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CVE-2026-59774 is a critical unauthenticated arbitrary file-read vulnerability in self-hosted Gitea affecting versions 1.22.1 through 1.27.0. The flaw is exposed through the markup rendering endpoint used by repositories and is reachable anonymously against public repositories. The root cause is Gitea's Org-mode renderer initialization, which used the go-org library with its default file-reading behavior intact. Org-mode include directives can reference absolute filesystem paths, and those paths were passed to the library's default ReadFile callback, causing server-side file contents to be read and rendered back to the requester. As a result, an attacker can submit crafted Org-mode markup to the rendering endpoint and retrieve arbitrary files readable by the Gitea service account. Although the issue is not itself direct one-request remote code execution, disclosure of sensitive configuration and secrets can enable follow-on compromise.
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No public exploit code observed for this vulnerability.
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Cross-references every affected SKU, including bundled OEM variants.
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