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TI-2026-68334 Aliases CVE-2026-105690

Penpot keeps sessions valid after logout, so stolen tokens still work

Priority LOW 26CWE-613Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
High
Impact type
Security bypass
Confidentiality · integrity · availability
High · Low · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-613.

Summary

Penpot before 2.18.0 clears the browser's auth-token cookie at logout but does not revoke the matching server-side session (CWE-613). An attacker who has captured a session token can keep using it after the victim logs out, with the victim's access, until the session expires naturally.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Description from the CNA

Penpot is an open-source design and prototyping platform. Prior to 2.18.0, logout clears the browser's auth-token cookie without revoking the corresponding server-side session. A previously captured session token remains usable after the victim logs out and can continue to make authenticated requests with the victim's authority until natural expiration. This issue is fixed in version 2.18.0.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00218 12th percentileScored 2026-11-07
Fix Fixed penpot (penpot): 2.18.0

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
penpotpenpotbefore 2.18.02.18.0Patch availableCNA
  • penpot Vendorpenpot Affected before 2.18.0 Fixed in 2.18.0 Patch available CNA

Remediation

Upgrade Penpot to version 2.18.0, which fixes the issue. The sources list no fixed version for penpot other than 2.18.0.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

  • Fix · CNA penpot (penpot) Fixed in 2.18.0

Timeline

  1. 2026-10-06 Threatist record created from CVE-2026-105690

References

Other 3

  • TI-2026-68335 OS command injection in Penpot SVG exporter via fill color CVSS 3.1CRITICAL 9.9
  • TI-2026-32845 Penpot: Pre-authenticated account takeover via team-invitation token + prepare-register-profile CVSS 3.1CRITICAL 9.9
  • TI-2026-35172 Penpot: Stored XSS via comment content, innerHTML renders unsanitized HTML CVSS 3.1HIGH 8.7
  • TI-2026-33540 Penpot: MCP REPL server binds to 0.0.0.0 with unauthenticated /execute endpoint — RCE CVSS 3.1HIGH 8.8
  • TI-2026-14441 Missing authorization in Penpot CVSS 3.1HIGH 7.5
  • TI-2026-33541 Penpot: Authenticated SSRF in remote image import via create-file-media-object-from-url CVSS 3.1HIGH 7.7
See all 18 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences