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    CVE-2026-20736

    Gitea does not properly verify repository context when deleting attachments. A user who previously uploaded an attachment to a repository may be able to delete it after losing access to that repository by making the request through a different repository they can access.

    Published:Jan 22, 2026
    Last Modified:Apr 18, 2026
    EPS:Jan 22, 2026
    EPSS Score:0.00013
    CVSS Score:7.5

    Affected Products

    Vendor
    Gitea
    Product
    Gitea

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-284 Improper Access Control

    Related CVEs

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    CVE-2026-20912 (CVSS 9.1) — Gitea does not properly validate repository ownership when linking attachments to releases. An attachment uplo…
    CVE-2026-20904 (CVSS 6.5) — Gitea does not properly validate ownership when toggling OpenID URI visibility. An authenticated user may be a…
    CVE-2026-20888 (CVSS 4.3) — Gitea does not properly verify authorization when canceling scheduled auto-merges via the web interface. A use…
    CVE-2026-20897 (CVSS 9.1) — Gitea does not properly validate repository ownership when deleting Git LFS locks. A user with write access to…
    CVE-2026-20800 (CVSS 6.5) — Gitea's notification API does not re-validate repository access permissions when returning notification detail…
    CVE-2026-20883 (CVSS 6.5) — Gitea's stopwatch API does not re-validate repository access permissions. After a user's access to a private r…
    CVE-2026-0798 (CVSS 3.5) — Gitea may send release notification emails for private repositories to users whose access has been revoked. Wh…
    CVE-2026-20750 (CVSS 9.1) — Gitea does not properly validate project ownership in organization project operations. A user with project wri…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High