.com/gitea-1.27.0-is-released/", "name": "Gitea v1.27.0 Release Blog Post", "tags": ["release-notes"]}], "providerMetadata": {"orgId": "88ee5874-cf24-4952-aea0-31affedb7ff2", "shortName": "Gitea", "dateUpdated": "2026-08-13T16:44:42.890Z"}, "credits": [{"lang": "en", "value": "AdamKorcz", "type": "reporter"}, {"lang": "en", "value": "ohxorud-dev", "type": "reporter"}], "x_generator": {"engine": "cvelib 1.8.0"}}, "adp": [{"references": [{"url": "https://github.com/go-gitea/gitea/security/advisories/GHSA-683j-3ff6-hh2x", "tags": ["exploit"]}], "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"timestamp": "2026-08-14T19:19:05.813155Z", "id": "CVE-2026-56654", "options": [{"Exploitation": "poc"}, {"Automatable": "yes"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-08-14T19:19:59.583Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"id": "CVE-2026-56654", "role": "CISA Coordinator", "options": [{"Exploitation": "poc"}, {"Automatable": "yes"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-08-14T19:19:05.813155Z"}}}], "references": [{"url": "https://github.com/go-gitea/gitea/security/advisories/GHSA-683j-3ff6-hh2x", "tags": ["exploit"]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-08-14T19:19:50.939Z"}}], "cna": {"title": "Privilege Escalation via Access Token Scope Escalation in API", "credits": [{"lang": "en", "type": "reporter", "value": "AdamKorcz"}, {"lang": "en", "type": "reporter", "value": "ohxorud-dev"}], "affected": [{"vendor": "Gitea", "product": "Gitea Open Source Git Server", "versions": [{"status": "affected", "version": "0", "versionType": "semver", "lessThanOrEqual": "1.26.4"}], "defaultStatus": "unaffected"}], "references": [{"url": "https://github.com/go-gitea/gitea/security/advisories/GHSA-683j-3ff6-hh2x", "name": "GitHub Security Advisory", "tags": ["vendor-advisory"]}, {"url": "https://github.com/go-gitea/gitea/releases/tag/v1.27.0", "name": "Gitea v1.27.0 Release", "tags": ["release-notes"]}, {"url": "https://blog.gitea.com/gitea-1.27.0-is-released/", "name": "Gitea v1.27.0 Release Blog Post", "tags": ["release-notes"]}], "x_generator": {"engine": "cvelib 1.8.0"}, "descriptions": [{"lang": "en", "value": "Privilege Escalation via Access Token Scope Escalation in API"}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-284", "description": "CWE-284"}]}], "providerMetadata": {"orgId": "88ee5874-cf24-4952-aea0-31affedb7ff2", "shortName": "Gitea", "dateUpdated": "2026-08-13T16:44:42.890Z"}}}, "cveMetadata": {"cveId": "CVE-2026-56654", "state": "PUBLISHED", "dateUpdated": "2026-08-14T19:19:59.583Z", "dateReserved": "2026-07-08T09:19:07.998Z", "assignerOrgId": "88ee5874-cf24-4952-aea0-31affedb7ff2", "datePublished": "2026-08-13T16:44:42.890Z", "assignerShortName": "Gitea"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Gitea Open Source Git Server", "vendor": "Gitea", "versions": [{"lessThanOrEqual": "1.26.4", "status": "affected", "version": "0", "versionType": "semver"}]}], "source": "88ee5874-cf24-4952-aea0-31affedb7ff2"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Privilege Escalation via Access Token Scope Escalation in