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    CVE-2026-105695

    Penpot is an open-source design and prototyping platform. Prior to 2.18.0, assemble-chunks retrieves an upload session using only its session ID, while upload-chunk correctly scopes the lookup to the authenticated profile. An authenticated user who obtains another user's live, completed upload-session UUID can assemble the victim's chunks into the attacker's own file, team font, or project import, disclosing the uploaded bytes and deleting the victim's pending session. This issue is fixed in version 2.18.0.

    Published:Oct 5, 2026
    Last Modified:Oct 5, 2026
    EPS:Oct 5, 2026
    EPSS Score:
    CVSS Score:5.9

    Affected Products

    Vendor
    Penpot
    Product
    Penpot

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-862 Missing Authorization

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-665 Exploitation of Thunderbolt Protection Flaws

    Related CVEs

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    CVE-2026-105690 (CVSS 5.9) — Penpot is an open-source design and prototyping platform. Prior to 2.18.0, logout clears the browser's auth-to…
    CVE-2026-105689 (CVSS 6) — Penpot is an open-source design and prototyping platform. Prior to 2.18.0, app.util.ssrf/blocked-address? reli…
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    CVE-2026-105687 (CVSS 4.9) — Penpot is an open-source design and prototyping platform. Prior to 2.18.0, the delete-team-member RPC allows a…
    CVE-2026-105686 (CVSS 5.3) — Penpot is an open-source design and prototyping platform. Prior to 2.18.0, the chunked media upload RPC valida…

    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