Penpot: IDOR in Share-Link Deletion Allows Any File Editor to Delete Share-Links They Did Not Create

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-105692
StatePUBLISHED
AssignerGitHub_M
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-10-05 20:17:19 UTC
Updated2026-10-05 20:17:19 UTC
DescriptionPenpot is an open-source design and prototyping platform. Prior to 2.18.0, the delete-share-link RPC retrieves a caller-selected share-link ID and verifies only that the caller can edit the parent file. It does not verify that the caller created the share link or has owner or administrator authority, allowing any file editor who knows a share-link UUID to delete links created by other users and revoke external reviewers' access. This issue is fixed in version 2.18.0.

Risk And Classification

Primary CVSS: v3.1 5.4 MEDIUM from [email protected]

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L

Problem Types: CWE-284 | CWE-639 | CWE-284 CWE-284: Improper Access Control | CWE-639 CWE-639: Authorization Bypass Through User-Controlled Key

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary5.4MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
3.1CNADECLARED5.4MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
Low

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Penpot Penpot affected < 2.18.0 Not specified

References

ReferenceSourceLinkTags
github.com/penpot/penpot/releases/tag/2.18.0 [email protected] github.com
github.com/penpot/penpot/pull/11290 [email protected] github.com
github.com/penpot/penpot/commit/209aea83658f209c4189b531eeda0f3a638a0294 [email protected] github.com
github.com/penpot/penpot/security/advisories/GHSA-8257-pm4f-cfhq [email protected] github.com
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