API"}], "id": "CVE-2026-56654", "lastModified": "2026-08-26T16:53:48.300", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "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:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-56654", "options": [{"exploitation": "poc"}, {"automatable": "yes"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-08-14T19:19:05.813155Z", "version": "2.0.3"}}]}, "published": "2026-08-13T17:17:25.360", "references": [{"source": "88ee5874-cf24-4952-aea0-31affedb7ff2", "url": "https://blog.gitea.com/gitea-1.27.0-is-released/"}, {"source": "88ee5874-cf24-4952-aea0-31affedb7ff2", "url": "https://github.com/go-gitea/gitea/releases/tag/v1.27.0"}, {"source": "88ee5874-cf24-4952-aea0-31affedb7ff2", "url": "https://github.com/go-gitea/gitea/security/advisories/GHSA-683j-3ff6-hh2x"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "url": "https://github.com/go-gitea/gitea/security/advisories/GHSA-683j-3ff6-hh2x"}], "sourceIdentifier": "88ee5874-cf24-4952-aea0-31affedb7ff2", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-284"}], "source": "88ee5874-cf24-4952-aea0-31affedb7ff2", "type": "Secondary"}]}

{"bugzilla": {"description": "code.gitea.io/gitea: Gitea: Privilege Escalation via API Access Token Scope Escalation", "id": "2515464", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2515464"}, "csaw": false, "cvss3": {"cvss3_base_score": "8.8", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-266", "details": ["Privilege Escalation via Access Token Scope Escalation in API", "A flaw was found in Gitea. This vulnerability allows an attacker to escalate their privileges by manipulating the scope of an access token within the API. This means an attacker could gain unauthorized access to sensitive functions or data, potentially leading to full control over affected resources."], "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-2026-56654", "package_state": [{"cpe": "cpe:/a:redhat:openshift_pipelines:1", "fix_state": "Affected", "package_name": "openshift-pipelines-client", "product_name": "OpenShift Pipelines"}, {"cpe": "cpe:/a:redhat:openshift_pipelines:1", "fix_state": "Affected", "package_name": "openshift-pipelines/pipelines-cli-tkn-rhel9", "product_name": "OpenShift Pipelines"}, {"cpe": "cpe:/a:redhat:openshift_pipelines:1", "fix_state": "Affected", "package_name": "openshift-pipelines/pipelines-opc-rhel9", "product_name": "OpenShift Pipelines"}, {"cpe": "cpe:/a:redhat:openshift_pipelines:1", "fix_state": "Affected", "package_name": "openshift-pipelines/pipelines-pipelines-as-code-cli-rhel9", "product_name": "OpenShift Pipelines"}, {"cpe": "cpe:/a:redhat:openshift_pipelines:1", "fix_state": "Affected", "package_name": "openshift-pipelines/pipelines-pipelines-as-code-controller-rhel9", "product_name": "OpenShift Pipelines"}, {"cpe": "cpe:/a:redhat:openshift_pipelines:1", "fix_state": "Affected", "package_name": "openshift-pipelines/pipelines-pipelines-as-code-watcher-rhel9", "product_name": "OpenShift Pipelines"}], "public_date": "2026-08-13T16:44:42Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-56654\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-56654\nhttps://blog.gitea.com/gitea-1.27.0-is-released/\nhttps://github.com/go-gitea/gitea/releases/tag/v1.27.0\nhttps://github.com/go-gitea/gitea/security/advisories/GHSA-683j-3ff6-hh2x"], "statement": "Important: An authenticated attacker with a limited-scope API token in Gitea could escalate their privileges. This is due to a flaw in how Gitea's API processes basic authentication with tokens, allowing the creation of new tokens with elevated scopes beyond the original token's permissions. Red Hat OpenShift Pipelines does not deploy Gitea web servers.", "threat_severity": "Important"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,1.26.4]"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "Gitea Open Source Git Server", "source": "cna", "vendor": "Gitea"}, "product": "gitea_open_source_git_server", "vendor": "gitea"}], "created": "2026-08-13T19:00:12.864998+00:00", "updated": "2026-08-22T09:45:04.232707+00:00", "vendors": ["gitea", "gitea$PRODUCT$gitea_open_source_git_server"]}