CVE-2026-58416

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{"bugzilla": {"description": "gitea.dev: Gitea: Information disclosure via Fork-PR Actions task", "id": "2515475", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2515475"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.5", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N", "status": "draft"}, "cwe": "CWE-1220", "details": ["Fork-PR Actions task can read a third private repository via the collaborative-owner branch (missing fork-PR guard)", "A flaw was found in Gitea. The Fork-PR Actions task, which handles pull requests from forked repositories, can be exploited to read data from a third private repository. This occurs due to a missing guard that should prevent unauthorized access via the collaborative-owner branch. A remote attacker could leverage this vulnerability to gain unauthorized access to sensitive information."], "mitigation": {"lang": "en:us", "value": "To mitigate this issue, repository administrators should disable Gitea Actions on affected repositories or restrict pull request workflows from fork repositories by configuring `RUN_WORKFLOWS_FROM_FORK_PULL_REQUESTS` to `false` in the Gitea configuration."}, "name": "CVE-2026-58416", "package_state": [{"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": "2026-08-13T16:44:46Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-58416\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-58416\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-fj8v-hjwv-qm88"], "statement": "A flaw was found in Gitea's Actions continuous integration runner logic for pull requests from forked repositories. Due to a missing permission boundary check on collaborative-owner branches, a Gitea Actions workflow triggered by a fork pull request can access unauthorized repository contexts. An authenticated remote user with write access to a fork can exploit this vulnerability to read sensitive data and configuration secrets from a third private repository accessible to the collaborative owner.", "threat_severity": "Moderate"}

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