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CVE-2026-66756 is an improper protection of alternate path vulnerability in Apache Tika's tika-server component, affecting versions from 4.0.0-alpha-1 before 4.0.0-beta-1. The issue is associated with the unpack endpoint and is described as allowing operation under a configuration involving unsecureFeatures=false, indicating that path handling or archive extraction protections can be bypassed through alternate path semantics. The available information does not identify the exact vulnerable function or code path, but the flaw falls into the class of alternate path handling weaknesses in which security checks can be circumvented by crafted path representations during unpacking or extraction workflows.
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No public exploit code observed for this vulnerability.
3 sources tracked across advisories and community write-ups. News coverage will land here when it surfaces.
No news coverage yet. Advisories and community discussion only.
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Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.