CVE Watch14 oct 2026

CVE-2026-78433

Gitea's web attachment handler skips its cross-repository ownership check for attachments created before 16 January 2026 and checks permissi

CVSS

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Sin CVSS

EPSS

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KEV

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Exploit Today

0-100

Publicado: 14 oct 2026 · Última mod.: 14 oct 2026 · CWE-284 · CWE-639 · CWE-863

EPSS · 30d

Sin historial EPSS suficiente todavía.

Descripción técnica

Gitea's web attachment handler skips its cross-repository ownership check for attachments created before 16 January 2026 and checks permissions against the repository named in the request URL instead. An unauthenticated attacker who knows a private attachment's UUID can request it through a public repository's attachment path and retrieve its contents. This can expose issue and pull request attachments or release assets; the random attachment UUID must already be known to the attacker.

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